Table 1.
Characteristics of mothers and newborns, Aburrá Valley, Colombia, 2016
| Characteristic | n | % |
|---|---|---|
| Mothers (N = 790) | ||
| Birth cohort by age and vaccination* | ||
| Cohort I (1972–1982) | 94 | 11.9 |
| Cohort II (1983–1994) | 442 | 55.9 |
| Cohort III (1995–2002) | 254 | 32.2 |
| Residential area | ||
| Urban | 751 | 95.1 |
| Rural | 39 | 4.9 |
| Maternal education (years) | ||
| ≤ 11 | 606 | 76.7 |
| > 11 | 182 | 23.0 |
| Unknown | 2 | 0.3 |
| Social security† | ||
| Contributory/special | 385 | 48.7 |
| Subsidized | 362 | 45.8 |
| Uninsured | 43 | 5.4 |
| Marital status | ||
| Married | 575 | 72.8 |
| Single/divorced | 215 | 27.2 |
| Overcrowding | ||
| Yes | 26 | 3.3 |
| No | 764 | 96.7 |
| Parity | ||
| 1 | 378 | 47.8 |
| 2 | 215 | 27.2 |
| 3 | 116 | 14.7 |
| ≥ 4 | 81 | 10.3 |
| Use of immunosuppressant steroids | ||
| Yes | 13 | 1.6 |
| No | 777 | 98.4 |
| Newborns (N = 734) | ||
| Type of delivery | ||
| Caesarean | 529 | 72.6 |
| Vaginal | 200 | 27.4 |
| Sex | ||
| Boys | 385 | 52.5 |
| Girls | 349 | 47.5 |
| Gestational age (weeks) | ||
| 37 | 140 | 19.1 |
| 38 | 166 | 22.6 |
| 39 | 202 | 27.5 |
| 40 | 191 | 26 |
| 41 | 35 | 4.8 |
| Birth weight (g) | ||
| < 2,500 | 42 | 5.7 |
| ≥ 2,500 | 690 | 94.3 |
*
Cohort I: born between1972 and 1982, start of massive immunization, natural exposure to the virus, or mothers who received at least one dose of measles-containing vaccine (MCV); cohort II: born between 1983 and 1994, MCV in regular program plus “catch-up” campaigns (1984), Measles Mumps and Rubella (MMR; 1995–1997) and MCV (2005); cohort III: born between 1995 and 2002: two-dose MMR.
†
Contributory/special: individuals had a formal employment relationship or had financial resources to pay their contribution independently/military and employees of state companies.