Table 4 Logistic regression model for predictors of neonatal death in Ifakara HDSS: 2004–2009 (N = 18,139)

Sex of newborn

Female (Ref.)

1.00

1.00

Male

1.33

1.13-1.58

<0.01

1.34

1.13-1.58

<0.01

Mothers’ age

Teenager mothers’ (20–34 years) (Ref.)

1.00

1.00

Non-Teenage mothers’ (13–19 years)

1.68

1.38-2.04

<0.01

1.64

1.34-2.02

<0.01

Non-Teenage mothers’ (35–49 years)

1.09

0.85-1.40

0.48

1.1

0.86-1.41

0.463

Birth order

First Births (Ref.)

1.00

1.00

Second births

1.37

1.16-1.62

<0.01

1.85

1.52-2.26

<0.01

Interval between first & second birth

Long birth interval (>33 months) (Ref)

1.00

Short birth interval (<33 months)

1.62

1.25-2.10

<0.01

1.50

1.16-196

<0.01

Maternal Education

Above primary education (Ref.)

1.00

1.00

None or Primary education

1.24

0.98-1.56

0.072

1.2

0.94-1.53

0.136

SES at birth

Poorest (Ref.)

1.00

Poorer

0.92

0.71-1.20

0.557

-

-

-

Poor

0.94

0.73-1.22

0.644

-

-

-

Less Poor

0.97

0.75-1.25

0.795

-

-

-

Least Poor

1.09

0.84-1.42

0.516

-

-

-

Place of delivery

Outside health facility (Ref.)

1.00

Health facility

0.91

0.83-1.16

0.842

-

-

-

Mother having partner

Absence (Ref.)

1.00

1.00

Presence of mothers’ partner

0.8

0.65-0.98

0.031

0.82

0.66-0.98

0.049

Season

Dry season (Ref.)

1.00

Wet season

0.98

0.83-1.16

0.813

-

-

-