Table 1. Baseline demographic characteristics of cases and controls.
| Cases (n=431) | Controls (n=409) | OR (95% CI) | |
|---|---|---|---|
| Mean age at diagnosisa (years) | 55.11 | 54.42 | 1.05 (1.01–1.08) |
| Social class based on occupation | |||
| I | 33 (8.8%) | 32 (8.6%) | 1.00 |
| II | 140 (37.1%) | 163 (43.9%) | 0.83 (0.49–1.42) |
| IIINM | 41 (10.9%) | 38 (10.2%) | 1.05 (0.54–2.02) |
| IIIM | 114 (30.2%) | 92 (24.8%) | 1.20 (0.69–2.10) |
| IV | 31 (8.2%) | 28 (7.5%) | 1.07 (0.53–2.17) |
| V | 9 (2.4%) | 6 (1.6%) | 1.46 (0.46–4.56) |
CI=confidence interval; OR=odds ratio.
a
For controls this corresponds to matched case patient's age at first diagnosis of prostate cancer.