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Table 2 T-test for biomedical outcomes, periodontal status, knowledge and attitude toward oral health and DM (N = 130)

From: Effectiveness of lifestyle change plus dental care (LCDC) program on improving glycemic and periodontal status in the elderly with type 2 diabetes

Variables

Intervention group

Control group

p-value*

n = 65

n = 65

Mean

Standard deviation

Mean

Standard deviation

HbA1c

     

 Baseline

7.39

1.19

7.68

1.48

0.217

 3 months

7.10

1.04

7.77

1.46

0.003

FPG

     

 Baseline

143.83

38.78

152.91

51.35

0.258

 3 months

129.57

21.24

158.32

47.28

<0.001

BMI

     

 Baseline

25.35

3.57

26.66

4.40

0.064

 3 months

25.57

3.64

26.88

4.11

0.057

Plaque index score

     

 Baseline

0.59

0.42

0.63

0.41

0.544

 3 months

0.26

0.31

0.45

0.45

0.006

Gingival index score

     

 Baseline

0.64

0.41

0.77

0.48

0.139

 3 months

0.27

0.29

0.48

0.40

0.001

Pocket depth

     

 Baseline

2.35

0.55

2.39

0.81

0.719

 3 months

2.04

0.47

2.54

0.88

<0.001

CAL

     

 Baseline

3.33

0.86

3.68

1.31

0.079

 3 months

2.96

0.85

3.64

1.37

0.001

BOP

     

 Baseline

35.36

25.83

37.32

22.17

0.644

 3 months

17.66

22.18

38.22

33.36

<0.001

Overall knowledge

     

 Baseline

7.19

2.36

7.04

2.27

0.705

 3 months

9.48

0.70

7.29

2.23

<0.001

Oral knowledge

     

 Baseline

3.68

1.73

3.51

1.60

0.564

 3 months

4.77

0.52

3.63

1.36

<0.001

DM knowledge

     

 Baseline

3.53

1.09

3.58

0.97

0.799

 3 months

4.70

0.28

3.66

1.17

<0.001

Overall attitude

     

 Baseline

43.75

4.42

41.80

6.57

0.057

 3 months

47.82

3.41

41.44

5.27

<0.001

Oral attitude

     

 Baseline

21.54

2.95

20.78

3.15

0.161

 3 months

23.85

1.80

20.58

3.18

<0.001

DM attitude

     

 Baseline

22.25

2.32

21.74

2.57

0.239

 3 months

23.92

1.81

20.86

2.62

<0.001

  1. p by t-test.
  2. *Statistical significances of difference: p < 0.05.