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Table 2 Test–retest reliability of the Diabetes Health Profile-18 subdimensions overall, and considering a reported change in global assessment of health

From: Adaptation and psychometric validation of Diabetes Health Profile (DHP-18) in patients with type 2 diabetes in Quito, Ecuador: a cross-sectional study

Global assessment of health N Baseline, mean (sd) Retest, mean (sd) Mean differences (sd) ES Minimally important difference SDCind SDCgru ICC (95%CI)
0.2SD 0.5SD 1SEM
PD
Stayed the same 39 22.4 (16.3) 21.5 (13.7) 0.8 (11.9) 0.05 3.27 8.17 8.43 23.37 2.65 0.69 (0.48–0.83)
Worse 15 28.9 (17.7) 26.3 (17.5) 2.6 (10.9) 0.14 3.54 8.86 7.70 21.33 3.89 0.81 (0.53–0.93)
Better 21 33.9 (23.2) 31.7 (24.8) 2.1 (20.6) 0.09 4.65 11.61 14.56 40.37 6.23 0.64 (0.30–0.84)
Total 75 26.9 (19.2) 25.3 (18.5) 1.5 (14.5) 0.08 3.84 9.59 10.26 28.45 2.32 0.70 (0.57–0.80)
BA
Stayed the same 39 35.2 (15.7) 37.8 (20.4) − 2.6 (17.6) 0.17 3.14 7.84 10.01 27.75 2.59 0.66 (0.50–0.79)
Worse 15 49.3 (13.2) 56.7 (19.2) − 7.4 (19.3) 0.56 2.63 6.58 11.38 31.55 4.81 0.22 (− 0.06,0.58)
Better 21 40.1 (20.1) 43.5 (24.3) − 3.4 (20.1) 0.17 4.01 10.03 11.60 32.16 4.05 0.71 (0.51,0.86)
Total 75 39.4 (17.2) 43.2 (22.3) − 3.8 (18.3) 0.22 3.45 8.61 12.67 29.57 1.99 0.67 (0.56–0.77)
DE
Stayed the same 39 30.0 (19.0) 32.1 (21.1) − 2.1 (19.9) 0.11 3.80 9.51 11.70 32.42 3.04 0.66 (0.50–0.80)
Worse 15 41.8 (18.6) 37.3 (20.4) 4.4 (13.9) 0.24 3.72 9.3 8.06 22.33 3.33 0.82 (0.64–0.93)
Better 21 40.3 (20.4) 39.4 (25.1) 0.9 (18.6) 0.05 4.08 10.19 10.76 29.85 3.76 0.77 (0.59–0.89)
Total 75 35.3 (19.8) 35.2 (22.1) 0.1 (18.5) 0.003 3.97 9.92 10.74 29.78 2.00 0.73 (0.64–0.81)
  1. PD Psychological distress, BA Barriers to activity, DE Disinhibited eating, ES effect size, SD standard deviation, SEM standard error of measurement, SDC small detectable change, ICC intraclass correlation coefficient