Table 2.

Baseline sociodemographic characteristics of participants.

Category		Intervention group n(%)	Control group n(%)	χ2	p
Caregiver role	Father	2(14.3)	1(7.7)	0.297	0.586
	Mother	12(85.7)	12(92.3)
Age (years)	≤30	2(14.3)	3(23.1)	0.671*	0.816
	31–40	11(78.6)	9(69.2)
	≥41	1(7.1)	1(7.7)
Marital status	Married	13(92.9)	11(84.6)	2.692*	0.347
	Divorced	0(0.0)	2(15.4)
	Widowed	1(7.1)	0(0.0)
Education level	High school or below	10(71.4)	7(53.8)	0.894	0.345
	College and above	4(28.6)	6(46.2)
Employment	Homemaker/unemployed	3(21.4)	1(7.7)	1.083*	0.834
	Full-time	9(64.3)	10(76.9)
	Part-time	2(14.3)	2(15.4)
Family income	<50,000 RMB	4(28.6)	3(23.1)	3.309*	0.415
	50,001–100,000 RMB	7(50.0)	3(23.1)
	100,001–150,000 RMB	2(14.3)	5(38.5)
	>150,000 RMB	1(7.1)	2(15.4)

^*Fisher’s exact test.