Table 4. Standardized regression weights of parameters.

Endogenous variables	Exogenous variables	Estimate (β)	Lower	Upper
Fertility decision	Perceived behavior control	0.92	0.89	0.98
	Attitudes	0.83	0.78	0.87
	Subjective norm	0.64	0.59	0.69
Perceived behavior control	PC1	0.65	0.61	0.69
	PC2	0.64	0.60	0.68
	PC3	0.63	0.58	0.67
	PC4	0.76	0.72	0.79
	PC5	0.75	0.70	0.78
	PC6	0.77	0.73	0.79
Attitudes	Attitude1	0.66	0.62	0.71
	Attitude2	0.65	0.60	0.69
	Attitude3	0.82	0.78	0.85
	Attitude4	0.79	0.75	0.82
Subjective norm	SN1	0.73	0.68	0.78
	SN2	0.75	0.72	0.80
	SN3	0.54	0.46	0.59
Ethnic group	Subjective norm	-0.13	-0.18	-0.06
	Perceived behavior control	-0.04	-0.11	0.011
	Attitudes	0.00	-0.07	0.05
Education	Subjective norm	0.06	-0.02	0.17
	Perceived behavior control	0.20	0.14	0.27
	Attitudes	0.16	0.09	0.24
Wife's age at marriage	Subjective norm	-0.04	-0.11	0.03
	Perceived behavior control	-0.003	-0.06	0.06
	Attitudes	-0.004	-0.05	0.07
Employment status	Subjective norm	0.10	0.03	0.19
	Perceived behavior control	0.11	0.03	0.18
	Attitudes	0.13	0.07	0.20
Monthly income (RMB)	Subjective norm	0.004	-0.06	0.07
	Perceived behavior control	-0.03	-0.08	0.04
	Attitudes	0.05	-0.01	0.10

For explanation of the variable names, see Table 2