Overview of mental health related barriers to attending DRS
| Study | Study design | DRS attendance | N | Age (years) | Ethnicity | Mental health related barriers to attending DRS | Country |
| Lu et al34 | Observational/cross sectional | 55% | 165 | 54 (mean) | Hispanic 70% African-American 27% Other 3% | Depression (22%) | North America |
| Liu et al35 | Qualitative (semi structured interview) | Not stated | 29 | 67 (mean) | White 100% | Anxiety, negative self-perception, lack of self-efficacy | North America |
| Strutton et al37 | Qualitative (unstructured interview) | 84% | 296 | 12–34 12.8% 35–54 31% 55–74 39.9% >75 15.9% | White 36.4% Black/black British 5.8% Asian/Asian British 19% Mixed 1.6% Unknown 37.2% | Anxiety | UK |
DRS, diabetic retinopathy screening.