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ObjectivePatients who trust their physicians have been shown to demonstrate good medication adherence, self-management, and favorable disease outcomes. This study examines how trust in physicians is affected by functional health literacy (HL) and by broader concepts of HL, including communicative HL and critical HL, among patients with systemic lupus erythematosus (SLE).MethodsThis was a cross-sectional study using baseline data from the Trust Measurement for Physicians and Patients with SLE (TRUMP2-SLE) study, an ongoing multicenter cohort study conducted at 5 academic centers. The 14-item Functional, Communicative, and Critical Health Literacy Scale assessed the 3 dimensions of HL; each item of the scale was scored on a 4-point Likert scale, ranging from 1 to 4. Outcomes were trust in one’s physician and trust in physicians in general using the 5-item Wake Forest Physician Trust Scale, which ranged from 0 to 100 points. General linear models were fit.ResultsA total of 362 patients with SLE were included. Trust in one’s physician increased with higher functional and communicative HL (per 1-point increase: mean difference 3.39, 95% CI 0.39-6.39, and mean difference 5.88, 95% CI 2.04-9.71, respectively). Trust in physicians in general increased with higher communicative HL and decreased with higher critical HL (per 1-point increase: mean difference 7.09, 95% CI 2.34-11.83, and mean difference −6.88, 95% CI −11.72 to −2.04, respectively). Longer internet use was associated with both higher communicative and critical HL.ConclusionThe findings suggest that rheumatologists need to improve their communication to match each patient’s HL, which may foster trust and lead to improved self-management and outcomes in SLE. They also suggest that the formation of the rheumatologist-patient relationship may negate the effect of high critical HL in building trust.

Patients who trust their physicians have been shown to demonstrate good medication adherence, self-management, and favorable disease outcomes. This study examines how trust in physicians is affected by functional health literacy (HL) and by broader concepts of HL, including communicative HL and critical HL among patients with systemic lupus erythematosus (SLE).This was a cross-sectional study using baseline data from the TRUMPA total of 362 SLE patients were included. Trust in one's physician increased with higher functional and communicative HL (per 1-pt increase, 3.21 [95%CI 0.61, 5.81], 5.8 [95%CI 1.96, 9.63]). Trust in physicians in general increased with higher communicative HL and decreased with higher critical HL (per 1-pt increase, 7.01 [95%CI 2.27, 11.76], -6.83 [95%CI -11.67, -1.99]). Longer internet use was associated with both higher communicative and critical HL.The findings suggest that rheumatologists need to improve their communication to match each patient's health literacy, which may foster trust and lead to improved self-management and outcome in SLE. They also suggest that the formation of the rheumatologist-patient relationship may negate the effect of high critical HL in building trust.