Table 1 Distribution of 114 bladder cancer cases and 140 hospital controls according to socio-demographic characteristics and selected variables
From: Urinary human polyomavirus and papillomavirus infection and bladder cancer risk
Cases | Controls | ||
---|---|---|---|
n (%) | n (%) | OR (95% CI) a | |
Sex | |||
Men | 95 (83.3) | 114 (81.4) | |
Women | 19 (16.7) | 26 (18.6) | |
Age (years) | |||
<65 | 42 (36.8) | 50 (35.7) | |
65–74 | 43 (37.7) | 61 (43.6) | |
⩾75 | 29 (25.4) | 29 (20.7) | |
Education (years) | |||
<7 | 54 (47.4) | 71 (50.7) | Ref. |
7–11 | 40 (35.1) | 44 (31.4) | 1.27 (0.68–2.38) |
⩾12 | 20 (17.5) | 25 (17.9) | 1.12 (0.50–2.49) |
χ2 for trend | 0.19; P=0.66 | ||
Smoking habit | |||
Never | 15 (13.2) | 45 (32.1) | Ref. |
Former | 54 (47.4) | 77 (55.0) | 2.25 (1.10–4.60) |
Current | 45 (39.5) | 18 (12.9) | 9.15 (3.92–21.37) |
Intensity (cig per day)b | |||
<15 | 13 (11.4) | 8 (5.7) | 4.92 (1.64–14.73) |
⩾15 | 32 (28.1) | 10 (7.1) | 11.23 (4.00–31.53) |
χ2 for trend | 22.08; P<0.01 | ||
Drinking habit (drinks per week) | |||
<21 | 43 (37.7) | 65 (46.4) | Ref. |
⩾21 | 71 (62.3) | 75 (53.6) | 1.60 (0.87–2.95) |