Table 1.

Descriptive analysis of three predictor variables

variables	maximum	minimum	median	mean
IID	0.0030	0.0017	0.0022	0.0023
PCDPF_both	0.5371	0.1862	0.2043	0.2656
PCDPF_male	0.5289	0.1678	0.1864	0.2463
PCDPF_female	0.5423	0.2057	0.2250	0.2846
U5MR	0.0610	0.0078	0.0238	0.0289