From: Physical activity and renal cell carcinoma among black and white Americans: a case-control study
Black | White | p for interaction | |||||
---|---|---|---|---|---|---|---|
Controls, no. (%)a | Cases, no. (%)a | Odds ratio (95% CI)b | Controls, no. (%)a | Cases, no. (%)a | Odds ratio (95% CI)b | ||
Physical activity during age 20’s | |||||||
Walking or biking for transportation, hr/wk | 0.17 | ||||||
<1 | 122 (24) | 89 (25) | 1.06 (0.73, 1.53) | 232 (32) | 335 (39) | 1.42 (1.10, 1.83) | |
1-7 | 150 (29) | 102 (28) | 1.00 (0.72, 1.38) | 273 (40) | 307 (36) | 1.06 (0.80, 1.39) | |
>7 | 243 (47) | 165 (46) | ref | 198 (28) | 212 (25) | ref | |
p trend | 0.77 | 0.01 | |||||
Moderate to strenuous leisure time activity, hr/wk | 0.57 | ||||||
<1 | 94 (16) | 65 (18) | 1.16 (0.79, 1.71) | 100 (14) | 134 (16) | 1.10 (0.81, 1.48) | |
1-7 | 193 (35) | 131 (37) | 1.10 (0.79, 1.53) | 352 (50) | 412 (48) | 0.98 (0.78, 1.25) | |
>7 | 230 (48) | 161 (44) | ref | 155 (36) | 307 (36) | ref | |
p trend | 0.41 | 0.65 | |||||
Moderate to strenuous work activity, hr/wk | 0.68 | ||||||
<1 | 119 (19) | 65 (19) | 1.07 (0.68, 1.67) | 232 (34) | 283 (32) | 1.05 (0.81, 1.36) | |
1-10 | 95 (18) | 79 (21) | 1.18 (0.82, 1.70) | 134 (19) | 159 (19) | 1.05 (0.74, 1.48) | |
11-20 | 53 (11) | 29 (9) | 0.75 (0.44, 1.30) | 88 (12) | 73 (9) | 0.71 (0.50, 1.02) | |
>20 | 202 (43) | 155 (43) | ref | 208 (29) | 271 (32) | ref | |
p trend | 0.96 | 0.45 | |||||
Total activity scorec | 0.07 | ||||||
2-4 | 80 (13) | 42 (12) | 1.14 (0.68, 1.92) | 118 (17) | 168 (19) | 1.35 (0.91, 2.01) | |
5-6 | 135 (24) | 99 (28) | 1.37 (0.94, 2.00) | 243 (35) | 297 (35) | 1.16 (0.84, 1.63) | |
7-8 | 141 (31) | 113 (32) | 1.24 (0.84, 1.82) | 236 (34) | 266 (32) | 0.97 (0.71, 1.33) | |
9-10 | 159 (32) | 99 (28) | ref | 103 (14) | 119 (15) | ref | |
p trend | 0.30 | 0.06 | |||||
Physical activity during age 50’s | |||||||
Walking or biking for transportation, hr/wk | 0.17 | ||||||
<1 | 134 (38) | 95 (36) | 0.78 (0.50, 1.22) | 249 (47) | 305 (48) | 0.98 (0.67, 1.45) | |
1-7 | 133 (39) | 96 (37) | 0.79 (0.51, 1.24) | 212 (41) | 235 (38) | 0.90 (0.60, 1.34) | |
>7 | 78 (22) | 68 (27) | ref | 66 (13) | 80 (13) | ref | |
p trend | 0.31 | 0.83 | |||||
Moderate to strenuous leisure time activity, hr/wk | 0.21 | ||||||
<1 | 80 (24) | 61 (23) | 0.84 (0.50, 1.43) | 72 (13) | 120 (19) | 1.49 (1.00, 2.20) | |
1-7 | 159 (43) | 113 (44) | 1.06 (0.68, 1.65) | 295 (55) | 316 (50) | 0.95 (0.72, 1.25) | |
>7 | 107 (32) | 85 (32) | ref | 158 (32) | 185 (30) | Ref | |
p trend | 0.58 | 0.09 | |||||
Moderate to strenuous work activity, hr/wk | 0.71 | ||||||
<1 | 98 (27) | 60 (23) | 0.86 (0.56, 1.32) | 197 (37) | 226 (36) | 0.98 (0.73, 1.31) | |
1-10 | 67 (19) | 55 (21) | 1.19 (0.70, 2.01) | 122 (23) | 111 (18) | 0.72 (0.50, 1.04) | |
11-20 | 36 (12) | 17 (6) | 0.53 (0.28, 1.01) | 51 (10) | 53 (8) | 0.79 (0.50, 1.23) | |
>20 | 115 (34) | 86 (34) | ref | 121 (22) | 159 (26) | ref | |
p trend | 0.89 | 0.88 | |||||
Total activity scorec | 0.14 | ||||||
2-4 | 82 (22) | 63 (24) | 1.03 (0.58, 1.84) | 133 (24) | 180 (28) | 1.50 (0.95, 2.41) | |
5-6 | 104 (31) | 53 (33) | 1.01 (0.57, 1.77) | 220 (40) | 222 (36) | 1.21 (0.76, 1.92) | |
7-8 | 102 (30) | 66 (26) | 0.93 (0.55, 1.57) | 142 (27) | 171 (29) | 1.29 (0.80, 2.10) | |
9-10 | 55 (17) | 44 (17) | ref | 48 (9) | 45 (8) | ref | |
p trend | 0.79 | 0.12 |