A survey on the nutritional status of vitamin A among urban residents
- VernacularTitle:城市居民维生素A营养状况调查
- Author:
Yi-Bo ZHU
1
;
Rong-Hua ZHANG
;
Li-Chun HUANG
;
Dong ZHAO
;
Yue-Qiang FANG
;
Gang-Qiang DING
Author Information
1. 浙江省疾病预防控制中心
- Keywords:
Vitamin A;
Vitamin A deficiency;
Recommended Nutrient Intake;
Nutritional status
- From:
Journal of Preventive Medicine
2015;(1):10-13,47
- CountryChina
- Language:Chinese
-
Abstract:
Objective To evaluate the nutritional status of vitamin A among urban residents. Methods Using stratified random sampling method,a total of 400 residents from two cities in Zhejiang were selected. They were interviewed by questionnaire,also, the dietary survey, physical measurement and blood sample testing were used. According to Recommended Nutrient Intake( RNI)of vitamin A,to evaluate the intake of Vitamin A and analysis the nutritional status and influenc factors. Results The median of vitamin A concentration was 0. 463( inter-quartile range is 0. 213)μg/mL, and the percentage of severe vitamin A deficiency( VAD ),VAD,insufficiency and adequate serum vitamin A were 0. 25%,0. 50%,6. 75% and 92. 50% respectively. Among 299 individuals who participated in the dietary survey,the median of daily vitamin A intake was 350. 5( inter-quartile range was 351. 5)μgRE. Only 25. 42% of participants' dietary intake of vitamin A met the level of 80% RNI,while 61. 87% of peoples' daily intake of vitamin A under 60%RNI. Male, from the bigger city,older age,high level of triglyceride and more intake of cholesterol may contribute to a higher level of serum vitamin A. Conclusion The majority of urban residents had adequate vitamin A . But the intake of dietary vitamin A still should be paid more attention. Serum vitamin A was associated with age,gender and district.
