Current smokers (n = 603) | Duration of smoking cessation (years since quitting smoking)c | Never smokers (n = 616) | P-trendd | ||||
---|---|---|---|---|---|---|---|
≤ 3 years (n = 185) | 4-10 years (n = 398) | 11-20 years (n = 303) | ≥ 21 years (n = 357) | ||||
Mean ankle-brachial index | |||||||
Unadjusted | 1.118 (0.004) | 1.127 (0.007) | 1.130 (0.005) | 1.140 (0.006)** | 1.138 (0.005)** | 1.156 (0.004)*** | <0.001 |
Age-adjusted | 1.116 (0.004) | 1.125 (0.007) | 1.129 (0.005)* | 1.141 (0.006)*** | 1.141 (0.005)*** | 1.157 (0.004)*** | <0.001 |
Multivariate-adjusteda | 1.123 (0.004) | 1.132 (0.008) | 1.134 (0.005) | 1.139 (0.006)* | 1.138 (0.005)* | 1.147 (0.005)*** | <0.001 |
Peripheral arterial diseaseb | |||||||
Prevalence, n (%) | 36 (6.0) | 6 (3.2) | 17 (4.3) | 10 (3.3) | 16 (4.5) | 12 (1.9) | |
Unadjusted OR | 1.00 (reference) | 0.53 (0.22-1.27) | 0.70 (0.39-1.27) | 0.54 (0.26-1.10) | 0.74 (0.40-1.35) | 0.31 (0.16-0.61)** | 0.002 |
Age-adjusted OR | 1.00 (reference) | 0.49 (0.20-1.19) | 0.59 (0.32-1.08) | 0.41 (0.20-0.84)* | 0.47 (0.25-0.88)* | 0.23 (0.12-0.45)** | <0.001 |
Multivariate-adjusteda OR | 1.00 (reference) | 0.47 (0.19-1.17) | 0.57 (0.30-1.06) | 0.41 (0.19-0.86)* | 0.49 (0.24-0.98)* | 0.25 (0.11-0.55)** | <0.001 |