Table 2.
Description of the sample characteristics of two birth cohorts from Brazilian cities [São Luís (n = 1,447) and Ribeirão Preto (n = 1,400)] in 2010.
| Variable | Descriptive Statistics | |||||
|---|---|---|---|---|---|---|
| Category | Frequency (%) | P-Test | ||||
| Exposure | Total (n = 2,847) |
São Luís (n = 1,447) |
Ribeirão Preto (n = 1,400) |
T-Test | Chi Square | |
| Psychological violence | – | 45.90 | 48.41 | 43.24 | – | 0.006 |
| Physical violence | – | 11.56 | 12.40 | 10.67 | 0.151 | |
| Sexual violence | – | 2.48 | 2.84 | 2.11 | 0.216 | |
| Outcomes | ||||||
| Fevera | – | 8.39 | 7.95 | 8.86 | – | 0.382 |
| Diarrheaa | 13.91 | 14.58 | 13.21 | – | 0.292 | |
| Antibiotic medicationa | 5.09 | 3.52 | 6.72 | – | <0.000 | |
| Anti–inflammatory medicationa | 13.66 | 12.72 | 14.64 | – | 0.135 | |
| Covariates | ||||||
| Maternal age | Mean | 25.76 | 25.75 | 25.76 | 0.936 | – |
| Householder's occupation | Does not apply | 11.28 | 11.13 | 11.43 | – | <0.001 |
| Manual and non-skilled | 27.18 | 24.63 | 29.84 | – | – | |
| Manual and skilled | 45.56 | 43.18 | 48.03 | – | – | |
| Non manual and non-skilled | 11.06 | 14.49 | 7.50 | – | – | |
| Non manual and skilled | 4.08 | 5.21 | 2.90 | – | – | |
| Not active | 0.84 | 1.36 | 0.30 | – | – | |
| Marital status | Married | 29.16 | 22.74 | 35.82 | – | <0.001 |
| Living together | 51.42 | 57.43 | 45.20 | – | – | |
| Single | 17.59 | 18.04 | 17.12 | – | – | |
| divorced/widowed | 1.83 | 1.80 | 1.86 | – | – | |
| Family's income | <1 MS | 4.68 | 4.99 | 4.35 | – | <0.001 |
| 1–3 MS | 52.30 | 56.05 | 48.14 | |||
| 3–5 MS | 42.94 | 38.82 | 47.51 | |||
| 5 or more | 0.07 | 0.14 | 0.00 | |||
| Mother's educational level | Primary school | 20.05 | 12.53 | 27.83 | – | <0.001 |
| Secondary school | 69.87 | 75.55 | 63.99 | – | – | |
| Tertiary incomplete | 5.53 | 7.34 | 3.66 | – | – | |
| Tertiary complete | 4.55 | 4.57 | 4.52 | – | – | |
MS, minimum salary.
a
In the last 2 weeks.