Table 4 Demographic characteristics and KAP among high-risk subgroup (STOP-Bang score ≥ 3).

N = 148

Total Score

8.57 ± 4.86

27.71 ± 4.68

15.39 ± 2.60

Gender

0.447

0.261

0.788

Male

138 (93.24)

8.49 ± 4.91

27.83 ± 4.56

15.37 ± 2.63

Female

10 (6.76)

9.70 ± 4.06

26.10 ± 6.06

15.60 ± 2.22

Age, years

0.959

0.672

0.783

≤ 55

59 (39.86)

8.54 ± 5.53

27.51 ± 5.75

15.46 ± 2.98

> 55

89 (60.14)

8.58 ± 4.38

27.84 ± 3.83

15.34 ± 2.33

Height, cm

0.250

0.704

0.496

≤ 165

34 (22.97)

9.41 ± 4.58

27.44 ± 5.14

15.12 ± 2.60

> 165

114 (77.03)

8.32 ± 4.93

27.79 ± 4.55

15.46 ± 2.60

Weight, kg

0.978

0.738

0.919

≤ 70

48 (32.43)

8.58 ± 4.86

27.90 ± 3.96

15.42 ± 2.28

> 70

100 (67.57)

8.56 ± 4.88

27.62 ± 5.00

15.37 ± 2.75

BMI

0.544

0.676

0.837

< 25

57 (38.51)

8.82 ± 4.64

28.33 ± 3.82

15.53 ± 2.23

25.0-29.9

69 (46.62)

8.68 ± 4.86

27.28 ± 5.39

15.23 ± 2.96

> 29.9

22 (14.86)

7.55 ± 5.47

27.45 ± 4.26

15.50 ± 2.37

Residence

0.053

0.081

0.025

Rural

55 (37.16)

7.56 ± 4.86

26.84 ± 5.63

14.76 ± 3.10

Urban

93 (62.84)

9.16 ± 4.78

28.23 ± 3.95

15.75 ± 2.19

Education

0.001

0.004

0.025

Primary school or below

19 (12.84)

6.84 ± 5.54

25.37 ± 6.64

14.37 ± 3.59

Middle school/High school/Technical secondary school

87 (58.78)

7.79 ± 4.46

27.26 ± 4.54

15.18 ± 2.49

Junior college / Undergraduate

40 (27.03)

10.83 ± 4.54

29.73 ± 3.03

16.35 ± 2.02

Postgraduate or above

2 (1.35)

13.50 ± 6.36

29.00 ± 1.41

14.50 ± 2.12

Medical-related occupation

0.419

0.694

0.246

Yes

26 (17.57)

9.27 ± 4.47

28.04 ± 5.61

15.92 ± 2.37

No

122 (82.43)

8.42 ± 4.94

27.64 ± 4.47

15.27 ± 2.64

Monthly income, Yuan

0.004

0.002

0.003

< 5,000

58 (39.19)

7.02 ± 4.39

25.98 ± 4.84

14.43 ± 2.70

5,000–9,999

53 (35.81)

9.42 ± 4.60

28.58 ± 4.64

15.89 ± 2.54

10,000–19,999

25 (16.89)

8.80 ± 5.12

28.52 ± 3.58

16.28 ± 1.84

≥ 20,000

12 (8.11)

11.83 ± 5.51

30.50 ± 3.42

15.92 ± 2.54

Marital Status

0.527

0.035

0.004

Unmarried

3 (2.03)

10.33 ± 4.93

33.33 ± 2.08

19.67 ± 0.58

Married

145 (97.97)

8.53 ± 4.87

27.59 ± 4.65

15.30 ± 2.55

Reason for Seeking Medical Care

0.619

0.649

0.725

Coronary Heart Disease

80 (54.05)

8.74 ± 4.75

27.26 ± 5.16

15.44 ± 2.76

Hypertension

35 (23.65)

8.66 ± 4.82

28.60 ± 4.26

15.46 ± 2.60

Heart Failure

8 (5.41)

7.63 ± 4.10

28.13 ± 3.68

14.13 ± 2.59

Arrhythmia

14 (9.46)

8.36 ± 5.72

28.50 ± 4.43

15.79 ± 2.39

Myocardial Disease

1 (0.68)

16.00 ± 0.00

30.00 ± 0.00

17.00 ± 0.00

Heart Valve Disease

/

/

/

Other Diseases

10 (6.76)

7.20 ± 5.43

26.50 ± 2.68

15.00 ± 1.49

Smoking Habit

0.058

0.793

0.682

Yes

74 (50.00)

7.81 ± 5.01

27.61 ± 4.33

15.47 ± 2.39

No

74 (50.00)

9.32 ± 4.61

27.81 ± 5.02

15.30 ± 2.81

Type of Medical Insurance

0.387

0.238

0.537

Social or commercial only

134 (90.54)

