Objectives: This study evaluated which predisposing and enabling factors prospectively predicted dental utilization over 6 months among people with serious mental illness.
Methods: A sample of individuals with serious mental illness (86.3% African American; 97.4% with public health insurance) was recruited from community mental health centres in Detroit, Michigan, and responded to questionnaires at baseline and at least one follow-up visit at 3 or 6 months (N = 190). Baseline assessments included demographic and clinical information, established measures of health literacy, health insurance literacy, stigma related to mental illness, experiences of racial discrimination and medical mistrust. Insurance coverage for dental care and the availability of dental services at the participants' mental health centres was recorded. At follow-up visits, participants reported healthcare utilization, including dental and primary care, since baseline.
Results: Three factors emerged as meaningful predictors of having a dental visit in bivariate and multivariate analyses: more medical comorbidities and dental care co-located with mental health care predicted increased likelihood of a dental visit, whereas having experienced racial discrimination in a medical setting predicted lower odds of having a dental visit in the follow-up period. Co-location of dental care with mental health care was the strongest predictor of having a dental visit.
Conclusions: Co-locating dental care with mental health care may increase dental utilization among people with serious mental illness, possibly by mitigating known barriers to dental care for this population. Among African Americans, the co-location of dental care with mental health care may also attenuate the negative effect of prior racial discrimination in a medical setting on dental utilization.
Keywords: delivery of health care; dental care; health services accessibility; mental disorders; racism.
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