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Table 1 Differences (95% confidence intervals) in scores between parents and children at each time point

From: Difference and relation between adolescents’ and their parents or caregivers’ reported oral health-related quality of life related to orthodontic treatment: a prospective cohort study

  Difference (95%Cl) P-value
CPQ oral symptoms
 Baseline 1.31 (1.00;1.61) <.0001*
 After 1 year 0.47 (0.03;0.91) 0.2929
 1 month after treatment 1.03 (0.59;1.47) <.0001*
CPQ functional limitations
 Baseline 1.25 (0.89;1.62) <.0001*
 After 1 year −0.35 (− 0.92;0.22) 0.8379
 1 month after treatment 0.65 (0.20;1.10) 0.0506
CPQ emotional well-being
 Baseline 2.09 (1.66;2.52) <.0001*
 After 1 year 0.25 (−0.26;0.77) 0.9294
 1 month after treatment 0.36 (−0.04;0.77) 0.4863
CPQ social well-being
 Baseline −0.59 (−1.06;-0.12) 0.1406
 After 1 year 0.62 (0.16;1.08) 0.0852
 1 month after treatment 0.51 (0.15;0.86) 0.0569
CPQ total
 Baseline 4.06 (2.96;5.15) <.0001*
 After 1 year 1.02 (−0.41;2.44) 0.7243
 1 month after treatment 2.72 (1.57;3.87) <.0001*
Treatment need (AC)
 Baseline 2.47 (2.26;2.69) <.0001*
 After 1 year 1.28 (1.11;1.45) <.0001*
 1 month after treatment 0.22 (0.05;0.39) 0.1073
OASIS with AC
 Baseline 6.15 (5.61;6.69) <.0001*
 After 1 year 4.12 (3.57;4.68) <.0001*
 1 month after treatment 2.23 (1.59;2.87) <.0001*
OASIS without AC
 Baseline 3.70 (3.25;4.15) <.0001*
 After 1 year 2.82 (2.33;3.31) <.0001*
 1 month after end 2.02 (1.44;2.59) <.0001*
  1. A positive difference refers to a higher mean score for parents. P-value = p-value after Tukey correction for multiple testing (* = p < 0.05)