Could age increase the strength of inverse association between ultraviolet B exposure and colorectal cancer?

BMC Public Health

Table 13 Modeled 25(OH) D in association with incidence of CRC in 30–44 years of age, controlling for covariates

Covariate	Regression Coefficient	Standard Error	t	p-value
Modeled 25(OH) D, ng/ml^a	−0.02	0.02	−1.23	0.22
Urbanization^b	0.02	0.01	1.63	0.11
GDP^c	< 0.001	< 0.001	3.20	0.002
Life Expectancy^d	< 0.001	< 0.001	0.25	0.80
Smoking^e	< 0.001	0.03	0.03	0.98
Animal Consumption^f	0.01	0.01	1.15	0.25
Intercept	3.14	1.25	2.52	0.01

Model R² = 0.37; p < 0.001; ^aMohr S, B, Gorham E, D, Garland C, F, Grant W, B, Garland F, C: Low Ultraviolet B and Increased Risk of Brain Cancer: An Ecological Study of 175 Countries. Neuroepidemiology 2010; 35:281–290. doi: https://doi.org/10.1159/000314350. ^bChristenson E et al. [22]. ^c,d The World Bank. ^eInstitute for Health Metrics and Evaluation (IHME). ^f The Food and Agricultural Organization of the United Nations (FAO)

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