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Table 2 Prevalence of diabetes, by socio-demographic and biophysical factors, in the subsample

From: Prevalence and risk factors for diabetes and diabetic retinopathy: results from the Nigeria national blindness and visual impairment survey

 

Total

Diabetes

Prevalence

 
 

N

n

%

95% CI

P value

Socio-demographic factors

     

Age group (years)

40 - 49

557

14

2.5

1.5-4.2

0.17

 

50 - 59

412

14

3.4

2.0-5.6

 

60 - 69

346

11

3.2

1.7-5.9

 

70 - 79

206

7

3.4

1.6-6.9

 

80+

74

6

8.1

3.7-16.9

  

1595

    

Gender

Female

852

23

2.7

1.8-4.0

0.19

 

Male

743

29

3.9

2.7-5.7

  

1595

    

Ethnic group

Fulani

83

2

2.4

0.6-8.9

0.87

 

Hausa

384

11

2.9

1.6-5.0

 

Ibo

224

7

3.1

1.4-7.0

 

Yoruba

335

14

4.2

2.5-6.9

 

Others

562

18

3.2

2.0-5.1

  

1588*

    

Literacy

Illiterate

894

21

2.4

1.5-3.6

0.02

 

Literate

701

31

4.4

3.1-4.3

  

1595

    

Location: residence

Rural

1240

31

2.5

1.8-3.5

0.001

 

Urban

355

21

5.9

3.9-8.9

Location: geopolitical zone

South East

192

5

2.6

1.0-7.0

0.90

 

North West

432

12

2.8

1.7-4.7

 

North Central

267

8

3

1.4-6.2

 

South South

230

8

3.5

1.7-7.1

 

South West

343

13

3.8

2.3-6.2

 

North East

131

6

4.6

2.1-9.7

Biophysical factors

      

Blood pressure (mmHg)

Normal

878

21

2.4

1.6-3.7

0.03

 

Hypertension (any)

710

31

4.4

3.1-6.1

  

1588*

    

Blood pressure (mmHg)

Normal

878

21

2.4

1.6-3.7

0.13

 

Hypertension stage 1

373

15

4

2.5-6.5

 

Hypertension stage 2

189

8

4.2

2.2-8.1

 

Hypertension stage 3

148

8

5.4

2.8-10.3

  

1588*

    

Body mass index (kg/m2)

Underweight

187

3

1.6

0.5-4.9

<0.001

 

Normal

968

20

2.1

1.3-3.2

 

Overweight

286

17

5.9

3.8-9.3

 

Obese

134

11

8.2

4.7-14.0

  

1575*

    

Visual acuity

Not blind (>3/60)

1542

46

3

2.3-4.0

0.001

 

Blind (<3/60)

53

6

11.3

5.1-23.2

Total

 

1595

52

3.3

2.5-4.3

 
  1. *missing values excluded.