Table 3

Linear regression results of associations between HLQ scale scores and HbA1c. Unadjusted and adjusted models representing the estimated difference in HbA1c for a one unit change in HLQ score. Values shown in bold are statistically significant

DomainAdj. R2 Regression coefficientSE(95 % CI)p Value
1. Feeling understood and supported by healthcare providers
  Model 10.0000.000.49(−0.95 to 0.96)0.998
  Model 20.0120.140.49(−0.82 to 1.11)0.769
  Model 30.0350.270.49(−0.69 to 1.22)0.486
2. Having sufficient information to manage my health
  Model 1 0.012 −2.56 0.61 (−3.75 to −1.36) <0.001
  Model 2 0.023 −2.45 0.61 (−3.64 to −1.25) <0.001
  Model 3 0.041 −2.07 0.61 (−3.26 to −0.88) <0.001
3. Actively managing my health
  Model 1 0.061 −5.34 0.56 (−6.45 to −4.25) <0.001
  Model 2 0.073 −5.34 0.56 (−6.44 to −4.23) <0.001
  Model 3 0.086 −4.95 0.57 (−6.06 to −3.84) <0.001
4. Social support for health
  Model 1 0.003 −1.28 0.51 (−2.28 to −0.03) 0.012
  Model 2 0.016 −1.17 0.51 (−2.16 to −0.18) 0.021
  Model 3 0.038 −1.05 0.50 (−2.03 to −0.07) 0.029
5. Appraisal of health information
  Model 1 0.008 −1.99 0.56 (−3.08 to −0.90) <0.001
  Model 2 0.022 −2.05 0.56 (−3.14 to −0.96) <0.001
  Model 3 0.040 −1.51 0.56 (−2.61 to −0.42) 0.005
6: Ability to actively engage with healthcare providers
  Model 1 0.013 −2.16 0.49 (−3.11 to −1.20) <0.001
  Model 2 0.024 −1.98 0.49 (−2.94 to −1.24) <0.001
  Model 3 0.043 −1.67 0.49 (−2.63 to −0.72) <0.001
7. Navigating the healthcare system
  Model 1 0.011 −1.90 0.48 (−2.84 to −0.96) <0.001
  Model 2 0.021 −1.70 0.48 (−2.65 to −0.76) <0.001
  Model 3 0.039 −1.27 0.49 (−2.22 to −0.32) 0.006
8. Ability to find good health information
  Model 1 0.013 −2.17 0.50 (−3.15 to −1.19) <0.001
  Model 2 0.026 −2.32 0.50 (−3.31 to −1.34) <0.001
  Model 3 0.041 −1.71 0.51 (−2.72 to −0.70) <0.001
9. Understanding health information well enough to know what to do
  Model 1 0.021 −2.86 0.52 (−3.89 to −1.84) <0.001
  Model 2 0.032 −2.87 0.52 (−3.90 to −1.85) <0.001
  Model 3 0.045 −2.19 0.54 (−3.25 to −1.13) <0.001
  •  Model 3: adjusted for sex, age, diabetes duration, and educational attainment.

  •  Model 2: adjusted for sex, age, and diabetes duration.

  •  Model 1: unadjusted.

  • HLQ, Health Literacy Questionnaire.