Risk factor

Number Tested

Number Positive (%)

Chi square

P value

Age (Years)

< 20

21-30

31-40

41-50

< 51

76

162

101

43

18

4 (5.3)

6 (3.7)

2 (2.0)

2 (4.7)

0 (0.0)

2.0990

0.7175

Marital status

Single

Married

Divorced

150

190

60

4 (2.7)

5 (2.6)

5 (8.3)

4.3855

0.1115

Educational status

Primary

Secondary

Tertiary

Non-formal

64

154

86

96

3 (4.7)

4 (2.6)

3 (3.5)

4 (4.2)

0.7128

0.8702

Locality

Urban

Rural

145

255

5 (3.4)

9 (3.5)

0.0017

0.9673

Occupations

Students

Civil servants

Traders

Artisans

Farmers

Unemployed

43

58

67

81

63

88

2 (4.7)

1 (1.7)

3 (4.5)

2 (2.5)

4 (6.3)

2 (2.3)

2.8287

0.7263

History of Blood Transfusion

Yes

No

80

320

5 (6.3)

9 (2.8)

2.0472

0.1524

Tribal Marks

Yes

No

140

260

6 (4.3)

8 (3.1)

0.3658

0.5453

Types of Family

Monogamous

Polygamous

150

250

7 (4.7)

7 (2.8)

0.8978

0.3433

Parity

1^st Trimester

2^nd Trimester

3^rd Trimester

170

150

80

8 (4.7)

4 (2.7)

2 (2.5)

1.1874

0.5522

Self-Manicure

Yes

No

180

220

9 (5.0)

5 (2.3)

2.0278

0.1544

Self-Pedicure

Yes

No

180

220

4 (2.2)

10 (4.5)

1.4786

0.2239

Total

400

14 (3.5)