From: The relation between the patient health questionnaire-15 and DSM somatic diagnoses
 | Factor 1 (Cardiopulmonary) | Factor 2 (Pain-fatigue) | Factor 3 (Gastrointestinal) | BDI-II | BAI |
---|---|---|---|---|---|
PHQ-15 total | 0.814 | 0.911 | 0.777 | 0.619 | 0.721 |
Factor 1 (Cardiopulmonary) | Â | 0.614 | 0.505 | 0.515 | 0.647 |
Factor 2 (Pain-fatigue) | Â | Â | 0.589 | 0.604 | 0.658 |
Factor 3 (Gastrointestinal) | Â | Â | Â | 0.407 | 0.536 |
BDI-II | Â | Â | Â | Â | 0.706 |