Table 3.

Multiple linear stepwise regression analyzes of KAP for waste separation among university students (n = 1,282).

	Variables	R	R2	Adjusted R2	B	Std. error	β	t	F	p-value
Knowledge score	Familiarity with garbage classification knowledge	0.311	0.097	0.096	0.614	0.052	0.311	11.705	137.015	0
	College	0.141	0.02	0.019	0.082	0.016	0.141	5.106	26.066	0
	Gender	0.130	0.017	0.016	0.537	0.115	0.13	4.68	21.899	0
	Grade	0.094	0.009	0.008	−0.153	0.045	−0.094	−3.375	11.393	0.001
Attitude score	Familiarity with garbage classification knowledge	0.534	0.285	0.285	3.231	0.143	0.534	22.578	509.78	0
	Grade	0.155	0.024	0.023	−0.772	0.138	−0.155	−5.604	31.403	0
	Family highest education	0.059	0.004	0.003	−0.413	0.195	−0.059	−2.122	4.501	0.034
	College	0.150	0.023	0.022	0.268	0.049	0.15	5.432	29.508	0
	Gender	0.102	0.01	0.01	1.2	0.353	0.102	3.679	13.539	0
Practice score	Familiarity with garbage classification knowledge	0.407	0.166	0.165	1.558	0.098	0.407	15.953	254.496	0
	Gender	0.202	0.041	0.04	1.625	0.22	0.202	7.39	54.61	0
	Grade	0.117	0.014	0.013	−0.367	0.087	−0.117	−4.197	17.618	0
	Family highest education	0.111	0.012	0.012	0.489	0.122	0.111	3.993	15.944	0
Total score	Familiarity with garbage classification knowledge	0.567	0.321	0.320	5.421	0.221	0.567	24.562	603.313	0.000
	Gender	0.173	0.030	0.029	3.478	0.554	0.173	6.281	39.456	0.000
	Grade	0.163	0.027	0.026	−1.287	0.218	−0.163	−5.913	34.965	0.000
	College	0.163	0.027	0.026	0.462	0.078	0.163	5.917	35.011	0.000
	Profession	0.071	0.005	0.004	0.402	0.158	0.071	2.540	6.452	0.011