Table 4.

Multivariate decomposition results showing the change in age at first marriage among reproductive-aged women in India, 1992–2021.

Background Characteristics	Due to difference in Characteristics (E)				Due to difference in Coefficients (C)
	Coef.	SE	P-value	Percent Contribution	Coef.	SE	P-value	Percent Contribution
Age				10.2				45.3
15–19
20–24	0.089	0.002	0.000	−4.0	0.092	0.011	0.000	4.1
25–29	0.015	0.000	0.000	−0.7	0.181	0.012	0.000	8.2
30–34	0.024	0.000	0.000	1.1	0.194	0.010	0.000	8.7
35–39	0.080	0.001	0.000	3.6	0.193	0.009	0.000	8.7
40–44	0.075	0.001	0.000	3.4	0.162	0.007	0.000	7.3
45–49	0.150	0.002	0.000	6.8	0.181	0.006	0.000	8.2
Education				35.7				−15.9
No Education
Primary	0.015	0.001	0.000	−0.7	0.136	0.007	0.000	−6.1
Secondary	0.468	0.004	0.000	21.2	0.174	0.008	0.000	−7.8
Higher	0.336	0.002	0.000	15.2	0.042	0.003	0.000	−1.9
Mass Media				0.9				−11.1
No
Any	0.021	0.003	0.000	0.9	−0.245	0.050	0.000	−11.1
Caste				1.6				−10.7
SC
ST	0.040	0.001	0.000	1.8	−0.013	0.007	0.048	−0.6
Others	0.005	0.002	0.025	−0.2	0.223	0.030	0.000	−10.1
Religion				−0.3				−1.3
Hindu
Muslim	0.007	0.000	0.000	−0.3	0.078	0.004	0.000	3.5
Christian	0.000	0.000	0.000	0.0	−0.083	0.004	0.000	−3.7
Others	0.001	0.000	0.000	0.0	0.023	0.003	0.000	−1.0
Wealth Index				−1.5				−32.5
Poorest
Poorer	0.013	0.001	0.000	−0.6	0.090	0.007	0.000	−4.1
Middle	0.003	0.000	0.000	−0.1	0.142	0.009	0.000	−6.4
Richer	0.001	0.001	0.222	0.0	0.219	0.011	0.000	−9.9
Richest	0.019	0.002	0.000	−0.9	0.268	0.015	0.000	−12.1
Residence				−0.8				−11.6
Urban
Rural	0.019	0.001	0.000	−0.8	0.257	0.059	0.000	−11.6
State Regions				−0.6				8.7
East
West	0.011	0.000	0.000	−0.5	0.051	0.006	0.000	−2.3
North	0.027	0.001	0.000	−1.2	0.123	0.010	0.000	5.5
South	0.008	0.000	0.000	−0.4	0.034	0.008	0.000	−1.5
Central	0.003	0.001	0.000	0.2	0.123	0.008	0.000	5.5
Northeast	0.029	0.000	0.000	1.3	0.032	0.006	0.000	1.5
Constant					1.858	0.1065	0.000	84.0
Total				45.0				55.0