Table 4 Associated factors of syphilis infection among pregnant women at Yirgalem hospital, Southern Ethiopia, 2016

Age(years)

< 25

155 (96.3)

6 (3.7)

1

25-29

202 (94.4)

12 (5.6)

1.5 (0.563-4.180)

≥30

112 (94.1)

7 (5.9)

1.6 (0.528-4.935)

Residence

Urban

312 (93.7)

21 (6.3)

2.6 (0.892-7.829)**

2.6 (0.845-7.982)

0.096

Rural

157 (97.5)

4 (2.5)

1

Education

Illiterate

57 (96.6)

2 (3.4)

1

Elementary

160 (95.2)

8 (4.8)

1.4 (0.294-6.909)

Secondary

156 (94.0)

10 (6.0)

1.8 (0.388-8.592)

Tertiary

96 (95.0)

5 (5.0)

1.5 (0.279-7.903)

Occupational

House wife

231 (93.9)

15 (6.1)

2.8 (0.359-21.695)

Health worker

17 (89.5)

2 (10.5)

5.0 (0.430-59.525)

Employed

128 (96.2)

5 (3.8)

1.7 (0.191-14.780)

Merchant

50 (96.2)

2 (3.8)

1.7 (0.151-19.632)

Student

43 (97.7)

1 (2.3)

1

Marital status

Married

426 (95.3)

21 (4.7)

1

Not cohabiting*

43 (91.5)

4 (8.5)

1.9 (0.619-5.751)

Gestational age at screening

First trimester

98 (98.0)

2 (2.0)

1

Second trimester

170 (94.4)

10 (5.6)

2.9 (0.619-13.423)**

3.8 (0.778-18.847)

0.099

Third trimester

201 (93.9)

13 (6.1)

3.2 (0.701-14.319)**

4.6 (0.959-22.340)

0.056

Gravidity

Primigravidae

153 (95.6)

7 (4.4)

1

Multigravidae(≥2)

316 (94.6)

18 (5.4)

1.2 (0.509-3.044)

Frequency of

1

196 (96.1)

8 (3.9)

1

ANC visit

≥2

273 (94.1)

17 (5.9)

1.5 (0.646-3.606)

Multiple sexual

Yes

41 (91.1)

4 (8.9)

2.0 (0.651-6.701)

Partner

No

428 (95.3)

21 (4.7)

1

Place of

Home

89 (93.7)

6 (6.3)

1.3 (0.464-3.502)

previous birth

Health institution

227 (95.0)

12 (5.0)

1

HIV

Non-reactive

429 (96.8)

14 (3.2)

1

Reactive

40 (79.4)

11 (21.6)

8.4 (3.859-19.786)**

10.3 (4.213-25.185)

0.001