Table 3.

Logistic regression analysis for factors associated with depression

Variables	Step 1a					Step 2b
	B	SE	Wald	p	OR (95% CI)	B	SE	Wald	p	OR (95% CI)
Gender	− 0.439	0.130	11.448	0.001	0.645 (0.500–0.831)	− 0.407	0.159	6.587	0.010	0.665 (0.488–0.908)
Subjective body shape	− 0.054	0.079	0.471	0.493	0.947 (0.811–1.106)	− 0.071	0.092	0.594	0.441	0.932 (0.778–1.115)
Subjective pocket money	0.322	0.071	20.536	< 0.001	1.379 (1.200–1.585)	− 0.073	0.088	0.684	0.408	0.932 (0.782–1.105)
SWLS						− 0.146	0.016	85.861	< 0.001	0.881 (0.837–0.891)
PPTI						− 0.097	0.009	104.291	< 0.001	0.908 (0.891–0.925)
AUDIT						0.027	0.011	6.160	0.013	1.027 (1.006–1.050)
PSQI						0.230	0.026	78.822	< 0.001	1.259 (1.196–1.324)

AUDIT Alcohol Use Disorders of Identification Test, PSQI Pittsburgh Sleep Quality Index, SWLS Satisfaction with Life Scale, PPTI Positive Psychotherapy Inventory, CI confidence interval, OR odds ratio, SE standard error

^a χ² of model = 41.161, df = 3, Nagelkerke R² = 0.031

^b χ² of model = 628.838, df = 7, Nagelkerke R² = 0.454