Table 1. Sociodemographic and clinical characteristics of the study population.
| Maternal Data | n (%) |
|---|---|
| Years of agea | 22.12 ± 5.7 |
| Birthplace | |
| State–of–Mexico | 41 (61.2) |
| Mexico City | 14 (20.9) |
| Other (Oaxaca, Puebla, and Veracruz states) | 12 (17.9) |
| Main activity | |
| Housewife | 60 (89.6) |
| Student | 1 (1.49) |
| General employee | 6 (8.96) |
| Educational levelb | |
| Elementary school | 17 (25.4) |
| High school | 21 (31.3) |
| College | 25 (37.3) |
| None | 4 (5.97) |
| Parity | |
| Uniparous | 27 (40.3) |
| Multiparous | 40 (59.7) |
| Neonate’s delivery mode | |
| Vaginal | 46 (68.7) |
| C-Section | 21 (31.3) |
| Neonatal data | n (%) |
| Age at sample collection, daysc | |
| <3 | 61 (91.0) |
| 4–6 | 6 (9.0) |
| Sex | |
| Female | 40 (59.7) |
| Vaginal | 28 (41.8) |
| C-section | 12 (17.9) |
| Male | 27 (40.3) |
| Vaginal | 18 (26.9) |
| C-section | 9 (13.4) |
Notes.
a
Expressed as mean ± standard deviation, n—sample number, State–of–Mexico (19.6049°N 99.0606°O), Mexico City (19.4285° N 99.1277°O), Other states: Oaxaca (17.0654°N 96.7236°O), Puebla (19.0379°N 98.2035°O), Veracruz (19.181°N 96.1429°O).
b
Equivalent based on U.S. Department of Education (McFarland et al., 2018).
c
Postpartum days.