Is Month of Birth a Risk Factor for Colorectal Cancer?

Table 1

The interactions between these terms and status are demonstrated. Only the sine curve with period of 1 year and its interaction with status were significant.

Coefficients	Estimate	Error value	value
(Intercept)	3.99	0.027	143.642	<0.001
CRMCRC	−0.22	0.045	−5.334	<0.001
s1	0.05	0.039	1.475	0.140
CRMCRC:s1	−0.13	0.058	−2.234	0.026

CRMCRC: Colorectal Malignancy (CRC in text) CRControls.
s1 = sine term with period of 1 year.