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

5 (6.6)

12 (7.4)

3 (3.0)

1 (2.3)

1 (5.6)

3.0599

0.5478

Marital status

Single

Married

Divorced

150

190

60

8 (5.3)

7 (3.7)

7 (11.7)

4.8208

0.0897

Educational status

Primary

Secondary

Tertiary

Non-formal

64

154

86

96

5 (7.8)

5 (3.2)

3 (3.5)

9 (9.4)

4.9617

0.1745

Locality

Urban

Rural

145

255

10 (6.9)

12 (4.7)

0.7603

0.3832

Occupations

Students

Civil servants

Traders

Artisans

Farmers

Unemployed

43

58

67

81

63

88

4 (9.3)

2 (3.4)

4 (6.0)

3 (3.7)

5 (7.9)

4 (4.5)

2.7163

0.7436

History of Blood Transfusion

Yes

No

80

320

6 (7.5)

16 (5.0)

0.6798

0.4096

Tribal Marks

Yes

No

140

260

4 (2.9)

18 (6.9)

2.6239

0.1052

Types of Family

Monogamous

Polygamous

150

250

8 (5.3)

14 (5.6)

0.0115

0.9146

Parity

1^st Trimester

2^nd Trimester

3^rd Trimester

170

150

80

10 (5.9)

4 (2.7)

8 (10.0)

4.8529

0.0882

Self-Manicure

Yes

No

180

220

12 (6.7)

10 (4.5)

0.7662

0.3813

Self-Pedicure

Yes

No

180

220

14 (7.8)

8 (3.6)

2.9160

0.0876

Total

400

22 (5.5)