Association between anthropometric indices and daily and severe GERD symptoms by sex.

CI, confidence interval; GERD, gastroesophageal reflux disease; OR, odds ratio; WHO, World Health Organization.
Numbers may not add up to the total numbers due to missing data. The ORs (95% CIs) were calculated using multinomial logistic regression models. In the analyses of frequency, Table 2). OR 2s (95% CIs) were additionally adjusted for body mass index.