Table 1 Baseline characteristics of the study sample (n = 676) by tea consumption (high vs. low)
Low Tea Consumption (n = 213) | High Tea Consumption (n = 463) | p-value* | |
|---|---|---|---|
Demographics | |||
Mean age, years (SD) | 85.4 (0.4) | 85.5 (0.4) | 0.0991 |
Mean education, years (SD) | 9.8 (1.8) | 9.9 (1.8) | 0.8201 |
% Female (n) | 54.9 (117) | 93.9 (296) | 0.026 |
Health | |||
Mean body mass index (SD) | 24.5 (4.6) | 24.5 (4.2) | 0.9201 |
Mean total cholesterol, mmol/l (SD) | 4.8 (1.2) | 4.8 (1.2) | 0.9641 |
Mean waist-to-hip ratio (SD) | 0.9 (0.1) | 0.9 (0.1) | 0.4601 |
% Hypertension (n) | 54.7 (116) | 62.2 (288) | 0.066 |
% Severe depression (n) | 7.2 (15) | 8.6 (39) | 0.817 |
% Cardiac disease (n) | 46.7 (n = 99) | 48.0 (n = 222) | 0.763 |
% Cerebrovascular disease (n) | 17.5 (n = 37) | 20.3 (n = 94) | 0.385 |
% Diabetes (n) | 12.7 (n = 27) | 13.8 (n = 64) | 0.701 |
% PVD (n) | 6.6 (n = 14) | 7.6% (n = 35) | 0.657 |
% Total disease count ≥2 (n) | 20.8 (n = 44) | 22.5 (n = 104) | 0.664 |
Lifestyle | |||
% High physical activity (n) | 34.9 (74) | 36.8 (170) | 0.721 |
% Current smoking (n) | 8.0 (17) | 3.5 (16) | 0.020 |
% Heavy alcohol use (n) | 7.1 (10) | 18.1 (61) | 0.008 |