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

BMC Public Health

Table 4 UVB in association with crude incidence of CRC: over 75 years of age, controlling for covariates

Covariate	Regression Coefficient	Standard Error	t	p-value
UV B estimate ^a	− 1.02	0.21	− 4.87	< 0.001
Stratospheric Ozone^b	−0.96	0.21	−0.68	0.49
Urbanization^c	0.28	0.35	0.83	0.41
Pigmentation^d	−15.11	9.83	−1.54	0.13
GDP^e	0.001	< 0.001	2.82	0.006
Life Expectancy^f	0.005	0.006	0.81	0.42
Smoking^g	0.49	0.92	0.54	0.59
Animal Consumption^h	0.76	0.31	2.47	0.02
Intercept	329.3	67.29	4.89	< 0.001

(Model R² = 0.71; p < 0.001); ^aNASA TOMS Satellite package. ^bBeckman et al. ^cChristenson E et al. [22]. ^dJablonski et al. [21]. ^e,fThe World Bank. ^gInstitute for Health Metrics and Evaluation (IHME). ^hThe Food and Agricultural Organization of the United Nations (FAO)

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