Table 1. Exposure parameters in prostate cancer, male basal cell carcinoma patients and benign prostatic hypertrophy patients.
| Prostate cancer (n=528) | Basal cell carcinoma (n=442) | Benign prostatic hypertrophy (n=365) | |
|---|---|---|---|
| Age (years) | 70.2±7.72 (range 35–91) | 68.8±10.33 (range 32–90) | 66.8±8.10 (range 46–86) |
| Skin type a | |||
| 1 (never tans) | 29 (5.5%) | 62 (14.0%) | 32 (8.8%) |
| 2 | 152 (28.8%) | 158 (35.8%) | 109 (29.9%) |
| 3 | 234 (44.3%) | 192 (43.4%) | 165 (45.2%) |
| 4 (readily tans) | 113 (21.4%) | 30 (6.8%) | 59 (16.2%) |
| Foreign holiday b | |||
| No/Yes | 427/101 | 117/325 | 251/114 |
| Childhood sunburn c | |||
| No/Yes | 480/48 | 280/162 | 278/87 |
| Sunbathing | |||
| Never | 201 (38.1%) | 80 (18.1%) | 61 (16.7%) |
| Rarely | 214 (40.5%) | 172 (38.9%) | 140 (38.4%) |
| Occasional/frequent | 113 (21.4%) | 190 (43.0%) | 164 (44.9%) |
| Average daily sun exposured | 3.63±1.66 | 4.63±2.02 | 4.36±1.69 |
| Average weekday exposured | 3.35±2.00 | 4.08±2.40 | 4.06±2.20 |
| Average weekend exposured | 3.91±1.71 | 5.19±2.07 | 4.66±1.69 |
± Represents s.d.
a
Numbers of patients.
b
Defined as one or more foreign holidays in a sunny climate per year for 10 years.
c
Childhood sunburn represents one or more episodes of skin blistering or sunburn lasting more than 48 h.
d
Hours per day.