No physical limitations | With physical limitations | Age <65 | Age ≥65 | |
Overall | ||||
N | 4446 | 1671 | 3218 | 2899 |
IRR | 1.21 | 1.10 | 1.30 | 1.11 |
95% CI | 1.16 to 1.27 | 1.03 to 1.17 | 1.22 to 1.39 | 1.06 to 1.17 |
P value for interaction | 0.04 | <0.01 | ||
White | ||||
N | 1783 | 638 | 1229 | 1192 |
IRR | 1.29 | 1.09 | 1.33 | 1.17 |
95% CI | 1.19 to 1.40 | 0.99 to 1.20 | 1.18 to 1.49 | 1.01 to 1.07 |
P value for interaction | <0.01 | <0.01 | ||
Black | ||||
N | 1134 | 525 | 864 | 795 |
IRR | 1.25 | 1.10 | 1.36 | 1.10 |
95% CI | 1.14 to 1.37 | 0.96 to 1.25 | 1.22 to 1.52 | 1.00 to 1.21 |
P value for interaction | 0.14 | <0.01 | ||
Hispanic | ||||
N | 961 | 359 | 740 | 580 |
IRR | 1.11 | 1.10 | 1.13 | 1.08 |
95% CI | 1.00 to 1.23 | 0.95 to 1.27 | 0.97 to 1.31 | 0.98 to 1.19 |
P value for interaction | 0.89 | 0.66 | ||
Chinese | ||||
N | 568 | 149 | 385 | 332 |
IRR | 1.21 | 1.23 | –† | 1.10 |
95% CI | 1.01 to 1.44 | 0.95 to 1.58 | –† | 0.94 to 1.29 |
P value for interaction | 0.93 | – |
*From Poisson models with offset for person-time contributed until incident CVD, death or loss to follow-up. Models for physical limitations were adjusted for age (continuous), gender and income (dichotomised at US$75 000. Models by age category were adjusted for gender and income (dichotomised at US$75,000).
↵†Omitted due to small number of events (<10).