Table 1. The results of the complementary log regression for Example 1.

Variables	Regression coefficients	95% confidence interval	P (two-sided)
Intercept	0.0446	0.0348, 0.0545	<0.0001
Age	0.1142	0.0815, 0.1469	<0.0001
BMI	0.0724	0.0514, 0.0934	<0.0001
Age × BMI	0.0866	0.0335, 0.1397	0.0014