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. 2020 Feb 28;90(4):578–586. doi: 10.2319/092319-607.1

Table 3. .

Comparison of Oral Health Impact Profile Scores at Various Time Intervals of Observation in Group I (Nonextraction) Subjectsa

Items
 T0-T1
 T0-T2
 T0-T3
 T0-T4
 T0-T5
 T1-T2
 T1-T3
 T1-T4
 T1-T5
 T2-T3
 T2-T4
 T2-T5
 T3-T4
 T3-T5
 T4-T5
Domain 1: Functional limitations
1 NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS
2 NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS
Total (1 + 2) ** * NS NS * NS * ** *** * *** *** NS ** **
Domain 2: Physical pain
3 *** *** *** * NS ** *** *** *** * *** *** *** *** *
4 *** *** *** *** * ** *** *** *** NS *** *** *** *** **
Total (3 + 4) *** *** *** ** NS ** ** *** *** * *** *** *** *** ***
Domain 3: Psychological discomfort
5 NS ** *** *** *** *** *** *** *** ** *** *** ** ** **
6 * * ** *** *** NS ** *** *** * ** ** * * NS
Total (5 + 6) NS *** *** *** *** *** *** *** *** ** *** *** ** ** **
Domain 4: Physical disability
7 *** ** * * * *** *** *** *** * NS *** NS *** ***
8 *** *** ** * NS ** *** *** *** ** ** *** NS ** *
Total (7 + 8) *** *** ** * NS ** *** *** *** ** ** *** NS ** *
Domain 5: Psychological disability
9 ** * NS NS NS NS ** ** ** NS ** ** * * NS
10 NS ** *** *** *** ** ** *** *** * *** *** ** ** *
Total (9 + 10) NS ** ** *** *** ** *** *** *** ** *** *** ** *** *
Domain 6: Social disability
11 NS NS NS NS NS NS NS NS NS NS * * NS NS NS
12 NS NS NS NS NS NS NS NS NS NS * * NS NS NS
Total (11 + 12) NS NS NS NS NS NS * NS NS NS * * * * NS
Doamin 7: Handicap
13 NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS
14 NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS
Total (13 + 14) NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS
Total OHIP-14 score *** * NS *** *** *** *** *** *** *** *** *** *** *** ***
a 

T0 indicates baseline data; T1, 1 month after start of orthodontic treatment; T2, 3 months after start of orthodontic treatment; T3, 6 months after start of orthodontic treatment; T4, 1 year after start of orthodontic treatment; T5, 1 week after completion of orthodontic treatment; and NS, nonsignificant.

* 

P < .05; ** P < .01; *** P < .001.