2.Psychometric properties of self-report questionnaires in evaluating blended learning in health science university students: A systematic review
Valentin C. Dones III ; Maria Teresita B. Dalusong ; Donald G. Manlapaz ; Juan Alfonso S. Rojas ; Ma. Bianca Beatriz P. Ballesteros ; Ron Kevin S. Flores ; Kaela Celine C. Hor ; Jose Angelo D. Monreal ; Audrey Marie A. Narselles ; Jose Joaquin R. Reyes ; Lianna Andrea B. Sangatanan
Acta Medica Philippina 2025;59(Early Access 2025):1-14
BACKGROUND
Due to the COVID-19 outbreak, schools had to switch online. The sudden transition to blended teaching and learning (BTL) poses challenges for students and teachers, especially for health science programs that require hands-on practical experience. The validity, reliability, and responsiveness of these self-report questionnaires (SRQs) should be established to ensure the accuracy of the results as intended by the SRQ.
OBJECTIVESThis study critically appraised, compared, and summarized the psychometric properties of SRQ evaluating BTL among health science university students. This review determined the SRQ’s reliability, internal consistency, various forms of validity (content, criterion, construct), and responsiveness.
METHODSFollowing a 10-step procedure based on COSMIN guidelines, we conducted a systematic review of SRQs used by health science university students to evaluate blended teaching and learning. Studies were eligible if they reported psychometric properties of SRQs related to blended learning among university health science students; exclusions included studies focusing on perceptions, attitudes, self-efficacy, and satisfaction, as well as articles such as biographies, editorials, and conference materials. Searches covered multiple electronic databases until April 26, 2023, including PubMed, EMBASE, Web of Science, MEDLINE (OVID), PsycInfo, CINAHL, EBSCOHOST, ERIC, Scopus, Science Direct, Google Scholar, JSTOR, Acta Medica Philippina, Philippine Journal of Health Research and Development, and HERDIN, managed through Zotero. Two independent reviewers performed database searches, title and abstract screening, and full-text evaluations, with a third reviewer resolving any disputes. The COSMIN Risk of Bias Checklist was employed to evaluate included studies on the development and various measurement properties of SRQs. The reviewers assessed SRQ standards, including validity, reliability, internal consistency, measurement error, responsiveness, interpretability, and feasibility. Data extraction and result tabulation were independently completed, with content comparison by two health education experts. This evaluation categorized the SRQs into three quality and validity levels.
RESULTSThe study examined five articles; four were rated as 'doubtful' and one as 'inadequate' in the overall development of SRQ. All four 'doubtful' studies demonstrated questionable content validity when university students were asked about the questionnaire's relevance, comprehensiveness, and comprehensibility. Only half of these studies achieved an 'adequate' rating for content validity based on expert opinions on relevance and comprehensiveness. All but one study scored from 'very good' to 'adequate' in structural validity. Three out of the four studies scored a very good rating for internal consistency, while one was deemed 'inadequate' in internal consistency, cross-cultural validity, and reliability. Three out of four studies scored 'very good' on construct validity, but all overlooked criterion validity and responsiveness. Conducted in various locations, including Australia, Romania, Turkey, and Taiwan, these studies highlighted both common characteristics and limitations in questionnaire development according to the COSMIN guidelines. Four studies were deemed reliable and valid for BTL constructs (Category A); Wu et al. requires further validation (Category B). Study limitations included heterogeneity in populations, settings, and questionnaire versions, potential subjective bias in SRQ content comparison, and the evolving nature of SRQs in blended learning contexts.
