Table 4.

Univariate logistic regression of predictive factors of New-onset MDD

Variables	Categories	B (SE)	Wald χ2	P	OR	95% CI
						Lower	Upper
Gender	Males/Females	-0.20(0.17)	1.40	0.236	0.82	0.59	1.14
Residence	Urban/Rural	0.03(0.17)	0.04	0.837	1.04	0.75	1.43
Major	Non-medicine/medicine	0.04(0.18)	0.04	0.840	1.04	0.73	1.48
Only-child	No/Yes	-0.01(0.17)	0.00	0.969	0.99	0.72	1.37
Marital status of parents	In marriage/Others	-0.02(0.35)	0.01	0.944	0.98	0.49	1.93
Parents’ relationship
	Harmonious	reference
	General	0.46(0.18)	6.61	0.010	1.58	1.11	2.23
	Not in harmony	1.07(0.25)	18.24	< 0.001	2.91	1.78	4.76
Parents’ marriage satisfaction level (scores)
	P100 (10)	reference
	P25 (1–6)	0.86(0.23)	13.55	< 0.001	2.36	1.49	3.72
	P50 (7–8)	0.65(0.23)	8.19	0.004	1.91	1.23	2.99
	P75 (9)	0.32(0.26)	1.44	0.231	1.37	0.82	2.30
Overall feeling about family atmosphere
	Fine	reference
	Neutrally	0.53(0.19)	7.61	0.006	1.69	1.17	2.46
	Badly	1.29(0.29)	19.10	< 0.001	3.61	2.03	6.43
	Not sure	0.10(0.72)	0.02	0.891	1.10	0.27	4.54
Baseline depressive symptoms
	No (0–13)	reference
	Mild (14–19)	0.93(0.34)	7.58	0.006	2.52	1.31	4.88
	Moderate (20–28)	1.79(0.30)	36.62	< 0.001	6.02	3.36	10.76
	Severe (29–63)	2.36(0.50)	22.26	< 0.001	10.56	3.97	28.13
Father’s parenting style
	Emotional warmth	-0.03(0.01)	15.17	< 0.001	0.97	0.96	0.99
	Punishment	0.04(0.01)	9.48	0.002	1.04	1.02	1.07
	Control attempt	0.04(0.02)	3.26	0.071	1.04	1.00	1.08
	Favoring	0.02(0.02)	0.79	0.373	1.02	0.98	1.07
	Rejection	0.07(0.03)	6.84	0.009	1.07	1.02	1.13
	Overprotection	0.08(0.03)	7.99	0.005	1.08	1.02	1.14
Mother’s parenting style
	Emotional warmth	-0.02(0.01)	10.55	0.001	0.98	0.96	0.99
	Punishment	0.07(0.02)	19.52	< 0.001	1.08	1.04	1.11
	Favoring	0.01(0.02)	0.17	0.677	1.01	0.97	1.05
	Rejection	0.06(0.02)	9.19	0.002	1.06	1.02	1.10
	Overprotection	0.05(0.01)	18.51	< 0.001	1.05	1.03	1.07