Table 3.
Adjusted† associations of alcohol use with mortality from COPD (ICD-9 416-7, 491-2, 496) in different analytic strategies for Chinese men and women aged 60 years and over from Hong Kong in 1998
| Alcohol use, 10 years previously | |||||||||||
| Never | Occasional | Moderate | High | Ex-drinker | |||||||
| Analytic strategy | Control group | Stratification | <1/week | At least weekly, and ≤ 13.7 g (women) or ≤ 27.4 g (men) of ethanol/occasion | At least weekly, and >13.7 g (women) or >27.4 g (men) of ethanol/occasion | ||||||
| OR | 95% CI | OR | 95% CI | OR | 95% CI | OR | 95% CI | ||||
| Living control | All living controls | Men | 1 | 0.48 | 0.38 to 0.62 | 0.46 | 0.37 to 0.57 | 0.66 | 0.50 to 0.86 | 0.92 | 0.72 to 1.19 |
| #cases/controls | 514/1552 | 99/521 | 139/688 | 102/256 | 131/257 | ||||||
| Women | 1 | 0.64 | 0.41 to 0.99 | 0.74 | 0.39 to 1.40 | 0.49 | 0.23 to 1.04 | 2.08 | 1.22 to 3.56 | ||
| #cases/controls | 374/6222 | 30/454 | 14/160 | 10/113 | 28/97 | ||||||
| Ever-smoker | 1 | 0.57 | 0.46 to 0.72 | 0.52 | 0.41 to 0.65 | 0.66 | 0.51 to 0.86 | 1.08 | 0.84 to 1.38 | ||
| #cases/controls | 602/1398 | 121/509 | 143/571 | 107/276 | 151/251 | ||||||
| Never-smoker | 1 | 0.27 | 0.13 to 0.57 | 0.43 | 0.22 to 0.86 | 1.03 | 0.40 to 2.66 | 0.96 | 0.44 to 2.09 | ||
| #cases/controls | 286/6376 | 8/466 | 10/277 | 5/92 | 8/103 | ||||||
| Dead control * | All non-vascular to non-respiratory deaths and non-alcohol related deaths* | Men | 1 | 0.59 | 0.46 to 0.75 | 0.58 | 0.47 to 0.72 | 0.58 | 0.46 to 0.74 | 0.67 | 0.53 to 0.83 |
| #cases/controls | 514/2249 | 99/623 | 139/841 | 102/581 | 131/585 | ||||||
| Women | 1 | 0.79 | 0.52 to 1.20 | 0.88 | 0.48 to 1.61 | 0.63 | 0.31 to 1.25 | 1.05 | 0.67 to 1.65 | ||
| #cases/controls | 374/3650 | 30/236 | 14/82 | 10/74 | 28/122 | ||||||
| Ever-smoker | 1 | 0.67 | 0.54 to 0.84 | 0.62 | 0.51 to 0.77 | 0.60 | 0.47 to 0.75 | 0.73 | 0.59 to 0.90 | ||
| #cases/controls | 602/1890 | 121/604 | 143/761 | 107/583 | 151/600 | ||||||
| Never-smoker | 1 | 0.38 | 0.18 to 0.78 | 0.67 | 0.34 to 1.30 | 0.68 | 0.27 to 1.72 | 0.74 | 0.35 to 1.56 | ||
| #cases/controls | 286/4009 | 8/255 | 10/162 | 5/72 | 8/107 | ||||||
†All models were adjusted for age, sex, education, physical activity, physical activity in longest held occupation and smoking, except in cases where stratified results are presented for a co-variable or co-variables.
* excludes deaths coded as ICD-9 11, 18, 140, 141, 143–146, 148, 149, 150, 155, 161, 174, 390–519, 571