Table 2.
Mean±sd values of some of the participants’ characteristics
| Variable | Mean±sd | Min-Max |
|---|---|---|
| Age (years) | 20.9±2.7 | 18–35 |
| Gestational age at recruitment (weeks) | 16.9±1.5 | 12–18 |
| Pre-pregnancy weight (kg) | 53.1±7.6 | 37–76 |
| Weight at recruitment (kg) | 56.9±8.1 | 38-82 |
| Maternal pre-pregnancy BMI (kg/m2) | 21.3±2.7 | 15.0–29.4 |
| Maternal height (cm) | 157.4±5.7 | 142.0–173.1 |
| Rate of GWG during second trimester (grams/week) | 306.6±100.9 | 80–750 |
| Rate of GWG during third trimester (grams/week) | 294.3±101.4 | 100–600 |
| Average rate of GWG during 2nd & 3rdtrimesters (grams/week) | 300.5±79.7 | 90–630 |
| Gestational weight gained by 36 weeks of gestation (kg) | 9.6±2.2 | 5.0–16 |
| Gestational age at delivery (weeks) | 39.4±1.0 | 37–42 |
sd = standard deviation, Min = minimum, Max = maximum