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Table 1 Comparison of the intervention and control groups, concerning the demographic variables

From: A randomized controlled trial of an educational intervention to promote oral and dental health of patients with type 2 diabetes mellitus

Group

Variable

Control

Intervention

P- Value

Frequency (N)

Percent (%)

Frequency (N)

Percent (%)

Sex

Female

36

60

40

66.6

0.44

Male

24

40

20

33.4

Health insurance

Yes

59

98.2

60

100

0.315

No

1

1.8

0

0

Marital status

Married

58

96.6

59

98.3

0.390

Single

2

3.4

1

1.7

Education level

Elementary school

35

58.4

43

71.6

0.019

School diploma

18

30

16

26.6

College degree

7

11.6

1

1.8

Income level

low

11

18.3

6

10

0.264

middle

42

0.70

51

85

high

7

11.7

3

5