Measurement invariance in the General Health Questionnaire-12 in young Australian adolescents

The General Health Questionnaire-12 [8] (GHQ-12) has been extensively validated with adults, but its validity with young adolescents is questionable. Further, the dimensionality of the survey remains in doubt. Confirmatory factor analysis was used to compare five competing models for the GHQ-12 using an adult sample (n = 235). The best model was then applied to a young adolescent dataset (n = 236, aged 11–15): all fit indices were “adequate” or...