Table III.
Relative risks of BCC, SCC, and melanoma stratified by ethnicity, sex, and age
| Demographics | BCC |
SCC |
Melanoma |
|||
|---|---|---|---|---|---|---|
| Cases | RR∗ | Cases | RR | Cases | RR | |
| Ethnicities | ||||||
| Chinese | 7039 | 1.00 | 3212 | 1.00 | 555 | 1.00 |
| Malay | 322 | 0.05 | 176 | 0.08 | 66 | 0.12 |
| Indian | 127 | 0.02 | 105 | 0.05 | 20 | 0.03 |
| Sex | ||||||
| Women | 4187 | 1.00 | 1472 | 1.00 | 338 | 1.00 |
| Men | 4180 | 0.94 | 2126 | 1.60 | 389 | 0.90 |
| Age groups (y) | ||||||
| <40 | 342 | 1.00 | 64 | 1.00 | 111 | 1.00 |
| 40-49 | 822 | 2.23 | 177 | 2.58 | 100 | 0.84 |
| 50-59 | 1360 | 4.40 | 431 | 6.69 | 137 | 1.18 |
| 60-69 | 2009 | 6.92 | 712 | 11.51 | 152 | 1.43 |
| 70+ | 3826 | 14.77 | 2206 | 40.39 | 227 | 2.34 |
BCC, Basal cell carcinoma; RR, relative risk; SCC, squamous cell carcinoma.
∗
P values for all RR were <.0001 (95% confidence intervals are not shown because the differences were beyond the second decimal places for the estimates).