Table 3. Mediation path.

Outcome: Alcohol Use (last year)	via Positive Beliefs	via Negative Beliefs	Total Indirect Effects
Listwise (n = 2471)	0.017 (-0.007 to 0.041), 0.160	0.004 (-0.010 to 0.017), 0.605	0.021 (-0.008 to 0.049), 0.154
ML-MAR (n = 4870)	0.006 (-0.015 to 0.026), 0.591	0.003 (-0.009 to 0.016), 0.602	0.009 (-0.018 to 0.036), 0.512
MI-ML (n = 6391)	0.005 (-0.014 to 0.024), 0.629	0.002 (-0.012 to 0.016), 0.742	0.007 (-0.016 to 0.030), 0.549
Outcome: Alcohol Binge Drinking (last year)
Listwise (n = 2459)	0.019 (-0.008 to 0.046), 0.170	0.003 (-0.12 to 0.018), 0.706	0.022 (-0.010 to 0.054), 0.177
ML-MAR (n = 4842)	0.006 (-0.018 to 0.031), 0.604	0.003 (-0.011 to 0.018), 0.657	0.10 (-0.021 to 0.041), 0.420
MI-ML (n = 6391)	0.006 (-0.015 to 0.028), 0.564	0.004 (-0.010 to 0.018), 0.562	0.011 (-0.018 to 0.039), 0.690
Outcome: Cigarette Use (last year)
Listwise (n = 2457)	0.025 (-0.013 to 0.063), 0.191	0.007 (-0.026 to 0.040), 0.672	0.032 (-0.019 to 0.083), 0.221
ML-MAR (n = 4846)	0.011 (-0.022 to 0.038), 0.520	0.007 (-0.020 to 0.034), 0.603	0.018 (-0.029 to 0.064), 0.455
MI-ML (n = 6391)	0.023 (-0.025 to 0.07), 0.355	0.014 (-0.017 to 0.045), 0.115	0.036 (-0.026 to 0.099), 0.254
Outcome: Inhalant Use (last year)
Listwise (n = 2463)	0.022 (-0.012 to 0.056), 0.199	0.002 (-0.007 to 0.010), 0.675	0.024 (-0.012 to 0.060), 0.187
ML-MAR (n = 4849)	0.006 (-0.022 to 0.034), 0.688	0.002 (-0.006 to 0.010), 0.646	0.008 (-0.023 to 0.039), 0.626
MI-ML (n = 6391)	0.006 (-0.024 to 0.037), 0.301	0.004 (-0.006 to 0.014), 0.111	0.010 (-0.024 to 0.044), 0.258
Outcome: Cannabis Use (last year)
Listwise (n = 2451)	0.035 (-0.020 to 0.090), 0.213	0.006 (-0.028 to 0.040), 0.730	0.041 (-0.026 to 0.107), 0.228
ML-MAR (n = 4847)	0.011 (-0.036 to 0.058), 0.645	0.005 (-0.024 to 0.033), 0.733	0.016 (-0.044 to 0.076), 0.605
MI-ML (n = 6391)	0.020 (-0.042 to 0.082), 0.180	0.007 (-0.027 to 0.041), 0.098	0.027 (-0.049 to 0.104), 0.172