highly significantp < 0.0001
PHQ4 score showed a highly significant association with e-cigarette use in the bivariate ( p < 0.0001) but not multiple logistic regression, possibly revealing that PHQ4 has some correlation with other variables.
PHQ4 score showed a highly significant association with e-cigarette use in the bivariate ( p < 0.0001) but not multiple logistic regression, possibly revealing that PHQ4 has some correlation with other variables.