Table 3
Odds ratios (95% CIs) for non-melanoma skin, female breast, ovarian, prostate, and colon cancer mortality associated with occupational exposure to sunlight by residential* region and level of physical activity,† adjusted for age, sex, race, socioeconomic status, and physical activity
| Occupational exposure to sunlight | Residence: low sunlight OR (95% CI) | Residence: medium sunlight OR (95% CI) | Residence: high sunlight OR (95% CI) | Low physical activity OR (95% CI) | High physical activity |
|---|---|---|---|---|---|
| *Region is as identified in table 1; †low physical activity includes those jobs described as sedentary or involving low physical activity, whereas high physical activity includes those jobs described as involving moderate or high physical activity. | |||||
| Non-melanoma skin cancer: | |||||
| Inside | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 |
| Mixed | 1.02 (0.86 to 1.21) | 1.03 (0.91 to 1.18) | 0.97 (0.82 to 1.14) | 0.92 (0.82 to 1.03) | 1.03 (0.93 to 1.14) |
| Outside | 1.24 (0.92 to 1.67) | 1.41 (1.14 to 1.76) | 1.19 (0.91 to 1.54) | 1.39 (0.83 to 2.33) | 1.25 (1.10 to 1.42) |
| Farmer | 0.84 (0.60 to 1.18) | 1.20 (0.97 to 1.49) | 1.26 (0.94 to 1.69) | – | 1.08 (0.94 to 1.24) |
| Female breast cancer: | |||||
| Inside | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 |
| Mixed | 1.05 (0.93 to 1.19) | 0.92 (0.83 to 1.03) | 1.09 (0.95 to 1.25) | 0.90 (0.83 to 0.97) | 1.19 (1.09 to 1.30) |
| Outside | 0.94 (0.64 to 1.41) | 0.87 (0.65 to 1.17) | 0.75 (0.55 to 1.03) | 0.90 (0.56 to 1.44) | 0.82 (0.69 to 0.98) |
| Farmer | 1.24 (0.83 to 1.86) | 0.78 (0.58 to 1.04) | 0.90 (0.65 to 1.24) | – | 0.89 (0.75 to 1.06) |
| Ovarian cancer: | |||||
| Inside | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 |
| Mixed | 0.95 (0.81 to 1.12) | 1.03 (0.90 to 1.18) | 1.14 (0.96 to 1.36) | 0.92 (0.83 to 1.01) | 1.16 (1.03 to 1.30) |
| Outside | 1.14 (0.70 to 1.87) | 1.17 (0.80 to 1.71) | 0.55 (0.33 to 1.91) | 1.49 (0.86 to 2.58) | 0.87 (0.68 to 1.10) |
| Farmer | 1.36 (0.81 to 2.29) | 1.07 (0.72 to 1.61) | 1.14 (0.75 to 1.74) | – | 1.07 (0.85 to 1.36) |
| Prostate cancer: | |||||
| Inside | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 |
| Mixed | 1.03 (0.97 to 1.09) | 0.96 (0.91 to 1.00) | 1.02 (0.96 to 1.08) | 0.98 (0.95 to 1.02) | 1.04 (1.01 to 1.08) |
| Outside | 1.04 (0.93 to 1.15) | 1.04 (0.96 to 1.14) | 0.95 (0.86 to 1.04) | 1.02 (0.83 to 1.26) | 1.01 (0.97 to 1.06) |
| Farmer | 1.28 (1.16 to 1.42) | 1.21 (1.12 to 1.31) | 1.01 (0.91 to 1.12) | – | 1.18 (1.12 to 1.24) |
| Colon cancer: | |||||
| Inside | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 |
| Mixed | 1.01 (0.97 to 1.06) | 0.94 (0.90 to 0.98) | 1.00 (0.95 to 1.06) | 0.94 (0.91 to 0.97) | 1.00 (0.97 to 1.04) |
| Outside | 0.99 (0.90 to 1.09) | 0.92 (0.85 to 1.00) | 0.81 (0.74 to 0.90) | 0.92 (0.76 to 1.12) | 0.89 (0.85 to 0.93) |
| Farmer | 1.09 (0.99 to 1.21) | 1.04 (0.97 to 1.11) | 1.06 (0.95 to 1.17) | – | 1.01 (0.97 to 1.06) |
