Additional file 3: of Comparison of subset selection methods in linear regression in the context of health-related quality of life and substance abuse in Russia

Stepwise regression. The regression coefficients along with their 95 % CIs, and the bootstrap inclusion frequencies of infependent variables for the models selected using automatic stepwise selection algorithm (backward elimination and forward selection) with AIC, BIC and the Likelihood ratio test (p = 0.05). (PDF 229 kb)