| Popis: |
Additional file 1: Supplementary Table 1. Types and frequencies of consumption of teas in the study population. Supplementary Table 2. Subgroup analyses on levels and types of tea consumption and depressive symptoms. Supplementary Figure 1. Map of tea production areas in China and distribution of participants of CLHLS by type of tea intake . Supplementary Figure 2. Sensitivity analysis of type and frequency of tea intake with depressive symptoms by (a) using different cut-off value of CES-D-10 = 12 and (b) using different cut-off value of CES-D-10 = 8 as the definition of depressive symptoms. Main model included types of tea consumption as the sole variable and controlling for demographic and socioeconomic variables (age, gender, education, socioeconomic status, rural residence and geographical regions), psychosocial and behavioral variables (marital status, living arrangement, social and leisure activity index, smoking, alcohol drinking, BMI, regular dietary [vegetable/fruit/fish/nut] intake), and health variables (self-rated health, cognitive impairment, and medical illness, comorbidity, and ADL disability). Supplementary Figure 3. Sensitivity analysis of type and frequency of tea intake with depressive symptoms by (a) removing participants with severe cognitive impairment (MMSE |
