Table 2 Variables associated with receiving untreated or inadequately treatment for maternal syphilis

Age

0.98(0.95-1.00)

0.086

0.99 (0.96–1.02)

0.410

Residence status

 Local

reference

reference

 Migrant

3.91 (2.60–6.09)

< 0.001

1.83 (1.25–2.73)

0.003

Marital status

 First marriage

reference

reference

 Unmarried

3.15(2.18–4.53)

< 0.001

3.21 (1.97–5.28)

< 0.001

 Others

2.08(1.36–3.12)

0.001

1.26 (0.75–2.08)

0.372

Education

 Middle school or less

reference

reference

 High school and higher

0.48 (0.34–0.66)

< 0.001

0.69 (0.49–0.97)

0.033

Occupation

 Officer / Business / Service industry

reference

reference

 Farmer

2.23 (1.21–4.25)

0.012

1.74 (0.89–3.50)

0.109

 Unemployed / Others / Unknown

3.15 (1.92–5.46)

< 0.001

2.43 (1.41–4.39)

0.002

Multipara

 No

reference

reference

 Yes

2.66 (1.87–3.83)

< 0.001

3.68 (2.51–5.50)

< 0.001

History of adverse pregnancy outcome

 No

reference

reference

 Yes

0.60(0.39–0.89)

0.014

0.66 (0.44–0.98)

0.045

History of syphilis infection

 No

reference

reference

 Yes

0.42 (0.30–0.59)

< 0.001

0.59 (0.42–0.82)

0.002

Current staging of syphilis infection

 Latent

reference

reference

 Primary / Secondary / Tertiary

0.74 (0.38–1.37)

0.363

1.15 (0.79–1.66)

0.478

Non-treponemal serum test titer

 < 1:8

reference

reference

 ≥ 1:8

1.34 (0.94–1.89)

0.108

1.15(0.79–1.66)

0.477

Location of diagnosing hospital

 Urban

reference

reference

 Suburban

1.74 (1.20–2.55)

0.004

1.19 (0.81–1.76)

0.374

 Rural

1.07 (0.72–1.58)

0.746

0.87 (0.58–1.30)

0.495

Type of diagnosing hospital

 Public

reference

reference

 Private

2.64 (1.47–4.74)

0.001

1.45 (0.74–2.85)

0.275

Grade of diagnosing hospital

 Township

reference

reference

 District

0.50 (0.33–0.75)

< 0.001

0.72 (0.46–1.13)

0.148

 Municipal / Provincial

0.49 (0.34–0.71)

< 0.001

0.77 (0.51–1.18)

0.229