Table 1.
Sociodemographic characteristics of the cases
| Characteristics of mothers | n (%) or mean ± SD |
|---|---|
| Mean age | 30.4 ± 5.4 |
| Gravidity | |
| ≤ 2 | 75 (59.1) |
| 2–4 | 26 (20.5) |
| ≥ 4 | 26 (20.5) |
| Parity | |
| ≤ 2 | 113 (89) |
| 2–4 | 9 (7.1) |
| ≥ 4 | 5 (3.9) |
| Delivery type | |
| Vaginal | 26 (20.5) |
| Cesarean section | 101 (79.5) |
| Number of household members | |
| ≤ 2 | 25 (19.7) |
| 2–4 | 29 (22.8) |
| ≥ 4 | 73 (57.5) |
| Smoking by household members | 66 (52) |
| Characteristics of infants | n (%) or mean ± SD |
| Gender | |
| Male | 62 (48.8) |
| Female | 65 (51.2) |
| Weeks of Gestation | |
| Early term | 72 (56.7) |
| Full term | 47 (37.0) |
| Late term | 8 (6.3) |
| Birth weight | |
| Small for gestational age | 8 (6.3) |
| Appropriate for gestational age | 93 (73.2) |
| Large for gestational age | 26 (20.5) |
| Exclusive breastfeeding | 46 (54.7) |
| Bronchiolitis history | 24 (28.5) |
| Number of siblings | |
| ≤ 2 | 107 (84.3) |
| 2–4 | 13 (10.2) |
| ≥ 4 | 7 (5.5) |
| Number of school-aged siblings | |
| ≤ 2 | 118 (92.9) |
| 2–4 | 7 (5.5) |
| ≥ 4 | 2 (1.6) |