CONCLUSIONThe systematic review reports the development and evaluation of SRQs for BTL while identifying gaps in their applicability to health science programs. The Blended Learning Scale (BLS) of Lazar et al. and the Blended Learning Questionnaire (BLQ) of Ballouk et al. showed an ‘adequate' rating for content validity. BLS revealed very good structural validity, internal consistency, and adequate content validation. Although the BLQ lacked Confirmatory Factor Analysis, it yielded valuable constructs for evaluating health sciences students' experiences in BTL. Both tools require improvements on recall period, completion time, interpretability, and feasibility. The review underscores the necessity for cont inuous assessment and enhancement of such instruments in BTL, advocating a rigorous scale development process. Furthermore, it encourages the customization of teaching and learning evaluation tools to suit specific institutional contexts while promoting further validation of these questionnaires across different populations in future research.
Human ; Psychometrics ; Checklist ; Self Report ; Universities ; Health Education
3.Obesogenic characteristics of primary schools in an urban Philippine municipality: A descriptive study
Christian Joshua V. Cacatian ; Julia Czen N. Melendres ; Nisha Joelle F. Caguntas ; Jasmine C. Manalang ; Nicole Evangeline M. Sotto ; Peter James B. Abad
Acta Medica Philippina 2025;59(Early Access 2025):1-12
BACKGROUND
With childhood overweight and obesity becoming widespread in the Philippines, there is an increased risk of developing non-communicable diseases at a younger age. The school environment, found to be associated with body mass index, offers an avenue to address and prevent school-aged obesity. However, the lack of data on the current school environment poses a barrier to improving these conditions.
OBJECTIVEThis study aimed to describe the physical, political, and sociocultural environment characteristics of primary schools in the Municipality of Pateros (Philippines) that affect nutrition and physical activity of school-aged children.
METHODSSelf-administered questionnaires for key school personnel and observational checklists were used to examine available resources, policies, and current practices for obesity prevention in five public schools in a municipality. The role perceptions of all school personnel on childhood obesity prevention were also gathered. Descriptive statistics was used to describe the number and categories of food items, functional spaces and equipment for physical activity, policies and scores of attitude toward obesity prevention. Data were collected in May to June 2019 and were analyzed descriptively.
RESULTSMajority of the schools serve food items that contain high amounts of saturated fat, sugar, or salt, provide excess calories, and are not recommended to be sold at school canteens based on guidelines by the Department of Education. While all schools have areas and functional equipment for physical activity, students have limited access to these. Policies and guidelines for nutrition were present but sparse for physical activity and obesity prevention. Positive attitude towards childhood obesity prevention was seen across all school personnel respondents.
CONCLUSIONParticipant primary schools are eager to address childhood obesity, however, the physical, political, and sociocultural environments do not seem to enable this. This situation may promote, rather than prevent, overweight and obesity among school children. This points to the need of reorientation and implementation of policies on obesity prevention to the schools as well as developing the skills of both teaching and non-teaching personnel in healthy eating and physical activity to students. School-based healthcare workers like school nurses and doctors would have critical roles in supporting schools in this regard.
Human ; Obesity ; Schools ; Primary Schools ; Noncommunicable Diseases
4.Lived experiences of well-being of the University Athletic Association of the Philippines Season 84 student-athletes in bubble training during the COVID-19 pandemic: A qualitative phenomenological study
Ken Erbvin R. Sosa ; Charles Nicolei M. Nermal ; Karlos Lorenzo A. Rea ; Gabrielle Atasha Tanhueco ; Isaac Miguel M. Andico ; Janelle Audre C. Chiu ; Timothy D. Lao ; Ma. Julia Isabelle G. peñ ; aloza ; John Mari R. Quilang ; Zeuch Ryonin B. Silva
Acta Medica Philippina 2025;59(Early Access 2025):1-18
BACKGROUND AND OBJECTIVE
The COVID-19 pandemic has disrupted the sports industry, resulting in the postponement of events worldwide. This posed a significant burden in the mental and emotional well-being of athletes due to uncertainties and diminished training levels. As an adaptation, bubble camps emerged as a new approach to resuming training and tournaments under stringent regulations of the COVID-19 protocols. In the national context, the University Athletic Association of the Philippines (UAAP) has adapted the bubble set-up by implementing antigen testing, RTPCR, and other health protocols as a prerequisite to bubble training. However, uncertainties in the future of sports continue to present as a psychological toll to the well-being of student-athletes despite the sense of normalcy instilled by bubble training. Existing literature on bubble training is grounded heavily on the quantitative assessments of an athlete's well-being in a bubble set-up and its effectiveness in mitigating COVID-19 transmission, thereby lacking insights that may be obtained from qualitative data. This study explored the experiences of UAAP Season 84 studentathletes in a bubble set-up by examining personal and contextual factors that impacted their well-being.
