Relationship of family formation characteristics with unsafe abortion: is it confounded by women’s socio-economic status? - A case–control study from Sri Lanka

Table 1 Risk factors of unsafe abortion in relation to socio-economic status among women with unintended pregnancies

Socio-economic status	Cases		Controls		Crude OR (95 % CI)	Adjusted OR (95 % CI)^b
	N = 171^a		N = 600^a
	No.	%	No.	%
Secondary education
Not completed	115	67.6 %	332	55.5 %	1.7 (1.2–2.4)	1.5 (1.1–2.4)
Completed (Reference)	55	32.4 %	266	44.5 %	1.00	1.00
Type of current employment
Unskilled/Less skilled	52	30.6 %	80	13.5 %	2.9 (1.9–4.3)	2.3 (1.4–3.6)
Skilled	16	9.4 %	62	10.5 %	1.1 (0.6–2.0)	1.3 (0.7–2.4)
None (Reference)	102	60.0 %	451	76.0 %	1.00	1.00
Secondary education of partner
Not completed	89	59.7 %	308	52.1 %	1.4 (0.9–1.9)	-
Completed (Reference)	60	40.3 %	283	47.9 %	1.00
Partner currently employed^c
No	5	3.1 %	3	0.5 %	6.3 (1.5–26.3)
Yes (Reference)	158	96.9 %	596	99.5 %	1.00	-
Type of occupation of partner^c,d
Unskilled/Less skilled	64	66.7 %	202	58.2 %	1.4 (0.9–2.3)	-
Skilled (Reference)	32	33.3 %	145	41.8 %	1.00

^aIn some variables, row values do not add up to the total cases and controls due to missing data
^bAdjusted OR (odds ratio) obtained from the logistic regression analysis using education level, employment, marital status, primi, informed decision on family size and having a female child as the independent variables; cases (unsafe abortion) and controls (unintended term pregnancy) as dependent variable
^cNot included in the logistic regression model, as the variable either refers to only a sub-set of the sample or has smaller numbers (<10) in one category
^dCalculated, for the employed

ISSN: 1742-4755