Variable | Total | Intended | Mistimed | Unwanted | |
---|---|---|---|---|---|
 | N | % | % | % | % |
Sociodemographic variables | |||||
 Maternal age (years) | |||||
   < 20 | 4571 | 19.1 | 34.7 | 33.5 | 31.8 |
  20 to 34 | 16807 | 70.4 | 46.2 | 25.3 | 28.6 |
  35 and over | 2509 | 10.5 | 52.0 | 12.8 | 35.2 |
 Schooling level | |||||
   ≤ 7 years | 6017 | 26.6 | 39.6 | 21.4 | 39.1 |
  8 to 11 years | 12537 | 25.6 | 44.6 | 26.5 | 28.9 |
  12 or more years | 5472 | 39.0 | 59.3 | 24.8 | 16.0 |
 Skin color | |||||
  White | 8701 | 36.2 | 52.7 | 23.8 | 23.5 |
  Black | 1879 | 7.8 | 40.8 | 23.1 | 36.1 |
  Brown | 13191 | 54.9 | 43.7 | 25.6 | 30.7 |
  Yellow | 265 | 1.1 | 41.3 | 29.9 | 28.8 |
Individual variables | |||||
 Marital status | |||||
  With partner | 19440 | 81.4 | 49.5 | 25.0 | 25.5 |
  Without partner | 4432 | 18.6 | 22.9 | 28.0 | 49.1 |
 Has paid work | |||||
  No | 14272 | 59.7 | 40.5 | 26.6 | 32.8 |
  Yes | 9616 | 40.3 | 50.5 | 23.9 | 25.6 |
 Alcohol use | |||||
  No | 20070 | 86.0 | 46.2 | 25.5 | 28.3 |
  Yes, but with no alcoholism risk | 922 | 4.0 | 43.1 | 24.8 | 32.2 |
  Yes, with alcoholism risk | 2340 | 10.0 | 34.3 | 26.4 | 39.3 |
 Tobacco use | |||||
  No | 21579 | 90.4 | 45.7 | 26.2 | 28.1 |
  Yes | 2296 | 9.6 | 33.7 | 19.5 | 46.8 |
 Parity | |||||
  Primiparous | 9910 | 41.5 | 51.5 | 29.4 | 19.1 |
  1 | 6697 | 28.0 | 46.6 | 26.0 | 27.5 |
  2 | 3702 | 15.5 | 33.0 | 19.1 | 47.9 |
  3 or more | 3575 | 15.0 | 22.5 | 14.9 | 62.6 |
Adverse obstetric outcomes in previous pregnancya | |||||
 Neonatal death | |||||
  No | 12254 | 96.6 | 38.1 | 22.2 | 39.7 |
  Yes | 432 | 3.4 | 50.3 | 17.8 | 31.9 |
 Stillbirth | |||||
  No | 12129 | 95.6 | 35.7 | 16.6 | 32.7 |
  Yes | 558 | 4.4 | 41.3 | 20.5 | 38.3 |
 Preterm birth (GA < 37 weeks) | |||||
  No | 11176 | 88.1 | 39.2 | 22.4 | 38.4 |
  Yes | 1510 | 11.9 | 33.2 | 19.9 | 46.9 |
 Low birth weight (BW < 2500 g) | |||||
  No | 11039 | 87.0 | 39.1 | 22.6 | 38.4 |
  Yes | 1648 | 13.0 | 34.5 | 19.0 | 46.5 |
 Maternal complicationsb | |||||
  No | 10774 | 86.3 | 38.7 | 22.5 | 38.8 |
  Yes | 1717 | 13.7 | 36.2 | 19.8 | 44.0 |