Table 1 Birthweight (mean, SD) and the percentage of low birthweight and preterm birth by decade and by area deprivation (measured by Townsend deprivation score, TDS, quartile)
| Â | TDS quartile 1 (least deprived) | TDS quartile 2 | TDS quartile 3 | TDS quartile 4 (most deprived) |
|---|---|---|---|---|
Birthweight (mean, SD) | ||||
1961–1970 | 3297 (592) | 3253 (617) | 3213 (622) | 3188 (613) |
1971–1980 | 3345 (518) | 3290 (536) | 3240 (542) | 3184 (565) |
1981–1990 | 3373 (524) | 3327 (549) | 3264 (548) | 3214 (568) |
1991–2000 | 3405 (562) | 3338 (581) | 3270 (593) | 3231 (587) |
Low birthweight (%) | ||||
1961–1970 | 7.2 | 9.0 | 10.6 | 10.7 |
1971–1980 | 5.1 | 6.2 | 7.5 | 9.2 |
1981–1990 | 4.6 | 5.6 | 6.8 | 8.6 |
1991–2000 | 5.1 | 6.6 | 8.3 | 9.0 |
Preterm birth (%) | ||||
1961–1970 | 6.5 | 7.2 | 7.5 | 7.7 |
1971–1980 | 4.7 | 5.6 | 6.6 | 8.0 |
1981–1990 | 4.7 | 5.7 | 7.4 | 8.8 |
1991–2000 | 5.9 | 6.7 | 8.4 | 9.7 |