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Table 1 Demographic, anthropometric and clinical characteristics of cases and comparison group

From: Quality of sleep and risk for obstructive sleep apnoea in ambulant individuals with type 2 diabetes mellitus at a tertiary referral hospital in Kenya: a cross-sectional, comparative study

Variable

Cases

Comparison

P value

n (%)

n (%)

Age, mean (SD)

56.8 (12.2)

56.5 (11.7)

0.816

Gender

 Male

93 (41.7%)

46 (41.1%)

0.912

 Female

130 (58.3%)

66 (58.9%)

Current residence

 Urban

163 (73.1%)

100 (89.3%)

0.001

 Rural

60 (26.9%)

12 (10.7%)

Employment status

 Self employed

178 (79.8%)

103 (92.0%)

0.004

 Dependant

45 (20.2%)

9 (8.0%)

Level of education

 None

17 (7.6%)

16 (14.3%)

0.001

 Primary

74 (33.2%)

38 (33.9%)

 Secondary

101 (45.3%)

29 (25.9%)

 Tertiary

31 (13.9%)

29 (25.9%)

Marital status

 Single

18 (8.1%)

8 (7.1%)

0.626

 Married

169 (75.8%)

92 (82.1%)

 Divorced

7 (3.1%)

2 (1.8%)

 Widowed

29 (13.0%)

10 (8.9%)

Anthropometric measures, mean (SD)

 BMI (kg/m2)

28.8 (4.4)

25.8 (6)

0.001

 Neck circumference (cm)

36.5 (3.2)

33.3 (2.9)

0.001

 Waist circumference (cm)

100.3 (10)

90 (12.7)

0.001

 Hip circumference (cm)

107.1 (9.1)

102.5 (12.3)

0.001

 Waist/hip ratio

0.94 (0.07)

0.88 (0.07)

0.001

Duration of T2DM in years, median (IQR)

10 (4–15)

N/A

N/A

Medications

 Insulin

29 (13.0%)

N/A

N/A

 Insulin and OAD

111 (49.8%)

 OAD alone

81 (36.3%)

 None

2 (0.9%)

  1. BMI body mass index, T2DM type 2 diabetes, OAD oral anti-diabetic drugs