Table 3 Univariate and multivariate logistic regression analysis in adolescents.

From: Knowledge, attitude, and practice of adolescents and parents toward malocclusion and orthodontic treatment

Adolescents

Univariate analysis

Multivariate analysis

OR (95%CI)

p

OR (95%CI)

p

Knowledge

1.144 (1.065–1.229)

< 0.001

1.092 (1.010–1.181)

0.027

Attitude

1.024 (1.001–1.048)

0.044

1.025 (0.999–1.051)

0.065

Practice

1.069 (1.042–1.096)

< 0.001

1.065 (1.036–1.094)

< 0.001

Age

 < 11

ref

 

ref

 

 11–15

2.506 (1.453–4.322)

0.001

3.205 (1.408–7.293)

0.006

 16–18

4.114 (2.323–7.285)

< 0.001

3.949 (1.311–11.895)

0.015

Gender

 Male

1.324 (0.921–1.903)

0.129

  

 Female

ref

   

Grade

 Primary school

ref

 

ref

 

 Junior high school

1.444 (0.918–2.272)

0.111

0.697 (0.343–1.418)

0.319

 Senior high school

2.629 (1.609–4.294)

< 0.001

1.012 (0.357–2.867)

0.982

Number of children in the family

 1

ref

   

 2

0.750 (0.509–1.103)

0.144

  

 ≥ 3

0.836 (0.394–1.773)

0.640

  

Ways to acquire knowledge about orthodontic treatment

 Doctor’s education

ref

 

ref

 

 Parental explanation

0.643 (0.411–1.008)

0.054

0.654 (0.403–1.062)

0.086

 Classmate’s promotion

0.448 (0.244–0.822)

0.010

0.548 (0.283–1.062)

0.075

 Internet

0.538 (0.326–0.888)

0.015

0.459 (0.268–0.786)

0.005

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