METHODSThe study employed a qualitative descriptive phenomenological approach based on Seligman's WellBeing Theory. A purposeful sampling technique was used to recruit UAAP student-athletes through online dissemination of Google Forms for recruitment. Only three student-athletes from UAAP fit the eligibility criteria. Data were collected through on-site and online interviews using a semi-structured interview guide to reveal a narrative of the student-athletes' bubble training experiences, common themes, and patterns. The NVivo software program was used for data analysis, utilizing a deductive thematic approach.
RESULTSThe lived experiences of three UAAP studentathletes were classified into six major themes: (1) Availability and Accessibility of Services; (2) Restrictions; (3) Mental Health; (4) Fostering Relationships; (5) Support Systems; and (6) Individual Growth. Accounts of both positive and negative training perceptions and outcomes regarding the bubble set-up were noted from all student-athletes. The set-up provided studentathletes with easy access to training facilities and services, eventual development of mental fortitude and perseverance, improved interpersonal relationships, and opportunities for individual growth. However, the restrictions, isolation, internal and external pressures, and routinary nature of the set-up contributed to the elevated levels of stress and anxiety, eventually leading to fatigue and burnout.
CONCLUSIONThe study elucidates on the multi-faceted experiences of UAAP student-athletes in bubble training, underpinning the essence of the adequacy of training services and facilities, enhanced support systems, and prompt policy development that caters to improving the holistic well-being of student-athletes amidst adverse changes in the trajectory of sports.
Human ; Qualitative Research ; Universities ; College Athletes ; Athletes
5.Challenges and opportunities in the implementation of health and safety policies and programs in a state university in the Philippines
Paul Michael R. Hernandez ; Niñ ; a F. Yanilla ; Fevito A. Obidos jr. ; Carlos Primero D. Gundran ; Jo Leah A. Flores ; Homer U. Co ; Lara Fatima L. Lintao ; Arlene A. Samaniego ; Dexter C. Tiro ; Gabriel Jay B. Caeong ; Isabela Louise B. Navoa
Acta Medica Philippina 2025;59(4):14-25
BACKGROUND
State universities in the Philippines should comply with the 2020 Occupational Safety and Health (OSH) standards for government workers and must be guided by the 2017 ASEAN University Network’s Healthy University Framework (HUF) for them to become healthy universities. Both policy documents identify OSH policy and programs as key components.
OBJECTIVEThis study aimed to explore the challenges and opportunities in the implementation of health and safety policies and programs in a state university in the Philippines.
METHODSA case study design was used with a state university as its study site. Investigators conducted 14 key informant interviews and nine focus group discussions which were participated by system officials, campus officials, academic teaching staff, academic non-teaching Staff, support staff, and students. Thematic analysis was used to identify and understand emerging patterns and themes.
RESULTSThe results generated seven themes consisting of Policy and Committee, Dedicated Personnel and Unit,Budget and Technology, Collaboration, Programs and Services, Working and Learning Environment, and Role Models. The identified challenges in the implementation of health and safety programs in the university were: (1) limited budget to implement initiatives, (2) lack of collaboration among its offices, and (3) absence of a dedicated unit and staff. There were also opportunities to improve implementation: (1) strong implementation of certain policies and programs, (2) presence of a good working and learning environment, and (3) existence of role models.
CONCLUSIONThe identified challenges and opportunities correspond to the elements of the system and infrastructure considered as principal determinants of a healthy university. There is a need to recognize the interrelatedness of such elements to ensure effective implementation of health and safety programs in the university. It also underscores the relevance of the HUF in promoting OSH within a university context.
