Table 3.

adjusted predictors of mortality in the first 28 days of life in from the best model that fits the data well (Weibull model)

Characteristic	level	AHR	P-value	95% confidence interval
Gestational age	≥ 37 weeks (term infant)	1
	< 37 weeks (preterm infant)	1.12	0.098	0.98	1.29
Kangaroo Mother Care	No	1		1
	Yes	0.59	<0.0001	0.54	0.65
Difficulty in feeding	No	1		1
	Yes	1.19	0.013	1.00	1.40
Diagnosis of sepsis	No	1		1
	Yes	0.77	<0.0001	0.71	0.84
Hypoxic Ischaemic Encephalopathy	No	1		1
	Yes	1.57	<0.0001	1.42	1.74
Mode of delivery	Caesarean section	1		1
	Vaginal	1.18	0.002	1.07	1.31
Birth weight (kilograms)	Per unit increase	0.82	<0.0001	0.78	0.86
ln_p*		-0.31	<0.0001	-0.3421979	0.2723112
p*		0.74		0.7102076	0.7616172

Goodness-of-fit test overall model (Likelihood ratio) Chi-square=336, df=7, p-value <0.00001, BIC=9359.56, AIC=9304.90

Key:P*= Ancillary shape parameter of the Weibull model, AHR= Adjusted Hazard Ratio, BIC=Bayesian Information Criterion, AIC=Akaike's Information Criterion, df=degrees of freedom