TABLE 1.
Demographic data regarding very preterm infants (<31 weeks’ gestational age) in Nova Scotia according to five-year epochs, 1988 to 2007
| Characteristic | Epoch | P | |||
|---|---|---|---|---|---|
|
| |||||
| 1988–1992 | 1993–1997 | 1998–2002 | 2003–2007 | ||
| Maternal age, years, mean ± SD | 27.0±5.8 | 28.1±5.9 | 28.6±6.2 | 28.8±5.6 | 0.001 |
| Single-parent family, n/n (%) | 57/267 (21.3) | 53/336 (15.8) | 77/331 (23.3) | 62/339 (18.3) | NS |
| Birth weight, g, mean ± SD | 998±333 | 994±346 | 1048±399 | 1062±379 | 0.03 |
| Gestational age, weeks, mean ± SD | 27.0±2.4 | 27.2±2.6 | 27.0±2.7 | 27.1±2.6 | NS |
NS Not statistically significant