Table 6.
Adjusted odds ratios for renal cell carcinoma by age-decade: Cigarette smoking (pack-years) and home ETS (years)
| Cigarette smoking (pack-years)a | Home ETS (years)b | |||||
| Cases (%) | Controls (%) |
AOR (95% CI)c |
Cases (%) | Controls (%) |
AOR (95% CI)c |
|
| 40 – 49 years | ||||||
| Reference | 14 (56%) | 18 (47%) | 1.00 | 5 (36%) | 5 (28%) | 1.00 |
| Level 1 | 6 (24%) | 14 (37%) | 0.48 (0.13 – 1.70) | 6 (43%) | 8 (44%) | 0.85 (0.15 – 5.01) |
| Level 2 | 5 (20%) | 6 (16%) | 1.26 (0.29 – 5.55) | 3 (21%) | 5 (28%) | 0.83 (0.11 – 6.27) |
| Total | 25 (100%) | 38 (100%) | 14 (100%) | 18 (100%) | ||
| 50 – 59 years | ||||||
| Reference | 22 (35%) | 23 (36%) | 1.00 | 5 (23%) | 7 (30%) | 1.00 |
| Level 1 | 12 (19%) | 21 (33%) | 0.69 (0.26 – 1.78) | 10 (46%) | 13 (57%) | 0.66 (0.14 – 3.11) |
| Level 2 | 29 (46%) | 20 (31%) | 1.61 (0.69 – 3.79) | 7 (32%) | 3 (13%) | 2.20 (0.30 – 15.94) |
| Total | 63 (100%) | 64 (100%) | 22 (100%) | 23 (100%) | ||
| 60 – 69 years | ||||||
| Reference | 40 (37%) | 29 (30%) | 1.00 | 13 (33%) | 7 (25%) | 1.00 |
| Level 1 | 26 (24%) | 33 (34%) | 0.57 (0.28 – 1.15) | 10 (25%) | 14 (50%) | 0.35 (0.08 – 1.49) |
| Level 2 | 42 (39%) | 36 (37%) | 0.84 (0.43 – 1.64) | 17 (43%) | 7 (25%) | 1.17 (0.28 – 4.94) |
| Total | 108 (100%) | 98 (100%) | 40 (100%) | 28 (100%) | ||
| 70 – 79 years | ||||||
| Reference | 32 (34%) | 32 (40%) | 1.00 | 6 (19%) | 12 (38%) | 1.00 |
| Level 1 | 23 (24%) | 21 (26%) | 1.06 (0.49 – 2.31) | 6 (19%) | 11 (34%) | 1.17 (0.28 – 4.97) |
| Level 2 | 40 (42%) | 28 (35%) | 1.32 (0.64 – 2.71) | 20 (63%) | 9 (28%) | 6.29 (1.50 – 26.29) |
| Total | 95 (100%) | 81 (100%) | 32 (100%) | 32 (100%) | ||
| ≥ 80 years | ||||||
| Reference | 21 (51%) | 22 (61%) | 1.00 | 6 (30%) | 7 (32%) | 1.00 |
| Level 1 | 9 (22%) | 9 (25%) | 0.90 (0.26 – 3.12) | 6 (30%) | 7 (32%) | 1.48 (0.24 – 9.14) |
| Level 2 | 11 (27%) | 5 (14%) | 2.18 (0.62 – 7.70) | 8 (40%) | 8 (36%) | 1.43 (0.30 – 6.86) |
| Total | 41 (100%) | 36 (100%) | 20 (100%) | 22 (100%) | ||
a Cigarette smoking
Reference: never-smoker
Level 1: ≤ 20 pack-years
Level 2: > 20 pack-years
b Home ETS
Reference: never exposed
Level 1: ≤ 20 years
Level 2: > 20 years
c Adjusted for gender, race, and BMI