Fang Guo1,2,3, Qiang Zhang1,2,3, Meng-Nan Fan3, Le Ma1,4, Chu Chen5, Xiao-Hong Liu1, Hong Jiang2,3, Yan Liu2,3. 1. The First Affiliated Hospital, Xi'an Jiaotong University Health Science Center, Xi'an 710061, Shaanxi Province, China. 2. Key Laboratory of Shaanxi Province for Craniofacial Precision Medicine Research, College of Stomatology, Xi'an Jiaotong University, Xi'an 710004, Shaanxi Province, China. 3. School of Public Health, Xi'an Jiaotong University Health Science Center, Xi'an 710061, Shaanxi Province, China. 4. Key Laboratory of Environment and Genes Related to Diseases, Xi'an Jiaotong University, Ministry of Education of China, Xi'an 710061, Shaanxi Province, China. 5. Honghui Hospital, Xi'an Jiaotong University, Xi'an 710054, Shaanxi Province, China.
Abstract
AIM: To investigate the associations between fruit and vegetable consumption and risk of asthenopia among Chinese college students. METHODS: A total of 1022 students were selected from five universities by a multi-stage stratified cluster sampling method. They were surveyed via a self-administered questionnaire including socio-demographic features, dietary and lifestyle habits, eye-related symptoms, eye care habits and history of diseases. Ascertainment of asthenopia was based on participants' subjectively reported symptoms. The associations between fruit and vegetable intake with asthenopia risk were assessed using multivariate logistic regression analysis. RESULTS: There were no significant associations between total fruit and vegetable, total vegetable, or fruit and the risk of asthenopia. Higher intake of dark-green leafy vegetable was likely to be inversely associated with asthenopia risk [odd ratio (OR): 0.60; 95%CI: 0.37-0.97; Ptrend=0.21] after controlling for nondietary and dietary risk factors. Stratified analysis showed that the inverse association between dark-green leafy vegetable intake and asthenopia risk was limited to participants with suboptimal eyesight (OR: 0.45; 95%CI: 0.25-0.82; Ptrend=0.05), wearing glasses (OR: 0.35; 95%CI: 0.17-0.72; Ptrend=0.03) or using computer ≥3h/d (OR: 0.48; 95%CI: 0.25-0.93; Ptrend=0.08). CONCLUSION: A higher consumption of dark-green leafy vegetable is associated with a lower asthenopia risk among college students with suboptimal eyesight and poor eye care habits.
AIM: To investigate the associations between fruit and vegetable consumption and risk of asthenopia among Chinese college students. METHODS: A total of 1022 students were selected from five universities by a multi-stage stratified cluster sampling method. They were surveyed via a self-administered questionnaire including socio-demographic features, dietary and lifestyle habits, eye-related symptoms, eye care habits and history of diseases. Ascertainment of asthenopia was based on participants' subjectively reported symptoms. The associations between fruit and vegetable intake with asthenopia risk were assessed using multivariate logistic regression analysis. RESULTS: There were no significant associations between total fruit and vegetable, total vegetable, or fruit and the risk of asthenopia. Higher intake of dark-green leafy vegetable was likely to be inversely associated with asthenopia risk [odd ratio (OR): 0.60; 95%CI: 0.37-0.97; Ptrend=0.21] after controlling for nondietary and dietary risk factors. Stratified analysis showed that the inverse association between dark-green leafy vegetable intake and asthenopia risk was limited to participants with suboptimal eyesight (OR: 0.45; 95%CI: 0.25-0.82; Ptrend=0.05), wearing glasses (OR: 0.35; 95%CI: 0.17-0.72; Ptrend=0.03) or using computer ≥3h/d (OR: 0.48; 95%CI: 0.25-0.93; Ptrend=0.08). CONCLUSION: A higher consumption of dark-green leafy vegetable is associated with a lower asthenopia risk among college students with suboptimal eyesight and poor eye care habits.
Entities:
Keywords:
asthenopia; college students; epidemiology; fruit; vegetable
Authors: Le Ma; Ayiboli Ahati; Xiao-tao Liu; Zhi-yong Zou; Ying Li; Ming-fang Wang; Xiao-ming Lin Journal: Beijing Da Xue Xue Bao Yi Xue Ban Date: 2011-06-18