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Table 4 Within-group (T0-T1) and between groups (low and high HC) differences in the PIDAQ dimensions and the IOTN-AC index during the first six months of treatment (n = 75)

From: Psychosocial dental impact in adult orthodontic patients: what about health competence?

 

low HC (Mean, 95%IC)

High HC (Mean, 95%IC)

Intra. Dif (T0/T1) Low high

Inter. Dif. (Low high) T0 T1

p

p

p

p

Psychological impact

 Baseline (T0)

16.00 [11.72–20.28]

17.62 [11.72–20.28]

.508

.039

.665

.099

 After 6 mo. (T1)

17.29 [12.71–21.86]

11.43 [5.93–16.93]

    

Social impact

 Baseline (T0)

16.87 [12.11–21.63]

19.86 [14.76–24.95]

.104

.005

.372

.020

 After 6 mo. (T1)

20.87 [15.78–25.95]

11.71 [6.29–17.14]

    

Aesthetic concern

 Baseline (T0)

7.87 [5.53–10.22]

7.71 [5.21–10.22]

.285

.040

.921

.008

 After 6 mo. (T1)

9.25 [7.12–11.38]

4.71 [2.44–6.99]

    

IOTN-AC index

 Baseline (T0)

2.43 [1.46–3.40]

3.86 [2.89–4.82]

.042

.814

.341

.001

 After 6 mo. (T1)

2.00 [1.08–2.92]

1.86 [.94–2.77]

    
  1. T0: before treatment; T1: 6 months after treatment
  2. HC: Health competence; PIDAQ: Psychosocial Impact of Dental Aesthetic Questionnaire; IOTN-AC: Index of orthodontic treatment need-aesthetic concern
  3. Intra. Dif: intragroup differences; Inter. Dif: intergroup differences