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Table 3 Test-retest stability showing mean values and shift between first, second and third survey time in the student sample

From: Exploration of the psychometric properties of the Clinical Outcomes in Routine Evaluation-Outcome Measure in Ecuador

Domains Time Mean differencea (SD) 95% Bootstrapped CI Cohen’s d1b[95% Bootstrapped CI] Cohen’s dzc[95% Bootstrapped CI]
Well-being 2–1 − 0.13(0.58) [− 0.19, − 0.07] 0.17[0.1, 0.24] 0.22[0.13, 0.33]
Problems/Symptoms 2–1 − 0.09(0.44) [− 0.13, − 0.05] 0.14[0.07, 0.2] 0.20[0.11, 0.31]
Functioning 2–1 − 0.06(0.35) [− 0.09, − 0.03] 0.11[0.05, 0.17] 0.17[0.07, 0.28]
Risk 2–1 − 0.06(0.31) [− 0.09, − 0.03] 0.15[0.08, 0.22] 0.20[0.11, 0.3]
Non-risk items 2–1 −0.08(0.34) [− 0.12, − 0.05] 0.14[0.08, 0.2] 0.24[0.14, 0.34]
All items 2–1 −0.08(0.30) [− 0.11, − 0.05] 0.15[0.1, 0.2] 0.26[0.16, 0.37]
Well-being 3–2 0.01(0.58) [−0.09, 0.10] −0.01[− 0.11, 0.1] −0.01[− 0.18, 0.16]
Problems/Symptoms 3–2 − 0.11(0.50) [− 0.19, − 0.03] 0.15[0.04, 0.25] 0.22[0.07, 0.37]
Functioning 3–2 − 0.03(0.39) [− 0.09, 0.03] 0.05[− 0.05, 0.14] 0.08[− 0.08, 0.25]
Risk 3–2 −0.02(0.32) [− 0.07, 0.03] 0.06[− 0.11, 0.19] 0.06[− 0.08, 0.24]
Non-risk items 3–2 −0.06(0.38) [− 0.12, 0.00] 0.09[0.01, 0.18] 0.16[0.01, 0.32]
All items 3–2 −0.05(0.34) [−0.11, 0.00] 0.09[0, 0.18] 0.16[0, 0.33]
  1. SD Standard deviation, CI Confidence interval
  2. aThe Wilcoxon test was used to test ¿the mean shifts between time points
  3. bMean change divided by the standard deviation of the baseline values
  4. cMean change divided by the standard deviation of the change values