Table 2 Survival regression coefficients with standard errors in parentheses obtained on the first, second, and third quartiles; as well as from Cox PH and AFT models

Maternal Age

 Less than 20 years

0.744 (0.697)

0.633 (0.625)

0.565 (0.565)

0.794 (0.720)

-0.210 (0.189)

 20 to 35 years

-

-

-

-

-

 35 + years

-2.025**

(0.783)

-1.795**

(0.706)

-1.630**

(0.641)

-2.125**

(0.834)

0.563***

(0.216)

Mother’s Education

 No Education

-

-

-

-

-

 Primary

-0.152 (0.835)

-0.174 (0.756)

-0.173 (0.687)

-0.090 (0.853)

0.016 (0.224)

 Secondary

0.306 (0.849)

0.228 (0.767)

0.192 (0.696)

0.393 (0.854)

-0.107 (0.225)

 Higher

2.240*

(1.175)

1.894*

(1.048)

1.685*

(0.942)

2.451**

(1.160)

-0.647**

(0.302)

Area of Residence

 Rural

1.021*

(0.614)

0.897

(0.550)

0.811

(0.497)

1.064

(0.656)

-0.281

(0.172)

 Urban

-

-

-

-

-

Gender of Child

 Male

-

-

-

-

-

 Female

0.885*

(0.473)

0.782*

(0.423)

0.711*

(0.381)

0.927*

(0.498)

-0.243*

(0.130)

Wealth Index

 Poor

-0.453 (0.568)

-0.412 (0.509)

-0.379 (0.460)

-0.470 (0.627)

0.121 (0.165)

 Middle

-

-

-

-

-

 Rich

0.686 (0.656)

0.601 (0.584)

0.542 (0.525)

0.722 (0.689)

-0.192 (0.181)

Previous Birth Interval

 1^st Birth

-

-

-

-

-

 Less than 2 years

-0.441 (0.968)

-0.429 (0.871)

-0.408 (0.793)

-0.435 (0.990)

0.121 (0.260)

 2 years or more

1.975***

(0.656)

1.710***

(0.589)

1.537***

(0.532)

2.097***

(0.659)

-0.552***

(0.170)

Protected Against Tetanus

 Unprotected

-

-

-

-

-

 Protected

0.981 (0.599)

0.883 (0.539)

0.809*

(0.488)

1.027*

(0.597)

-0.266*

(0.156)

Skilled ANC Provider

 No

-

-

-

-

-

 Yes

0.955*

(0.554)

0.844*

(0.497)

0.764*

(0.449)

1.010*

(0.574)

-0.270*

(0.150)

Media Exposure

 No

-

-

-

-

-

 Yes

0.678 (0.499)

0.587 (0.447)

0.536 (0.403)

0.677 (0.559)

-0.174 (0.147)

Immediate Breastfeeding

 No

-

-

-

-

-

 Yes

3.105***

(0.515)

2.719***

(0.455)

2.456***

(0.407)

3.285***

(0.578)

-0.862***

(0.142)