Table 2 Comparison of sociodemographic characteristics, lifestyle, and disease history between clear cell RCC patients and non-RCC controls.
Variables | Clear cell RCC cases (N = 281) | Controls (N = 689) | Age-gender adjusted ORs (95% CI) |
|---|---|---|---|
Age | 58.78 (49.00, 69.00) | 59.00 (51.00, 71.00) a | 0.99 (0.98–1.00) |
Gender | |||
Male | 185 (66.84) | 442 (64.15) b | 1.00 |
Female | 96 (34.16) | 247 (35.85) | 0.93 (0.69–1.124) |
Educational level | |||
Illiterate/elementary school | 63 (22.42) | 133 (19.36) b, * | 1.00§,** |
Junior/senior high school | 105 (37.37) | 231 (33.62) | 0.85 (0.57–1.26) |
College and above | 113 (40.21) | 323 (47.02) | 0.60 (0.40–0.91)* |
College and above vs. high school and below | 0.67 (0.44–0.91)* | ||
Cumulative cigarette smoking (pack year) | 0.00 (0.00, 16.75) | 0.00 (0.00, 6.00) a,+ | 1.01 (1.00–1.02)* |
Alcohol consumption | |||
Never | 214 (76.16) | 410 (59.51) b, *** | 1.00§,*** |
Frequently | 53 (18.86) | 115 (16.69) | 0.77 (0.53–1.13) |
Occasional | 14 (4.98) | 164 (23.80) | 0.15 (0.08–0.26)*** |
Frequently and Occasional | 67 (23.84) | 279 (40.49) | 0.40 (0.29–0.56)*** |
Coffee consumption | |||
Never | 183 (65.36) | 322 (46.74) b, *** | 1.00§,*** |
Frequently | 74 (26.43) | 180 (26.12) | 0.70 (0.50–0.97)* |
Occasional | 23 (8.21) | 187 (27.14) | 0.22 (0.14–0.35)*** |
Frequently and Occasional | 97 (34.64) | 367 (43.26) | 0.45 (0.34–0.61)*** |
Tea consumption | |||
Never | 144 (51.43) | 229 (33.24) b, *** | 1.00§,*** |
Frequently | 113 (40.36) | 283 (41.07) | 0.61 (0.45–0.83)** |
Occasional | 23 (8.21) | 177 (25.69) | 0.21 (0.13–0.33)*** |
Frequently and Occasional | 136 (48.57) | 460 (66.76) | 0.45 (0.34–0.60)*** |
Diabetes | |||
No | 222 (79.29) | 632 (92.13) b, *** | 1.00 |
Yes | 58 (20.71) | 54 (7.87) | 3.30 (2.20–4.97)*** |
Hypertension | |||
No | 150 (53.58) | 514 (74.93) b, *** | 1.00 |
Yes | 131 (46.62) | 172 (25.07) | 2.93 (2.16–3.97)*** |