TABLE 3.

The differences between only child and children with siblings undergraduates on primary study variables.

	M ± SD			Detection rate (%)
	Only child	Children with siblings	t	Only child	Children with siblings	χ 2
Learning adaptability	29.35 ± 6.29	29.59 ± 6.21	–1.40	27.53	27.70	0.02
Interpersonal adaptability	43.29 ± 7.13	43.58 ± 7.08	–1.54	29.24	27.50	2.03
Social role adaptability	36.34 ± 5.65	36.51 ± 5.57	–1.15	29.96	27.61	3.66
Career choice adaptability	30.00 ± 6.76	30.16 ± 6.72	–0.84	20.81	21.57	0.47
Livelihood self-management adaptability	25.18 ± 3.44	25.39 ± 3.39	−2.26*	51.21	47.46	7.64**
Environmental general adaptability	27.48 ± 4.71	28.00 ± 4.51	−4.13***	10.76	9.20	3.78
Somatic-mental symptom	40.26 ± 6.67	40.72 ± 6.50	−2.61**	26.95	24.61	3.94*

*p < 0.05. **p < 0.01. ***p < 0.001.