Table 3.

Logistic regression analysis for variables related to drug use

Variables	B	S.E.	Wald	Odds Ratio	95% Confidence Intervals		P-value
Step 1					Lower	Upper
Attitude	0.049	0.029	2.823	1.050	0.992	1.111	0.093
Outcome expectation	0.081	0.055	2.160	1.085	0.973	1.209	0.142
Outcome expectancies	0.108	0.060	3.266	1.114	0.991	1.253	0.071
Subjective norms	0.214	0.081	6.945	1.239	1.056	1.453	0.008
Self-control	-0.050	0.053	0.895	0.951	0.857	1.055	0.344
Step 2
Attitude	0.045	0.029	2.467	1.046	0.989	1.106	0.116
Outcome expectation	0.076	0.054	1.969	1.076	0.970	1.201	0.161
Outcome expectancies	0.112	0.060	3.407	1.118	0.993	1.259	0.065
Subjective norms	0.236	0.079	9.026	1.266	1.086	1.477	0.003
Step 3
Attitude	0.060	0.028	4.745	1.062	1.006	1.121	0.029
Outcome expectancies	0.109	0.056	3.754	1.115	0.999	1.245	0.053
Subjective norms	0.238	0.077	9.474	1.269	1.090	1.476	0.002