Relationship between Latitude and Melanoma in Italy

Table 2

Crude and adjusted Mortality Rate Ratio (MRR) and 95% confidence intervals for malignant melanoma for selected variables.

Variable	Crude MRR, 95% CI		Adjusted^⋀ MRR, 95% CI
Sex
Female	1.000		1.000
Male	1.276	1.154–1.410	1.587	1.434–1.755
Age (years)
0–44	1.000		1.000
45–59	4.707	3.893–5.690	4.699	3.887–5.681
60–74	9.855	8.289–11.716	9.993	8.405–11.882
75+	19.792	16.672–23.495	21.024	17.695–24.979
Mean provincial Income 2002	1.008	1.006–1.011	1.004	1.002–1.007
Mammography 2000 (%)	1.019	1.013–1.025
Blond hair 1859–63 (%)	1.032	1.023–1.041	1.025	1.014–1.035
Latitude (increasing degrees)	1.115	1.083–1.147

^⋀Multivariate Poisson model including sex, age, mean provincial 2002 income, and % blond hair. LR chi2(6) = 1844.91. Pseudo 𝑅² = 0.7621.