Table 3 Bivariate and multivariate linear regression models showing association of Oral Health Impact Profile- 14 (OHIP- 14) with Index of Orthodontic Treatment Need- Dental Health Component (IOTN- DHC) and other covariates
From: Impact of malocclusion on oral health related quality of life in young people
Bivariate analysis | Multivariate analysis | ||||
|---|---|---|---|---|---|
Estimates | SE | R 2 | Estimates | SE | |
IOTN-DHC | |||||
Intercept | 15.239 | 1.37*** | 0.16 | ||
No treatment need | Reference Group | Reference Group | |||
Little treatment need | 4.97 | 1.84** | 4.77 | 1.79** | |
Borderline treatment need | 8.88 | 1.88*** | 9.03 | 1.83*** | |
High Treatment need | 14.27 | 1.85*** | 14.41 | 1.80*** | |
Sex | |||||
Intercept | 21.9 | 0.90*** | 0.003 | ||
Male | Reference Group | Reference Group | |||
Female | 1.47 | 1.41 | 1.36 | 1.28 | |
Age | |||||
Intercept | 27.06 | 1.55*** | 0.03 | ||
15 - 18 years | Reference Group | Reference Group | |||
19 - 21 years | −4.01 | 2.03* | −6.12 | 2.22** | |
22 - 25 years | −6.40 | 1.81*** | −9.46 | 2.12*** | |
Education Level | |||||
Intercept | 23.44 | 1.7*** | 0.009 | ||
Secondary education | Reference Group | Reference Group | |||
University education | −1.05 | 1.9 | 4.45 | 2.24* | |
R2 = 0.22 | |||||