Chair-stand test | N | n (%)c | Person years | Incidence rates per 1000 person years | Relative risks (95% CI) | ||
---|---|---|---|---|---|---|---|
Model 1 | Model 2 | Model 3 | |||||
Not safea | 6587 | 725 (11.0%) | 32,480 | 22.3 | 2.18 (1.95–2.43) | 2.11 (1.88–2.36) | 1.32 (1.17–1.48) |
Q1 (≥ 12.01 seconds in men, ≥ 13.5 seconds in women)b | 9893 | 857 (8.7%) | 51,310 | 16.7 | 1.71 (1.54–1.91) | 1.65 (1.48–1.85) | 1.23 (1.10–1.37) |
Q2 (≥ 10.0, < 12.01 seconds in men; ≥ 10.54, < 13.5 seconds in women)b | 10,161 | 739 (7.3%) | 51,953 | 14.2 | 1.44 (1.29–1.61) | 1.40 (1.25–1.57) | 1.19 (1.06–1.33) |
Q3 (≥ 8.0, < 10.0 seconds in men; ≥ 8.24, < 10.54 seconds in women)b | 9806 | 595 (6.1%) | 53,648 | 11.1 | 1.20 (1.07–1.35) | 1.19 (1.06–1.33) | 1.08 (0.96–1.21) |
Q4 (reference) (< 8.0 seconds in men, < 8.24 seconds in women)b | 9672 | 489 (5.1%) | 54,256 | 9.0 | 1 | 1 | 1 |