Prediction of cyanotic and acyanotic congenital heart disease using machine learning models

Table 2 Multivariate logistic regression models by using stepwise selection approach

Variable	Categories4	SLR		SLRAD
		OR	95%CI	OR	95%CI
(Intercept)	-	2.006	0.300-13.400	0.000	-
History	Yes	0.5511	0.463-0.656	0.5411	0.454-0.646
Fast food	Yes	1.2892	1.027-1.618	1.3312	1.056-1.677
Staple food	Yes	0.7943	0.609-1.034	0.803	0.615-1.049
Nutrition	Normal	0.668	0.345-1.294	0.698	0.382-1.273
	Poor	0.6212	0.409-0.942	0.5711	0.382-0.853
Children	-	1.3681	1.267-1.476	1.3651	1.264-1.473
Family income	< 20000	0.2761	0.124-0.614	0.2631	0.118-0.588
	10000 to 20000	0.3962	0.181-0.866	0.3902	0.177-0.857
Mother education	Master or higher	0.000	0-2.96E+163	0.998	-
	Primary/middle	0.474	0.129-1.744	3.96E+05	-
	Secondary/higher	0.781	0.208-2.933	7.09E+05	-
	Uneducated	0.3003	0.082-1.106	2.58E+05	-
Father’s education	Master or higher	0.391	0.053-2.907	0.000	-
	Primary/middle	1.984	0.779-5.053	2.6303	0.907-7.624
	Secondary/higher	1.950	0.775-4.909	2.5993	0.902-7.489
	Uneducated	6.2211	2.395-16.160	8.5161	2.875-25.225
Father’s occupation	Dead/unemployed	0.672	0.101-4.478	8.65E+05	-
	Labour/former	0.3362	0.123-0.914	0.736	0.196-2.768
	Private job	0.0821	0.026-0.259	0.1451	0.035-0.611
	Small business	0.465	0.168-1.292	0.986	0.259-3.761
Dwelling area	Urban	0.5821	0.478-0.710	0.5541	0.453-0.678
Partner interaction	Normal	1.060	0.583-1.927	-	-
	Poor	0.732	0.496-1.081	-	-
Quality of health care facilities	Normal	0.4682	0.25-0.878	0.4091	0.226-0.743
	Poor	0.682	0.421-1.104	0.5031	0.316-0.802
Housing tenure	Rented	0.5112	0.276-0.946	0.4372	0.227-0.841
Housing condition	Normal	1.4982	1.053-2.131	1.5542	1.086-2.225
	Poor	2.8521	2.04-3.987	3.0041	2.136-4.225

¹Significance at 1%;

²Significant at 5%;

³Significant at 10%.

⁴Reference categories are: Family history “no”, use of fast food “no”, use of staple food “no”, nutrition “good”, partner interaction “good”, quality of health care facilities “good”, housing condition “good”, family income “< 10000”, father’s education “primary/middle”, father’s occupation “civil servant”, and housing tenure “owned”.