Covariates That Were Adjusted for in the Statistical Models of the Included Studies
| Adjusted Covariate | Adjusted Covariate | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Author (Year) | Age | Sex | Socioeconomic status | Comorbidities | Number of Medications | Medication Adherence | Education | Race | Functional Status | Cognitive Impairment | Social Support | Prior Healthcare Utilization | Mental Health Condition | Other |
| Barnett et al,27 2011 | ✓ | ✓ | ✓ | – | ✓ | – | – | – | – | – | – | – | – | – |
| Cahir et al,23 2014 | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | – | – | – | – | ✓ | – | – | Sex of the general practitioner |
| Cahir et al,24 2014 | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | – | – | – | – | ✓ | – | – | Sex of the general practitioner |
| Hanlon et al,25 2002 | ✓ | ✓ | ✓ | ✓ | ✓ | – | ✓ | ✓ | ✓ | ✓ | – | – | – | Body mass index |
| Fillenbaum et al,26 2004 | ✓ | ✓ | ✓ | ✓ | – | – | ✓ | ✓ | ✓ | ✓ | – | ✓ | – | Marital status, insurance coverage |
| Moriarty et al,28 2016 | ✓ | ✓ | – | ✓ | ✓ | – | ✓ | – | – | – | ✓ | ✓ | ✓ | Insurance coverage |
| Wallace et al,29 2017 | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | – | – | – | – | ✓ | ✓ | – |
| Wauters et al,30 2016 | – | – | – | – | ✓ | – | – | – | – | – | – | – | – | – |