Study of depression influencing factors with zero-inflated regression models in a large-scale population survey

• Published in: BMJ open Vol. 7; no. 11; p. e016471
• Main Authors: Xu, Tao, Zhu, Guangjin, Han, Shaomei
• Format: Journal Article
• Language: English
• Published: England BMJ Publishing Group LTD 01.11.2017; BMJ Publishing Group
• Subjects: Breast cancer; Chronic illnesses; Dental caries; Epidemiology; Mental depression; Regression analysis; Risk factors; Values; China; over dispersion; depression; poisson regression; negative binomial regression; count data; zero-inflated

ObjectivesThe number of depression symptoms can be considered as count data in order to get complete and accurate analyses findings in studies of depression. This study aims to compare the goodness of fit of four count outcomes models by a large survey sample to identify the optimum model for a risk...