8.72 ± 4.77

27.50 ± 4.74

15.32 ± 2.59

Both social and commercial

8 (5.41)

8.00 ± 5.86

29.50 ± 3.34

16.38 ± 2.00

None

6 (4.05)

6.00 ± 5.55

30.00 ± 4.00

15.50 ± 3.56

Snoring

0.113

0.586

0.295

Yes, and sought medical attention for it

18 (12.16)

10.50 ± 3.50

28.78 ± 2.98

16.28 ± 1.71

Yes, but have not sought medical attention

111 (75.00)

8.49 ± 4.95

27.58 ± 5.00

15.24 ± 2.67

No

19 (12.84)

7.21 ± 5.07

27.47 ± 4.03

15.37 ± 2.79

Experience of daytime sleepiness, lack of concentration, or similar issues during the day

0.139

0.435

0.041

Yes

86 (58.11)

9.07 ± 4.94

27.97 ± 4.51

15.76 ± 2.48

No

62 (41.89)

7.87 ± 4.70

27.35 ± 4.91

14.87 ± 2.69

OSA patients around

0.279

0.121

0.271

Yes

63 (42.57)

8.06 ± 4.48

27.02 ± 4.27

15.11 ± 2.44

No

85 (57.43)

8.94 ± 5.12

28.22 ± 4.91

15.59 ± 2.70

Ways of acquiring health information (multiple choices)

Traditional media such as TV and newspapers

91 (61.49)

9.04 ± 4.97

28.35 ± 4.39

15.64 ± 2.40

Online media such as public accounts and short videos

112 (75.68)

8.76 ± 4.61

27.72 ± 4.63

15.49 ± 2.52

Education and information from healthcare professionals

66 (44.59)

10.21 ± 4.83

29.12 ± 4.53

16.17 ± 2.40

Conversations with family and friends

72 (48.65)

9.51 ± 4.43

28.93 ± 4.19

15.96 ± 2.56

Other

9 (6.08)

5.89 ± 4.91

26.67 ± 6.52

15.33 ± 4.58

Being educated about OSA by doctor

< 0.001

0.014

0.012

Yes

80 (54.05)

9.90 ± 4.81

28.58 ± 4.67

15.88 ± 2.67

No

68 (45.95)

7.00 ± 4.45

26.69 ± 4.51

14.81 ± 2.40

Being recommended by doctor for further OSA tests

0.001

0.058

0.030

Yes

75 (50.68)

9.83 ± 4.95

28.43 ± 4.37

15.84 ± 2.58

No

73 (49.32)

7.27 ± 4.44

26.97 ± 4.89

14.92 ± 2.55

Participated in an OSA-related educational programme

< 0.001

< 0.001

< 0.001

Yes

41 (27.70)

11.73 ± 4.85

30.44 ± 3.72

16.83 ± 2.47

No

107 (72.30)

7.36 ± 4.30

26.66 ± 4.59

14.83 ± 2.44

High risk factors in BANG questionnaire

Snoring

0.117

0.068

0.229

Yes

106 (71.62)

8.96 ± 4.83

28.15 ± 5.08

15.55 ± 2.76

No

42 (28.38)

7.57 ± 4.83

26.60 ± 3.24

14.98 ± 2.12

Feel tired

0.025

0.282

0.016

Yes

78 (52.70)

9.41 ± 5.04

28.10 ± 5.00

15.87 ± 2.68

No

70 (47.30)

7.63 ± 4.50

27.27 ± 4.27

14.84 ± 2.41

You stop breathing or gasping are noticed by someone else

0.035

< 0.001

0.046

Yes

48 (32.43)

7.35 ± 4.73

25.60 ± 5.25

14.77 ± 2.87

No

100 (67.57)

9.15 ± 4.83

28.72 ± 4.02

15.68 ± 2.42

High blood pressure

0.213

0.153

0.431

Yes

120 (81.08)

8.81 ± 4.78

26.57 ± 5.57

15.04 ± 3.07

No

28 (18.92)

7.54 ± 5.15

27.98 ± 4.43

15.47 ± 2.48

Obese

Yes

9 (6.08)

No

139 (93.92)

Aged over 50 years

0.521

0.544

0.927

Yes

103 (69.59)

8.74 ± 4.56

27.86 ± 3.94

15.40 ± 2.33

No

45 (30.41)

8.18 ± 5.52

27.36 ± 6.07

15.36 ± 3.16

Thick neck

0.511

0.038

0.385

Yes

11 (7.43)

7.64 ± 5.10

24.91 ± 5.92

14.73 ± 2.80

No

137 (92.57)

8.64 ± 4.85

27.93 ± 4.51

15.44 ± 2.59