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Table 1 Correlation between colorectal cancer crude incidence rate and ultraviolet B estimate for every age group

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

Age groups Spearman’s rank correlation rho p-value
0–14 years − 0.16 0.05
15–29 years − 0.16 0.049
30–44 years − 0.50 <  0.001
45–59 years − 0.68 <  0.001
60–74 years −0.70 <  0.001
>/= 75 years −0.69 <  0.001