Study | Study design | Mental health issue | DRS attendance | N | Age (years) | Ethnicity | OR (95% CI) | Country |
Paksin-Hall et al30 | Observational/cross sectional | 14 or more ‘mentally unhealthy’ days in past 30 days | 64% in cohort with 14 or more mentally unhealthy days | 52 386 | 18–34 1.8% 35–54 20% 55–64 28.2% >65 50% | White 55.8% Black/African-American 9.8% Asian 5.9% Other 28.6% | Of attending DRS if <14 mentally unhealthy days—adjusted 1.22 (1.04 to 1.41) | North America |
Goldberg et al31 | Observational/cross sectional | SMI (schizophrenia or major mood disorder) | 80% in SMI cohort | 300 | 50.1 (mean)— in SMI cohort | White 49% Other 51% In SMI cohort | Of attending DRS if SMI present—adjusted 0.26 (0.09 to 0.7) | North America |
Kilbourne et al32 | Observational/cross sectional | SMI (ICD-9) | 83% in this SMI cohort | 7514 | 56.4 (mean) | African-American 28% Other 72% | Of attending DRS if comorbid anxiety/PTSD—1.34 (1.01 to 1.77) | North America |
Frayne et al33 | Observational/cross sectional | Mental health condition (DSM IV/ ICD-9) | 57.8% in MHC cohort | 313 586 | <55 36.9% 55–64 20.9% 65–74 26.6% >75 15.6%—in MHC cohort | White 73.4% African-American 17.6% Other 6.8% In MHC cohort | Of not attending DRS if MHC present—adjusted 1.07 (1.05 to 1.08) | North America |
DRS, diabetic retinopathy screening; MHC, mental health conditions; PTSD, post-traumatic stress disorder; SMI, severe mental illness.