Table 4.

Risk of breast cancer according to current and prior (15-20 y ago) sunbathing habits

Current sunbathing habitsPrior sunbathing habits
ControlsCasesControlsCases
No. (%)No. (%)RR (95% CI)No. (%)No. (%)RR (95% CI)
Sunbathing habits
    Rarely60 (15)17 (12)Reference48 (12)21 (15)Reference
    Sometimes249 (60)89 (65)1.26 (0.70-2.28)270 (66)88 (64)0.75 (0.43-1.31)
    Often106 (25)32 (23)1.07 (0.55-2.08)90 (22)29 (21)0.74 (0.38-1.43)
    P-trend0.970.43

NOTE: Number of cases and controls in each sunbathing category and RR with 95% CI.