189 138 Linear and logistic regressions of secondary outcomes for the change between T0-T1 and T0-T2, with imputation and correction for eGFR. Continuous secondary outcomes Group Baseline T1 T2 Intervention effect T0-T1 Intervention effect T0-T2 B (95% CI) p B (95% CI) p Health literacy1 mean (SD) general practices C 23.4 (2.8) 23.6 (3.6) 24.0 (3.5) -0.69 (-2.89 to 1.50) 0.534 -0.64 (-2.83 to 1.55) 0.567 I 24.2 (2.8) 23.7 (3.4) 24.2 (3.4) Health literacy1 mean (SD) Hospitals C 22.7 (3.2) 23.7 (2.8) 23.4 (3.1) -0.18 (-1.57 to 1.20) 0.796 0.12 (-1.36 to 1.59) 0.879 I 23.6 (3.3) 24.1 (2.9) 24.0 (3.3) N of lifestyle topics discussed in consultation mean (SD), general practices C 1.8 (0.9) 1.2 (1.2) 1.2 (1.2) 1.01 (0.02 to 1.84) 0.017 1.05 (0.06 to 2.05) 0.039 I 0.7 (0.9) 1.2 (1.3) 1.3 (1.5) N of lifestyle topics discussed in consultation mean (SD), hospitals C 1.3 (1.2) 0.9 (1.1) 1.3 (1.4) 0.55 (-0.14 to 1.23) 0.118 0.41 (-0.29 to 1.10) 0.250 I 1.3 (1.5) 1.5 (1.4) 1.6 (1.5) eGFR2 mean (SD) general practices C 47.0 (10.4) 43.5 (10.9) -2.55 (-10.00 to 4.90) 0.501 I 53.0 (12.8) 47.0 (14.0) eGFR2 mean (SD) hospitals C 24.9 (10.1) 25.3 (12.8) -2.32 (-5.56 to 0.91) 0.159 I 36.8 (14.9) 34.8 (14.3) BMI mean (SD) general practices C 26.6 (3.7) 26.9 (4.5) 26.5 (4.1) 0.42 (0.78 to 2.58) 0.277 0.24 (-2.41 to 2.88) 0.859 I 26.7 (3.9) 27.5 (6.5) 27.0 (5.6) BMI mean (SD) hospitals C 29.2 (6.0) 29.2 (6.1) 28.7 (5.2) 0.40 (-1.54 to 2.33) 0.685 0.52 (-1.51 to 2.55) 0.615 I 28.0 (4.6) 28.2 (5.4) 28.0 (4.7) Dichotomous secondary outcomes Group Baseline T1 T2 OR (95% CI) p OR (95% CI) p Hypertension % general practices C 40.6 40.7 37.8 0.52 (0.19 to 2.25) 0.376 0.79 (0.22 to 2.87) 0.716 I 44.4 26.4 30.8 Hypertension % hospitals C 51.3 46.5 59.1 0.60 (0.19 to 1.86) 0.374 0.32 (0.11 to 0.96) 0.043 I 40.6 31.3 25.9 Feeling understood by HCPs % general practices C 68.6 62.1 52.5 1.29 (0.32 to 5.23) 0.725 1.14 (0.34 to 3.88) 0.833 I 70.4 64.3 56.8 Feeling understood by HCPs % hospitals C 71.8 64.5 68.1 n.a.3 1.10 (0.34 to 3.49) 0.876 I 86.2 91.6 73.8 Encouraged by HCPs to ask questions % general practices C 49.5 44.1 47.5 1.18 (0.35 to 3.93) 0.787 0.74 (0.22 to 2.53) 0.627 I 50.1 46.8 42.6 Encouraged by HCPs to ask questions % hospitals C 56.4 45.5 55.8 4.24 (1.22 to 14.72) 0.023 0.95 (0.31 to 2.92) 0.926 I 68.9 72.6 64.4 HCPs listen to my preferred approach % general practices C 60.9 57.2 50.8 1.17 (0.30 to 4.60) 0.817 0.68 (0.20 to 2.28) 0.526 I 48.7 55.7 45.2 HCPs listen to my preferred approach % hospitals C 56.4 49.6 58.8 4.79 (1.37 to 16.75) 0.014 0.86 (0.29 to 2.57) 0.790 I 64.7 79.7 66.2 I can share my feelings/emotions with my HCPs %, general practices C 64.1 53.5 43.6 1.42 (0.38 to 5.38) 0.603 1.70 (0.48 to 6.03) 0.408 I 52.0 58.7 52.7 I can share my feelings/emotions with my HCPs %, hospitals C 55.0 40.3 62.7 4.11 (1.36 to 12.39) 0.012 1.38 (0.43 to 4.40) 0.589 I 61.0 69.6 74.6 Statistics based on the imputed dataset. Numbers in bold indicate significant results. n of GP analyses = 59 and n of hospital analyses = 88. B = parameter estimate of being in the IG for the difference T1-T0 or T2T0, CI = confidence interval, SD = standard deviation, CAU = care-as-usual, IG = intervention group, OR = odds ratio for improvement in the IG compared to CAU between baseline and T1 or T2. 1 AAHLS questionnaire: scores from 10 to 30 with higher scores representing better health literacy. 2 eGFR = estimated glomerular filtration rate in ml/min/1.73m2; results of T1 not reported because they were not reliable (missing not at random); intervention effect T0-T2 is not corrected for eGFR. 3 Unable to calculate due to too small n within answer categories.
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