Human ; Health ; Safety ; Universities
6.Lived experiences of well-being of the University Athletic Association of the Philippines Season 84 student-athletes in bubble training during the COVID-19 pandemic: A qualitative phenomenological study.
Ken Erbvin R. SOSA ; Charles Nicolei M. NERMAL ; Karlos Lorenzo A. REA ; Gabrielle Atasha TANHUECO ; Isaac Miguel M. ANDICO ; Janelle Audre C. CHIU ; Timothy D. LAO ; Ma. Julia Isabelle G. PEÑALOZA ; John Mari R. QUILANG ; Zeuch Ryonin B. SILVA
Acta Medica Philippina 2025;59(18):81-98
BACKGROUND AND OBJECTIVE
The COVID-19 pandemic has disrupted the sports industry, resulting in the postponement of events worldwide. This posed a significant burden in the mental and emotional well-being of athletes due to uncertainties and diminished training levels. As an adaptation, bubble camps emerged as a new approach to resuming training and tournaments under stringent regulations of the COVID-19 protocols. In the national context, the University Athletic Association of the Philippines (UAAP) has adapted the bubble set-up by implementing antigen testing, RTPCR, and other health protocols as a prerequisite to bubble training. However, uncertainties in the future of sports continue to present as a psychological toll to the well-being of student-athletes despite the sense of normalcy instilled by bubble training. Existing literature on bubble training is grounded heavily on the quantitative assessments of an athlete's well-being in a bubble set-up and its effectiveness in mitigating COVID-19 transmission, thereby lacking insights that may be obtained from qualitative data. This study explored the experiences of UAAP Season 84 studentathletes in a bubble set-up by examining personal and contextual factors that impacted their well-being.
METHODSThe study employed a qualitative descriptive phenomenological approach based on Seligman's WellBeing Theory. A purposeful sampling technique was used to recruit UAAP student-athletes through online dissemination of Google Forms for recruitment. Only three student-athletes from UAAP fit the eligibility criteria. Data were collected through on-site and online interviews using a semi-structured interview guide to reveal a narrative of the student-athletes' bubble training experiences, common themes, and patterns. The NVivo software program was used for data analysis, utilizing a deductive thematic approach.
RESULTSThe lived experiences of three UAAP studentathletes were classified into six major themes: (1) Availability and Accessibility of Services; (2) Restrictions; (3) Mental Health; (4) Fostering Relationships; (5) Support Systems; and (6) Individual Growth. Accounts of both positive and negative training perceptions and outcomes regarding the bubble set-up were noted from all student-athletes. The set-up provided studentathletes with easy access to training facilities and services, eventual development of mental fortitude and perseverance, improved interpersonal relationships, and opportunities for individual growth. However, the restrictions, isolation, internal and external pressures, and routinary nature of the set-up contributed to the elevated levels of stress and anxiety, eventually leading to fatigue and burnout.
CONCLUSIONThe study elucidates on the multi-faceted experiences of UAAP student-athletes in bubble training, underpinning the essence of the adequacy of training services and facilities, enhanced support systems, and prompt policy development that caters to improving the holistic well-being of student-athletes amidst adverse changes in the trajectory of sports.
Human ; Qualitative Research ; Universities ; College Athletes ; Athletes
7.Psychometric properties of self-report questionnaires in evaluating blended learning in health science university students: A systematic review.
Valentin C. DONES III ; Maria Teresita B. DALUSONG ; Donald G. MANLAPAZ ; Juan Alfonso S. ROJAS ; Ma. Bianca Beatriz P. BALLESTEROS ; Ron Kevin S. FLORES ; Kaela Celine C. HO ; Jose Angelo D. MONREAL ; Audrey Marie A. NARCELLES ; Jose Joaquin R. REYES ; Lianna Andrea B. SANGATANAN
Acta Medica Philippina 2025;59(16):79-92
BACKGROUND
Due to the COVID-19 outbreak, schools had to switch online. The sudden transition to blended teaching and learning (BTL) poses challenges for students and teachers, especially for health science programs that require hands-on practical experience. The validity, reliability, and responsiveness of these self-report questionnaires (SRQs) should be established to ensure the accuracy of the results as intended by the SRQ.
