Objective To understand the level of nuclear radiation knowledge and attitude towards nuclear power plant construction among health emergency personnel around a nuclear facility, to enhance public awareness and education targeted at these individuals, to increase confidence in the safety of nuclear power plants, and to aid health emergency response work. Methods In September 2022, following the survey plan developed by National Institute for Radiological Protection, China CDC, a survey was conducted using a questionnaire designed by the institute. The survey was conducted by filling online questionnaire by 238 individuals engaged in health emergency gathered at their working units, including designated centers for disease control, hospitals, and township health clinics at the municipal, county, and township levels. The collected data were analyzed by SPSS 22.0 statistical software. The categorical data were statistically described by proportion and subjected to chi-square test. The continuous data were described by \begin{document}$\bar{x} \pm s$\end{document} and subjected to correlation analysis using multiple linear regression. Results A total of 225 valid questionnaires were collected. The scores were relatively high for professional and technical personnel of radiation health protection agencies, personnel with postgraduate degrees, and male personnel, and their scores were 10.83 ± 2.13, 12.4 ± 1.67, and 10.48 ± 2.8, respectively. Sex and education were the factors influencing the level of radiation knowledge (P < 0.05). Most of the respondents were very concerned and worried about the safety of nuclear power plants, supported the construction of nuclear power plants by the state but took a neutral attitude towards the construction of nuclear facilities in the local area, and showed high level of trust in the government and the authoritative media. Conclusion According to the characteristics of the health emergency personnel, different publicity and education methods and activities should be used to enhance understanding of radiation knowledge. The authoritative role of the government and the media should be emphasized to build confidence in the safety of nuclear power plants.

Objective To evaluate the applicability of the Chinese version of SF-36 ( v. 2 ) scale for evaluating the quality of life of hospitalized patients with chronic heart failure. Methods From September 2013 to December 2014, 159 patients with chronic heart failure(NYHA I-IV), who were older than 18 years, clear mind and well self-expressed, were selected as participants. Questionnaire surveys included general survey and SF-36(v. 2) scale. Internal consistency reliability, binary reliability and construct validity were all analyzed as indicators to evaluate SF-36 ( v. 2 ) scale. Results A total of 159 questionnaires were issued and 159 valid questionnaires were recovered. The eight dimensions of SF-36(v. 2) scale including physical function (PF), role-physical (RP), bodily pain (BP), general health (GH), social function (SF), vitality (VT), role-emotion(RE), and mental health (MH) score conversion were (41.57 ±24.86), (48.35 ±21.64), (69.18 ± 25. 68), (31. 28 ± 16. 01), (48. 90 ± 19. 53), (45. 05 ± 22. 76), (59. 43 ± 24. 31), (57. 55 ± 19. 03); the floor effects were 2. 5%, 4. 4%, 3. 1%, 4. 4%, 3. 1%, 6. 3%, 0. 6%, 1. 3%; the ceiling effects were 0. 0%, 3. 8%, 21. 4%, 0. 0%, 0. 0%, 1. 9%, 3. 1%, 0. 0%. The item-convergent validity all achieved the standard (r≥0. 4), and the total scaling success rate of item-convergent was 100. 00%; the dimensions′success rates of item-discriminant validity of RP, BP, RE and SF were all 100%, the rest of four dimensions were PF 95. 71%, GH 85. 71%, VT 89. 29%, MH 94. 29%, and the total success rate was 94. 69%. Internal consistency reliability ranged from 0. 738 to 0. 919; the binary reliability ranged from 0. 808 to 0. 963. Within factors analysis, two common factors were confirmed, separately representing physical health and mental health, altogether making contribution of 61. 66% cumulative variance. Conclusions As the revision of SF-36(v. 1), SF-36(v. 2) scale seemed more friendly in layout for questions and answers, the floor and ceiling effects significantly reduced. Additionally, it also shows good reliability and validity in the evaluation of quality of life of hospitalized patients with chronic heart failure, and the SF-36(v. 2) scale can be used to evaluate the quality of life ( QOL) of patients with chronic heart failure.