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Table 1 Characteristics of the elderly by tea consumption status in 2005 wave of CLHLS

From: Association between tea consumption and depressive symptom among Chinese older adults

  Non- drinkers Inconsistent drinkers Consistent drinkers Consistent daily drinkers P value
Depressive symptom, mean (SD) 6.92 (3.50) 6.72 (3.42) 6.59 (3.34) 5.86 (3.45) < 0.001
Age, mean (SD) 85.95 (11.67) 85.15 (10.89) 84.07 (11.21) 82.13 (11.60) < 0.001
Male, N (%) 1575 (31.75) 1493 (45.32) 1216 (52.66) 1589 (64.54) < 0.001
Urban, N (%) 1991 (40.13) 1488 (45.17) 1084 (46.95) 1316 (53.45) < 0.001
Educated, N (%) 1524 (30.72) 1402 (42.56) 1035 (44.82) 1449 (58.85) < 0.001
Married, N (%) 1385 (27.92) 1100 (33.39) 801 (34.69) 1116 (45.33) < 0.001
Having pension, N (%) 805 (16.23) 712 (21.62) 577 (24.99) 918 (37.29) < 0.001
Smoking, N (%) 698 (14.07) 629 (19.10) 567 (24.56) 784 (31.84) < 0.001
Drinking, N (%) 796 (16.05) 686 (20.83) 570 (24.69) 717 (29.12) < 0.001
ADL score, mean (SD) 0.55 (1.29) 0.52 (1.28) 0.39 (1.14) 0.36 (1.09) < 0.001
MMSE score, mean (SD) 23.63 (6.94) 24.04 (6.89) 24.93 (6.17) 25.96 (5.58) < 0.001
Playing card/mahjong, N (%) 694 (13.99) 617 (18.73) 483 (20.92) 705 (28.64) < 0.001
Community activity, N (%) 525 (10.58) 534 (16.21) 466 (20.18) 602 (24.45) < 0.001
Tourism, N (%) 254 (5.12) 233 (7.07) 180 (7.80) 312 (12.67) < 0.001
Sample size (%) 4961 (38.1) 3294 (25.3) 2309 (17.7) 2462 (18.9)  
  1. P values are calculated with analysis of variance (ANOVA) for continuous variables and Chi-squared test for categorical variables