Table 2.
Baseline Characteristics of Overall Cancer Cases and Their Matched Controls
| Characteristic | Control (n = 63,232)a | Case (n = 63,232) |
|---|---|---|
| Women, No. (%) | 21,910 (34.7) | 21,910 (34.7) |
| Age, mean (SD), y | 69 (10) | 69 (10) |
| Year, mean (SD) | 2010 (3) | 2010 (3) |
| Drinking history, No. (%)b | ||
| Never | 27,833 (44.0) | 25,353 (40.1) |
| Former | 7144 (11.3) | 8220 (13.0) |
| Current | 28,255 (44.7) | 29,659 (46.9) |
| Average drinks/d, mean (SD)b | 0.8 (1.0) | 0.9 (1.1) |
| Duration of drinking (continuous), mean (SD), yb | 23.5 (23.0) | 25.1 (22.8) |
| Duration of drinking (categorical), No. (%)b | ||
| Never | 27,833 (44.0) | 25,353 (40.1) |
| >0‐19 y | 2331 (3.7) | 2408 (3.8) |
| 20‐39 y | 10,077 (15.9) | 10,905 (17.2) |
| ≥40 y | 22,991 (36.4) | 24,566 (38.9) |
| Total amount of lifetime drinking (continuous), mean (SD), drink‐yb | 33.7 (44.9) | 38.1 (47.4) |
| Total amount of lifetime drinking (categorical), No. (%)b | ||
| Never | 27,833 (44.0) | 25,353 (40.1) |
| >0‐20 drink‐y | 4234 (6.7) | 4143 (6.6) |
| >20‐40 drink‐y | 7972 (12.6) | 7966 (12.6) |
| >40‐60 drink‐y | 10,847 (17.2) | 11,240 (17.8) |
| >60‐90 drink‐y | 5667 (9.0) | 6368 (10.1) |
| >90 drink‐y | 6679 (10.6) | 8162 (12.9) |
| Smoking history, No. (%)b | ||
| Never | 27,849 (44.0) | 24,247 (38.3) |
| Former | 21,641 (34.2) | 22,558 (35.7) |
| Current | 13,742 (21.7) | 16,427 (26.0) |
| Smoking, log(pack‐y), mean (SD)b | 1.8 (1.8) | 2.1 (1.8) |
| High occupational class, No. (%)b | 9167 (14.5) | 8715 (13.8) |
| Hypertension, No. (%) | 23,105 (36.5) | 23,286 (36.8) |
| Hyperlipidemia, No. (%)b | 7695 (12.2) | 7388 (11.7) |
| Diabetes, No. (%)b | 10,324 (16.3) | 9573 (15.1) |
| Hyperuricemia, No. (%)b | 2131 (3.4) | 1942 (3.1) |
| Obesity, No. (%) | 7601 (12.0) | 7596 (12.0) |
Abbreviation: SD, standard deviation.
a
Controls were matched for sex, age, admission date, and admitting hospital.
b
P < .05 for t test or chi‐square test.