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

Table 6. .

Comparison of Various Oral Health Impact Profile (OHIP) Scores Between Groups I and II at Various Time Intervals of Observation^a

Items	OHIP Dimensions	Comparison of OHIP Scores Between Two Groups at Various Time Intervals of Evaluation
		T₀	T₁	T₂	T₃	T₄	T₅
		Gr. I vs Gr. II, Significance	Gr. I vs Gr. II, Significance	Gr. I vs Gr. II, Significance	Gr. I vs Gr. II, Significance	Gr. I vs Gr. II, Significance	Gr. I vs Gr. II, Significance
Domain 1: Functional limitations
1	Had trouble in pronouncing words	.687^NS	.734^NS	.569^NS	.113^NS	.116^NS	.041*
2	Felt that sense of taste had worsened	.021*	.157^NS	.006**	.645^NS	.645^NS	.154^NS
Total (1 + 2)		.486^NS	.460^NS	.754^NS	.318^NS	.189^NS	.021*
Domain 2: Physical pain
3	Had painful aching in your mouth	.004**	.613^NS	.691^NS	.723^NS	.006**	.744^NS
4	Had discomfort when eating food	.081^NS	.414^NS	.153^NS	.348^NS	.516^NS	.346^NS
Total (3 + 4)		.000***	.439^NS	.365^NS	.293^NS	.053^NS	.307^NS
Domain 3: Psychological discomfort
5	Has been feeling self-conscious	.618^NS	.467^NS	.058^NS	.070^NS	.173^NS	.345^NS
6	Had felt tense	.716^NS	.478^NS	.284^NS	.049*	.417^NS	.317^NS
Total (5 + 6)		.205^NS	.881^NS	.021*	.009**	.139^NS	.317^NS
Domain 4: Physical disability
7	Diet has been unsatisfactory	.680^NS	.348^NS	.058^NS	.236^NS	.606^NS	.079^NS
8	Has had to interrupt meals	.011*	.832^NS	.106^NS	.031*	.093^NS	.154^NS
Total (7 + 8)		.169^NS	.676^NS	.057^NS	.066^NS	.623^NS	.041*
Domain 5: Psychological disability
9	Finds it difficult to relax	.046*	.223^NS	.611^NS	.357^NS	.003**	.154^NS
10	Has been a bit embarrassed	.686^NS	.371^NS	.010*	.003**	.004**	.058^NS
Total (9 + 10)		.955^NS	.167^NS	.015*	.002**	.001**	.015*
Domain 6: Social disability
11	Has been irritable with other people	.049*	.002**	.141^NS	.097^NS	.041*	.079^NS
12	Has had difficulty during usual jobs	.260^NS	.001**	.357^NS	.273^NS	.041*	.317^NS
Total (11 + 12)		.024*	.000***	.044*	.169^NS	.011*	.079^NS
Doamin 7: Handicap
13	Has been life less satisfying	.148^NS	.011*	.003**	.011*	.079^NS	.317^NS
14	Has been totally unable to function	.306^NS	.079^NS	.317^NS	P = 1.000^NS	P = 1.000^NS	.317^NS
Total (13 + 14)		.206^NS	.006**	.003**	.021*	.079^NS	.317^NS
Total score		.112^NS	.009**	.001**	.039*	.019*	.363^NS

Gr. indicates group; T₀, 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.