Measuring and explaining changing patterns of inequality in institutional deliveries between urban and rural women in Ghana: a decomposition analysis

Table 2 Decomposition estimates

	a: Combined Data		b: 2003 Data		c: 2008 Data		d: 2014 Data
	Coefficient	Percentage	Coefficient	Percentage	Coefficient	Percentage	Coefficient	Percentage
	Oaxaca Decomposition: Weight = 1
Explained Component	0.234^a	72.3	0.306^a	65.3	0.300^a	75.3	0.192^a	68.9
Unexplained Component	0.136^a	42	0.159^a	34	0.204^a	51.1	0.122^a	43.7
Interaction	−0.046	−14.3	0.003	0.7	−0.105^a	−26.4	− 0.035	−12.6
Total	0.324^a	100	0.468^a	100	0.399^a	100	0.278	100
	Blinder Decomposition: Weight = 0
Explained Component	0.189^a	58.1	0.309^a	66	0.195^a	48.9	0.156^a	56.2
Unexplained Component	0.089^a	27.6	0.162^a	34.7	0.099^a	24.7	0.087^a	31.1
Interaction	0.046	14.3	−0.003	−0.7	0.105	26.4	0.035	12.6
Total	0.324^a	100	0.468^a	100	0.399^a	100	0.278	100
Explained Component	Reimers Decomposition: Weight = 0.5
Explained Component	0.214^a	66.3	0.319^a	68.2	0.254^a	63.6	0.177^a	63.7
Advantage	0.038^a	11.8	0.071^a	15.2	0.043^a	10.7	0.035^a	12.4
Disadvantage	0.071^a	21.9	0.077^a	16.6	0.102^a	25.6	0.067^a	23.9
Total	0.324^a	100	0.468^a	100	0.399^a	100	0.278	100
	Cotton Decomposition
	Weight = 0.60		Weight = 0.68		Weight = 0.66		Weight = 0.57
Explained Component	0.209^a	64.7	0.318^a	67.95	0.237^a	59.4	0.174^a	62
Advantage	0.029^a	9.1	0.043^a	9.1	0.029^a	7.3	0.028^a	10
Disadvantage	0.085^a	26.2	0.108^a	22.9	0.133^a	33.3	0.077^a	28
Total	0.324^a	100	0.468^a	100	0.399^a	100	0.278^a	100

ISSN: 1475-9276