TABLE 4.
Relation between consumption of other beverages and incident functional disability
| Beverage consumption |
|||||
| <1 cup/d | 1–2 cups/d | 3–4 cups/d | ≥5 cups/d | P-trend | |
| Oolong tea (Chinese tea) | |||||
| No. of participants | 10,482 | 502 | 225 | 153 | |
| Primary outcome events [no. (%)] | 925 (8.8) | 45 (9.0) | 11 (4.9) | 13 (8.5) | |
| Age- and sex-adjusted HR (95% CI)1 | 1.00 (reference) | 1.12 (0.83, 1.52) | 0.58 (0.32, 1.05) | 0.94 (0.54, 1.63) | 0.387 |
| Multiple-adjusted HR (95% CI)2 | 1.00 (reference) | 1.47 (1.07, 2.03) | 0.77 (0.42, 1.40) | 1.25 (0.71, 2.18) | 0.354 |
| Black tea | |||||
| No. of participants | 10,408 | 785 | 190 | 66 | |
| Primary outcome events [no. (%)] | 914 (8.8) | 73 (9.3) | 11 (5.8) | 4 (6.1) | |
| Age- and sex-adjusted HR (95% CI)1 | 1.00 (reference) | 1.11 (0.87, 1.41) | 0.61 (0.34, 1.11) | 0.65 (0.24, 1.74) | 0.323 |
| Multiple-adjusted HR (95% CI)2 | 1.00 (reference) | 1.23 (0.96, 1.59) | 0.82 (0.45, 1.51) | 1.01 (0.37, 2.75) | 0.567 |
| Coffee | |||||
| No. of participants | 6317 | 4997 | 1031 | 538 | |
| Primary outcome events [no. (%)] | 701 (11.1) | 357 (7.1) | 62 (6.0) | 41 (7.6) | |
| Age- and sex-adjusted HR (95% CI)1 | 1.00 (reference) | 0.83 (0.73, 0.94) | 0.82 (0.63, 1.07) | 0.92 (0.67, 1.27) | 0.023 |
| Multiple-adjusted HR (95% CI)2 | 1.00 (reference) | 0.90 (0.79, 1.03) | 0.93 (0.72, 1.22) | 1.02 (0.74, 1.41) | 0.408 |