Table 1 Demographic data of participants and KAP scores

Total

503

8.03 ± 3.525

31.88 ± 3.524

25.08 ± 2.830

Age, years*

56.70 ± 11.44

< 0.001

< 0.001

0.088

< 60

275(54.67)

8.67 ± 3.40

33.58 ± 3.47

25.21 ± 2.89

≥ 60

228(45.33)

7.27 ± 3.53

31.04 ± 3.41

24.93 ± 2.75

Gender*

0.723

0.203

0.005

Male

277(55.07)

8.13 ± 3.33

32.06 ± 3.42

25.08 ± 2.96

Female

226(44.93)

7.92 ± 3.76

31.65 ± 3.64

25.09 ± 2.68

Residence*

< 0.001

< 0.001

0.017

Rural

214(42.54)

7.21 ± 3.50

30.80 ± 3.69

24.67 ± 3.10

Urban

289(57.46)

8.64 ± 3.43

32.68 ± 3.18

25.38 ± 2.58

Education^#

< 0.001

< 0.001

0.001

Primary school or below

91(18.09)

5.99 ± 3.77

30.58 ± 3.56

24.27 ± 2.67

Junior high school/ Senior high school/ Technical secondary school

315(62.62)

7.90 ± 3.26

31.85 ± 3.42

25.14 ± 2.80

Junior college or above

97(19.28)

10.40 ± 2.69

33.20 ± 3.40

25.64 ± 2.94

Medical related occupation*

0.001

0.195

0.431

Yes

22(4.37)

10.45 ± 2.67

32.82 ± 4.29

25.55 ± 3.57

No

481(95.63)

7.92 ± 3.52

31.84 ± 3.48

25.06 ± 2.79

Physical labor occupation*

0.857

0.001

0.340

Yes

32(6.36)

7.94 ± 3.45

29.50 ± 4.57

25.66 ± 3.61

No

471(93.64)

8.04 ± 3.53

32.04 ± 3.39

25.04 ± 2.77

Monthly income, yuan^#

< 0.001

0.001

0.001

< 5000

328(65.21)

7.06 ± 3.42

31.52 ± 3.25

24.86 ± 2.61

5000–10,000

129(25.65)

9.72 ± 3.12

32.87 ± 3.76

25.25 ± 2.99

10,000–20,000

33(6.56)

10.18 ± 2.72

32.15 ± 4.11

25.88 ± 3.64

> 20,000

13(2.58)

10.31 ± 1.97

30.38 ± 4.46

27.08 ± 3.35

Medical insurance^#

0.162

0.997

0.101

Statutory health insurance

488(97.02)

7.99 ± 3.51

31.88 ± 3.49

25.05 ± 2.80

Statutory health insurance combined with commercial insurance

11(2.19)

8.91 ± 4.21

31.91 ± 5.34

26.73 ± 3.41

Uninsured

4(0.80)

10.75 ± 1.71

32.00 ± 2.16

25 ± 4.08

Course of diagnosis with type 2 diabetes mellitus*

0.557

0.803

0.016

< 1 year

78(15.51)

7.72 ± 4.03

32.03 ± 3.51

25.60 ± 2.73

> 1 year

425(84.49)

8.09 ± 3.43

31.85 ± 3.53

24.99 ± 2.84

Medication of blood glucose control^#

0.630

0.098

0.122

Oral hypoglycemic drugs.

241(47.91)

7.88 ± 3.65

32.01 ± 3.39

25.27 ± 2.89

Injecting insulin.

71(14.12)

8.21 ± 3.70

30.86 ± 4.14

25.38 ± 2.91

Combined control

169(33.60)

8.28 ± 3.19

32.14 ± 3.45

24.69 ± 2.71

None of the above

22(4.37)

7.32 ± 4.03

31.68 ± 3.05

25.09 ± 2.58

Hyperlipidemia*

0.708

0.491

0.941

Yes

212(42.15)

8.15 ± 3.32

31.92 ± 3.39

25.05 ± 2.80

No

291(57.85)

7.95 ± 3.67

31.85 ± 3.63

25.10 ± 2.86

Fatty liver*

< 0.001

0.057

0.324

Yes

242(48.11)

9.09 ± 2.99

32.06 ± 3.87

25.18 ± 2.98

No

261(51.89)

7.05 ± 3.70

31.71 ± 3.17

24.99 ± 2.69

Screening for excess visceral fat*

< 0.001

0.222

0.872

Yes

138(27.44)

9.49 ± 2.87

32.12 ± 3.44

25 ± 2.96

No

365(72.56)

7.48 ± 3.60

31.79 ± 3.56

25.11 ± 2.78