Table 5. Odds ratio estimates from multiple logistic models with only significant and independent risk factors and terms for age by tumour type.
CMM | SCC | BCC | |
---|---|---|---|
Hair colour | |||
Dark | 1 | 1 | 1 |
Brown | 2.3 | 2.0 | 1.6 |
(1.42–3.56) | (1.18–3.25) | (1.07–2.52) | |
Blonde | 2.3 | 2.4 | 2.3 |
(1.27–4.26) | (1.26–4.64) | (1.32–3.94) | |
Light blonde/Red | 1.8 | 2.1 | 2.6 |
(0.85–3.75) | (0.97–4.67) | (1.39–5.02) | |
Eyes colour | |||
Dark | 1 | 1 | 1 |
Green | 2.6 | NS | 2.6 |
(1.56–4.35) | (1.63–4.13) | ||
Tendency to tan | |||
Tan | 1 | 1 | 1 |
No Tan | NS | 2.6 | NS |
(1.62–4.04) | |||
Number of naevi (Chart) | |||
No moles | 1 | 1 | 1 |
Some | 2.3 | NS | NS |
(1.46–3.80) | |||
Several | 8.7 | NS | NS |
(4.52–16.71) | |||
Freckles | |||
None | 1 | 1 | 1 |
Some/Several | 2.1 | NS | NS |
(1.37–3.35) | |||
Lifelong sunburns | |||
Never | 1 | 1 | 1 |
Sometimes | NS | NS | 1.4 |
(1.01–2.42) | |||
Often | NS | NS | 1.7 |
(1.01–2.82) | |||
Holidays at the beach (No. of weighted hours in a lifetime) | |||
<7000 | 1 | 1 | 1 |
7000+ | 2.6 | NS | 2.1 |
(1.14–5.71) | (1.09–3.95) | ||
Outdoor work (No. of weighted hours in a lifetime) | |||
<6000 | 1 | 1 | 1 |
6000+ | NS | 2.2 | NS |
(1.24–4.06) |
NS, not included in the multiple logistic model since not significant.