Race Based Differences in CPAP Adherence: How Does Self Efficacy Influence the Relationship of Race and Adherence 5.23.08

Race-based differences in CPAP adherence: How does self-efficacy influence the relationship of race and adherence? Amy M. Sawyer, Ph.D., R.N., 1,2 Terri E. Weaver, Ph.D., R.N., F.A.A.N., 1,2 Sarah J. Ratcliffe, Ph.D., 3 Helene Moriarty, Ph.D., R.N., 1,4 Jacqueline Ferguson, C.R.T., 4,5 Samuel T. Kuna, M.D. 2,4,5 1 Behavioral & Health Science Division School of Nursing; 2 Center for Sleep & Respiratory Neurobiology, School of Medicine; 3 Center for Clinical Epidemiology & Biostatistics; University of Pennsylvania, Philadelphia, Pennsylvania; 4 Philadelphia Veterans Affairs Medical Center; 5 VISN 4 Eastern Regional Sleep Center, Philadelphia Veterans Affairs Medical Center; Philadelphia, Pennsylvania Table 1. Baseline Characteristics by Race * Comparisons using Chi-square/Fisher’s exact tests or t-tests † Comparisons based on natural logarithms for normality AHI = apnea-hypopnea index; ESS = Epworth Sleepiness Scale Table 2. Summary Multiple Regression Models for One-month CPAP Adherence ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Results ,[object Object],[object Object],[object Object],Objectives ,[object Object],[object Object],[object Object],[object Object],[object Object],Abstract ,[object Object],[object Object],[object Object],[object Object],[object Object],Methods ,[object Object],[object Object],Conclusions Sample (n=62) n(%) or Mean ± SD Caucasians (n=34) n(%) or Mean ± SD African Americans (n=28) n(%) or Mean ± SD p-value * Male 60 (96.7) 33 (97.1) 27 (96.4) 0.890 Age (yrs) 57.2 ± 10.5 58.4 ± 10.4 55.7 ± 10.7 0.311 Married 42 (68.9) 23 (67.7) 19 (70.4) 0.821 Primary Care Referred 45 (72.6) 26 (76.5) 19 (67.9) 0.563 Some Post-High School Education 28 (45.2) 17 (50.0) 11 (67.9) 0.563 AHI (events/hr) 44.7 ± 24.8 42.0 ± 25.7 48.0 ± 23.7 0.286 † ESS score 12.3 ± 5.3 12.8 ± 5.4 11.7 ± 5.2 0.450 Depression 11.8 ± 14.8 8.4 ± 10.4 16.0 ± 18.3 0.046 † BMI (km/m 2 ) 33.5 ± 7.4 33.4 ± 8.7 33.7 ± 5.7 0.839 Variable Model 1 Model 2 Model 3 Model 4 B est ±SE p-value B est ± SE p-value B est ± SE p-value B est ± SE p-value Age -0.03 ±0.04 0.39 -0.04 ±0.04 0.19 -0.04 ±0.03 0.22 -0.05 ±0.03 0.16 AHI (ln) 0.85 ±0.62 0.17 0.68 ±0.61 0.27 0.63 ±0.58 0.28 0.53 ±0.58 0.37 Depression (ln) -0.19 ±0.33 0.56 -0.07 ±0.35 0.85 -0.16 ±0.33 0.62 0.16 ±0.34 0.65 ESS -0.03 ±0.07 0.71 -0.08 ±0.08 0.29 -0.12 ±0.07 0.11 -0.11 ±0.07 0.14 Race – AA -1.78 ±0.77 0.03 -2.36 ±0.81 0.01 -2.17 ±0.78 0.01 -2.27 ±0.77 0.01 Perception of Risk 0.09 ±0.57 0.87 Outcome Expectancy 1.49 ±0.76 0.06 Treatment Self-efficacy 1.20 ±0.58 0.05 ,[object Object],[object Object],Background

Race Based Differences in CPAP Adherence: How Does Self Efficacy Influence the Relationship of Race and Adherence 5.23.08

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Race Based Differences in CPAP Adherence: How Does Self Efficacy Influence the Relationship of Race and Adherence 5.23.08