Table 3.

Multivariate-adjusted odds ratios

	Maladaptive Use vs. Adaptive Use		Pathological Use vs. Maladaptive Use		Pathological Use vs. Adaptive Use
	OR	95% CI	OR	95% CI	OR	95% CI
Gender
Male	REF	---	REF	---	REF	---
Female	0.821	0.606–1.110	0.671	0.389–1.155	0.586*	0.354–0.968
Grade
Junior High School	REF	---	REF	---	REF	---
Senior High School	1.010	0.735–1.386	1.163	0.661–2.044	1.062	0.629–1.788
Single Parent
Yes	REF	---	REF	---	REF	---
No	0.699	0.424–1.150	1.603	0.643–3.991	0.882	0.379–2.051
Living Expense Per Month
<500RMB	REF	---	REF	---	REF	---
500–1000RMB	1.129	0.740–1.721	1.043	0.494–2.197	1.180	0.583–2.389
1000–1500RMB	1.108	0.688–1.782	1.172	0.493–2.786	1.168	0.529–2.573
>1500RMB	1.549	0.965–2.484	0.763	0.319–1.822	1.375	0.606–3.117
Family Income Per Month
<1000RMB	REF	---	REF	---	REF	---
1000–5000RMB	0.397*	0.190–0.829	0.349*	0.130–0.931	0.189*	0.076–0.464
5000–10000RMB	0.657	0.308–1.397	0.302*	0.106–0.855	0.249*	0.097–0.638
>10000RMB	0.810	0.363–1.806	0.352	0.115–1.072	0.334*	0.115–0.963
Wellbeing	0.975*	0.958–0.992	0.972	0.941–1.003	.959*	0.932–0.985
Self-Esteem	0.926*	0.880–0.973	0.987	0.911–1.069	.921	0.848–1.000
Impulsive	1.114*	1.065–1.165	0.990	0.907–1.079	1.092*	1.012–1.176
Self-Centered	1.070*	1.028–1.113	1.038	0.971–1.108	1.116*	1.045–1.190
Simple Task	1.122*	1.062–1.185	1.005	0.915–1.103	1.110*	1.013–1.215

^*p < 0.05