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Table 4 Characteristics of women who benefited from IFAS and women in the sample

From: Heckman-type selection models to obtain unbiased estimates with missing measures outcome: theoretical considerations and an application to missing birth weight data

 

Full Sample N = 7325

IFAS n = 3260

Educational attainment

 Never attended school

4021 (54.9)

1869 (57.3)

 Primary school

2203 (30.1)

963 (29.5)

 Coranic

383 (5.2)

136 (4.2)

 Secondary school or higher

718 (9.8)

292 (9.0)

Literacy

 Can’t write and read

5394 (73.6)

2494 (76.5)

 Can read

342 (4.7)

138 (4.2)

 Can write and read

1589 (21.7)

628 (19.3)

Maternal age (years)

 15–19

1013 (13.8)

436 (13.4)

 20–34

5132 (70.1)

2281 (70.0)

 35–49

1180 (16.1)

543 (16.7)

Socioeconomic status

 Most poor

1482 (20.2)

727 (22.3)

 Poor

1453 (19.8)

715 (21.9)

 Middle

1477 (20.2)

665 (20.4)

 Rich

1510 (20.6)

730 (22.4)

 Most rich

1403 (19.2)

423 (13.0)

Marital status

 Single

787 (10.7)

304 (9.3)

 Common-law union

2942 (40.2)

1336 (41.0)

 Married

3541 (48.3)

1599 (49.1)

 Divorced/widowed

55 (0.8)

21 (0.6)

Previous births

 0 child

294 (4.0)

120 (3.7)

 1–4 children

5439 (74.3)

2437 (74.8)

  ≥ 5 children

1592 (21.7)

703 (21.5)

Place of birth

 Health facility

4198 (57.3)

1915 (58.7)

 Home

2917 (39.8)

1259 (38.6)

 Other place

210 (2.9)

86 (2.6)

Child sex

 Male

3696 (50.5)

1618 (49.6)

 Female

3629 (49.5)

1642 (50.4)

Child birthweight

  < 2500 g

563 (7.7)

297 (9.1)

  ≥ 2500 g

3947 (53.9)

2007 (61.6)

 Unknown

2815 (38.4)

956 (29.3)

Twin births

 

 Yes

355 (4.8)

172 (5.3)

 No

6970 (95.2)

3088 (94.7)

Malaria

 Confirmed

3393 (46.3)

1609 (49.4)

 Not confirmed

3932 (53.9)

1651 (50.6)

Persistent fever

 Yes

2198 (30.0)

1072 (32.9)

 No

5127 (70.0)

2188 (67.1)

Lack of appetite

 Yes

1537 (21.0)

647 (19.8)

 No

5788 (79.0)

2613 (80.2)