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Table 2 Comparison of the DHC grades by sex, socio-economic status and age of the students

From: Normative and self-perceived orthodontic treatment need of a Peruvian university population

Covariables

Definite need

Borderline need

No need

P value

 

n

%

n

%

n

%

 

Sex

      

0.403

   Female

34

27.4

41

33.1

49

39.5

 

   Male

50

31.8

57

36.3

50

31.8

 

Age

      

0.543

   < 18 years

36

29.0

40

32.3

48

38.7

 

   ≥ 18 years

48

30.6

58

36.9

51

32.5

 

Socio-economic status

      

0.247

   Low

50

34.7

42

29.2

52

36.1

 

   Medium

29

25.4

47

41.2

38

33.3

 

   High

5

21.7

9

39.1

9

39.1

 
  1. Chi-square test was used
  2. Degree of freedom = 2 for sex and age, 4 for SES