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Table 4 Logistic regression intercept and model coefficients for predictive model of low birth weight

From: Building a predictive model of low birth weight in low- and middle-income countries: a prospective cohort study

Characteristics, n (%)

β

Intercept

13.20554481

Site

 Democratic Republic of the Congo

-0.67484249

 Zambia

-0.92682525

 Kenya

-1.40723953

 Guatemala

-0.12309222

 Belagavi, India

ref

 Nagpur, India

0.0235633

 Pakistan

0.014503

 Bangladesh

-0.44466011

Maternal age

  < 20

0.09673194

 20–35

ref

  > 35

0.22481042

Maternal education

 No formal education

0.22003102

 Primary/secondary

0.13738521

 University + 

ref

Parity

 0

0.15987423

 1

ref

 2

-0.12135872

 3

-0.14800543

 4 + 

-0.26721066

Maternal height in cm

-0.02437492

Maternal weight in kg

-0.02930749

Socioeconomic status score

  < 34

0.0989827

 34–65

0.07650165

 66 + 

ref

Previous livebirth

 Yes

ref

 No

0.53308781

 No previous pregnancy lasting 20 + weeks

0.15987423

Number of antenatal care visits

 0

0.68585889

 1–3

0.51101636

 4 + 

ref

Iron supplement

0.14676482

Vitamin or calcium supplement

0.01635523

Hypertensive disorder

-1.18879701

Severe antepartum hemorrhage

-2.00835591

Severe infection during pregnancy

-1.07404103