Table 3.
Temporal trends in low birth weight, preterm birth, small-for-gestational age (SGA) birth and perinatal mortality rates, Kaniyambadi (KB) and Nova Scotia (NS), 1986 to 2005.
| Period | Low birth weight/100 live births | Preterm births/100 live births | SGA rate/100 live births | Stillbirths/1,000 total births | Early neonatal deaths/1,000 live births | Perinatal deaths/1,000 total births | ||||||
| KB | NS | KB | NS | KB | NS | KB | NS | KB | NS | KB | NS | |
| 1986–87 | 18.9 | 5.8 | 13.0 | 6.3 | 52.8 | 8.8 | 23.2 | 8.0 | 23.3 | 4.5 | 46.0 | 12.6 |
| 1988–89 | 18.1 | 5.5 | 14.3 | 5.7 | 49.9 | 7.9 | 26.7 | 6.8 | 23.5 | 3.2 | 49.6 | 9.9 |
| 1990–91 | 16.2 | 5.6 | 11.9 | 6.0 | 47.0 | 8.1 | 18.1 | 5.7 | 17.9 | 3.1 | 35.7 | 8.8 |
| 1992–93 | 17.1 | 5.5 | 10.6 | 6.3 | 47.1 | 7.9 | 21.6 | 5.9 | 17.4 | 3.6 | 38.6 | 9.5 |
| 1994–95 | 16.1 | 5.5 | 11.6 | 6.7 | 46.9 | 7.7 | 18.0 | 5.5 | 15.2 | 3.1 | 32.9 | 8.6 |
| 1996–97 | 16.8 | 5.4 | 13.6 | 7.1 | 44.3 | 7.5 | 25.6 | 4.5 | 15.2 | 2.8 | 40.5 | 7.3 |
| 1998–99 | 18.2 | 5.2 | 12.7 | 7.7 | 44.6 | 6.7 | 20.9 | 5.0 | 17.2 | 2.0 | 37.7 | 7.0 |
| 2000–01 | 17.0 | 5.3 | 12.0 | 7.7 | 46.6 | 6.5 | 17.7 | 4.3 | 17.4 | 2.2 | 34.7 | 6.4 |
| 2002–03 | 16.0 | 5.5 | 12.1 | 8.4 | 43.9 | 6.6 | 17.5 | 4.8 | 18.3 | 2.0 | 35.5 | 6.8 |
| 2004–05 | 15.4 | 5.7 | 11.5 | 7.9 | 46.0 | 6.3 | 19.7 | 4.9 | 14.5 | 1.6 | 33.9 | 6.4 |
| Total | 17.0 | 5.5 | 12.3 | 6.9 | 46.9 | 7.5 | 20.9 | 5.6 | 18.0 | 2.9 | 38.6 | 8.5 |
Small for gestational age (SGA) rates determined using the 10th percentile cutoff of a Canadian fetal growth standard [25]. Perinatal outcome rates were estimated based on subjects without missing information (42,343 to 49,806 in Kaniyambadi and 159,893 to 208,020 in Nova Scotia).