OBJECTIVESThis study critically appraised, compared, and summarized the psychometric properties of SRQ evaluating BTL among health science university students. This review determined the SRQ’s reliability, internal consistency, various forms of validity (content, criterion, construct), and responsiveness.
METHODSFollowing a 10-step procedure based on COSMIN guidelines, we conducted a systematic review of SRQs used by health science university students to evaluate blended teaching and learning. Studies were eligible if they reported psychometric properties of SRQs related to blended learning among university health science students; exclusions included studies focusing on perceptions, attitudes, self-efficacy, and satisfaction, as well as articles such as biographies, editorials, and conference materials. Searches covered multiple electronic databases until April 26, 2023, including PubMed, EMBASE, Web of Science, MEDLINE (OVID), PsycInfo, CINAHL, EBSCOHOST, ERIC, Scopus, Science Direct, Google Scholar, JSTOR, Acta Medica Philippina, Philippine Journal of Health Research and Development, and HERDIN, managed through Zotero. Two independent reviewers performed database searches, title and abstract screening, and full-text evaluations, with a third reviewer resolving any disputes. The COSMIN Risk of Bias Checklist was employed to evaluate included studies on the development and various measurement properties of SRQs. The reviewers assessed SRQ standards, including validity, reliability, internal consistency, measurement error, responsiveness, interpretability, and feasibility. Data extraction and result tabulation were independently completed, with content comparison by two health education experts. This evaluation categorized the SRQs into three quality and validity levels.
RESULTSThe study examined five articles; four were rated as 'doubtful' and one as 'inadequate' in the overall development of SRQ. All four 'doubtful' studies demonstrated questionable content validity when university students were asked about the questionnaire's relevance, comprehensiveness, and comprehensibility. Only half of these studies achieved an 'adequate' rating for content validity based on expert opinions on relevance and comprehensiveness. All but one study scored from 'very good' to 'adequate' in structural validity. Three out of the four studies scored a very good rating for internal consistency, while one was deemed 'inadequate' in internal consistency, cross-cultural validity, and reliability. Three out of four studies scored 'very good' on construct validity, but all overlooked criterion validity and responsiveness. Conducted in various locations, including Australia, Romania, Turkey, and Taiwan, these studies highlighted both common characteristics and limitations in questionnaire development according to the COSMIN guidelines. Four studies were deemed reliable and valid for BTL constructs (Category A); Wu et al. requires further validation (Category B). Study limitations included heterogeneity in populations, settings, and questionnaire versions, potential subjective bias in SRQ content comparison, and the evolving nature of SRQs in blended learning contexts.
CONCLUSIONThe systematic review reports the development and evaluation of SRQs for BTL while identifying gaps in their applicability to health science programs. The Blended Learning Scale (BLS) of Lazar et al. and the Blended Learning Questionnaire (BLQ) of Ballouk et al. showed an ‘adequate' rating for content validity. BLS revealed very good structural validity, internal consistency, and adequate content validation. Although the BLQ lacked Confirmatory Factor Analysis, it yielded valuable constructs for evaluating health sciences students' experiences in BTL. Both tools require improvements on recall period, completion time, interpretability, and feasibility. The review underscores the necessity for cont inuous assessment and enhancement of such instruments in BTL, advocating a rigorous scale development process. Furthermore, it encourages the customization of teaching and learning evaluation tools to suit specific institutional contexts while promoting further validation of these questionnaires across different populations in future research.
Human ; Psychometrics ; Checklist ; Self Report ; Universities ; Health Education
8.Obesogenic characteristics of primary schools in an urban Philippine municipality: A descriptive study.
