Table 2.
Descriptive statistics for the whole sample and subjects exposed or non-exposed to COVID-19 SARS-CoV-2.
| All ( N = 281) | Exposure ( N = 167) | Non-exposure ( N = 114) | t | p | |||||
|---|---|---|---|---|---|---|---|---|---|
| Mean | SD | Mean | SD | Mean | SD | ||||
| Gestational age (weeks) | 39.72 | 1.04 | 39.69 | 1.04 | 39.76 | 1.03 | 0.21 | 0.83 | |
| Birth weight (grams) | 3,358.56 | 424.16 | 3,376.95 | 435.07 | 332.08 | 408.52 | 0.49 | 0.62 | |
| Head circumference (cm) | 34.26 | 1.15 | 34.26 | 1.21 | 34.26 | 1.05 | −0.01 | 0.99 | |
| Neonatal length (cm) | 50.36 | 1.93 | 50.41 | 1.99 | 50.31 | 1.85 | −0.43 | 0.67 | |
| Apgar (min 1) | 9.18 | 0.68 | 9.17 | 0.68 | 9.18 | 0.68 | 0.49 | 0.63 | |
| Maternal age at delivery (years) | 33.20 | 4.65 | 33.91 | 4.25 | 34.38 | 4.41 | −0.74 | 0.46 | |
| Emotional stress | 2.52 | 0.72 | 2.59 | 0.75 | 2.43 | 0.67 | 1.83 | 0.07 | |
| Social support | 5.98 | 1.18 | 5.88 | 1.31 | 6.05 | 1.07 | 0.03 | 0.24 | |
| Depressive symptoms | 6.31 | 5.65 | 6.39 | 5.73 | 6.20 | 5.57 | 0.71 | 0.79 | |
| Anxious symptoms | 35.71 | 10.18 | 35.62 | 10.11 | 35.84 | 10.31 | 0.92 | 0.86 | |
| N | % | N | % | N | % | X2 | p | ||
| Delivery | Vaginal | 194 | 69.0 | 124 | 72.1 | 77 | 65.4 | 1.73 | 0.42 |
| Operative | 20 | 7.1 | 10 | 6.5 | 7 | 6.5 | |||
| Cesarean section | 48 | 17.1 | 33 | 21.4 | 30 | 28.1 | |||
| Infants' sex | Females | 138 | 49.1 | 82 | 49.4 | 56 | 49.5 | 0.01 | 0.92 |
| Males | 143 | 50.9 | 85 | 50.6 | 58 | 50.5 | |||
| Maternal educational level | Primary school | 23 | 8.2 | 12 | 7.2 | 11 | 9.6 | 2.01 | 0.57 |
| Secondary school | 116 | 41.3 | 73 | 43.7 | 43 | 37.7 | |||
| Bachelor/master | 126 | 44.8 | 74 | 44.3 | 52 | 45.6 | |||
| Post-graduate | 16 | 5.7 | 8 | 4.8 | 9 | 7.0 | |||
| Exclusive breastfeeding | Yes | 180 | 64.1 | 107 | 64.1 | 73 | 64.0 | <0.01 | 0.99 |
| No | 101 | 35.9 | 60 | 35.9 | 41 | 36.0 | |||