Christian Joshua V. CACATIAN ; Julia Czen N. MELENDRES ; Nisha Joelle F. CAGUNTAS ; Jasmine C. MANALANG ; Nicole Evangeline M. SOTTO ; Peter James B. ABAD
Acta Medica Philippina 2025;59(15):94-105
BACKGROUND
With childhood overweight and obesity becoming widespread in the Philippines, there is an increased risk of developing non-communicable diseases at a younger age. The school environment, found to be associated with body mass index, offers an avenue to address and prevent school-aged obesity. However, the lack of data on the current school environment poses a barrier to improving these conditions.
OBJECTIVEThis study aimed to describe the physical, political, and sociocultural environment characteristics of primary schools in the Municipality of Pateros (Philippines) that affect nutrition and physical activity of school-aged children.
METHODSSelf-administered questionnaires for key school personnel and observational checklists were used to examine available resources, policies, and current practices for obesity prevention in five public schools in a municipality. The role perceptions of all school personnel on childhood obesity prevention were also gathered. Descriptive statistics was used to describe the number and categories of food items, functional spaces and equipment for physical activity, policies and scores of attitude toward obesity prevention. Data were collected in May to June 2019 and were analyzed descriptively.
RESULTSMajority of the schools serve food items that contain high amounts of saturated fat, sugar, or salt, provide excess calories, and are not recommended to be sold at school canteens based on guidelines by the Department of Education. While all schools have areas and functional equipment for physical activity, students have limited access to these. Policies and guidelines for nutrition were present but sparse for physical activity and obesity prevention. Positive attitude towards childhood obesity prevention was seen across all school personnel respondents.
CONCLUSIONParticipant primary schools are eager to address childhood obesity, however, the physical, political, and sociocultural environments do not seem to enable this. This situation may promote, rather than prevent, overweight and obesity among school children. This points to the need of reorientation and implementation of policies on obesity prevention to the schools as well as developing the skills of both teaching and non-teaching personnel in healthy eating and physical activity to students. School-based healthcare workers like school nurses and doctors would have critical roles in supporting schools in this regard.
Human ; Obesity ; Schools ; Primary Schools ; Noncommunicable Diseases
9.Association Between Introversion Personality and Social Media Usage-Related Social Anxiety Among Chinese College Students: Chain Mediating Effects of Interaction Anxiousness and Mobile Phone Addiction.
Su-Yan WANG ; Wen-Hui LI ; Hong-Liang DAI
Chinese Medical Sciences Journal 2025;40(3):180-187
BACKGROUND AND OBJECTIVE: Social anxiety arising from intensive social media usage (SMU) among adolescents and youth has gained extensive attention in recent years due to its negative influence on mental health and academic performance. In spite of that, there is a dearth regarding the etiology of SMU-related social anxiety. This study aims to further clarify the influence of introversion personality on SMU-related social anxiety and the mechanism underlying such an association and provide a new perspective for developing effective intervention strategies for the highly prevailing SMU-related anxiety among Chinese college students. METHODS: A cohort of 979 college students (266 males and 713 females) aged 20.90 ± 1.91 years was enrolled in this cross-sectional study. Four measures including the "extroversion" domain of Eysenck Personality Questionnaire Revised, Short Scale (EPQ-R-S E), Interaction Anxiousness Scale (IAS), Mobile Phone Addiction Index (MPAI), and Social Anxiety Scale for Social Media Users (SAS-SMU) were used to evaluate the influence of introversion personality on SMU-related social anxiety that was potentially mediated sequentially by interaction anxiousness and mobile phone addiction. Hayes PROCESS was used for correlation and mediation analysis. RESULTS: Interaction anxiousness (indirect effect = -1.331, 95% CI : -1.559 - -1.122) partially mediated the association between introversion personality and SMU-related social anxiety. Besides, a sequential mediation of interaction anxiousness and mobile phone addiction in the link between introversion personality and SMU-related social anxiety was revealed (indirect effect = -0.308, 95% CI : -0.404 - -0.220). No significant mediating effect was found with mobile phone addiction in the association between introversion personality and SMU-related social anxiety. CONCLUSION: Targeting interaction anxiousness and mobile phone addiction may represent an efficient strategy alleviating SMU-related social anxiety among Chinese college students with introversion personality.
Humans
;
Male
;
Female
;
Social Media
;
Students/psychology*
;
Anxiety/psychology*
;
Young Adult
;
Cross-Sectional Studies
;
Universities
;
Behavior, Addictive/psychology*
;
Cell Phone
;
Adolescent
;
Introversion, Psychological
;
China
;
Surveys and Questionnaires
;
Internet Addiction Disorder/psychology*
10.Characteristics and outcomes of out-of-hospital cardiac arrest among students under school supervision in Japan: a descriptive epidemiological study (2008-2021).
Kosuke KIYOHARA ; Mamoru AYUSAWA ; Masahiko NITTA ; Takeichiro SUDO ; Taku IWAMI ; Ken NAKATA ; Yuri KITAMURA ; Tetsuhisa KITAMURA
Environmental Health and Preventive Medicine 2025;30():4-4
BACKGROUND:
A comprehensive understanding of the epidemiology of pediatric out-of-hospital cardiac arrest (OHCA) occurring under school supervision is lacking. We aimed to comprehensively describe the characteristics and outcomes of OHCA among students in elementary schools, junior high schools, high schools, and technical colleges in Japan.
METHODS:
OHCA data from 2008-2021 were obtained from the SPIRITS study, which provides a nationwide database of OHCAs occurring under school supervision across Japan. We included cases in which resuscitation was attempted by emergency medical service personnel or bystanders. The cases were classified into three groups based on their etiology: cardiac, non-cardiac, and traumatic origin. The primary outcome was one-month survival with favorable neurological outcomes, defined as a Glasgow-Pittsburgh cerebral performance category of 1 or 2. The demographic characteristics, event details, and outcomes were compared across the three groups by using χ2 tests for categorical variables and one-way analyses of variance for continuous variables.
RESULTS:
During the 14-year study period, 602 OHCA cases were confirmed, with 430 (71.4%) classified as cardiac, 91 (15.1%) as non-cardiac, and 81 (13.5%) as traumatic origin. Non-cardiac and traumatic cases were less likely to be witnessed at the time of arrest (46.2% and 42.0%, respectively) than cardiac cases (82.6%; p < 0.001). Initiation of cardiopulmonary resuscitation by bystanders was less common in non-cardiac and traumatic cases (62.6% and 42.0%, respectively) than that in cardiac cases (82.8%; p < 0.001). The delivery of defibrillation using public-access automated external defibrillators was also significantly less frequent in non-cardiac (3.3%) and traumatic cases (6.2%) than that in cardiac cases (59.8%; p < 0.001). Ventricular fibrillation (VF) as the first documented rhythm was observed in 77.9% of cardiac cases but was much less common in non-cardiac (5.5%) and traumatic cases (8.6%; p < 0.001). One-month survival with favorable neurological outcomes was significantly lower in non-cardiac (6.6%) and traumatic cases (0%) than that in cardiac cases (50.2%; p < 0.001).
CONCLUSIONS
OHCAs of cardiac origin were more frequently associated with VF and had relatively good prognoses. In contrast, OHCAs of non-cardiac and traumatic origins consistently resulted in poor outcomes, highlighting the critical importance of prevention strategies to reduce the occurrence of these incidents.
Out-of-Hospital Cardiac Arrest/etiology*
;
Humans
;
Japan/epidemiology*
;
Male
;
Female
;
Child
;
Students/statistics & numerical data*
;
Schools/statistics & numerical data*
;
Adolescent
;
Cardiopulmonary Resuscitation/statistics & numerical data*
;
Emergency Medical Services/statistics & numerical data*
;
Epidemiologic Studies


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