Carstairs deprivation category | Pregnancy prevalence NTDs/1000 live births 1983–95 |
Proportion of water with lead values > 10 μg/l (95% CI) |
1 | 1.6 | 0.16 (0.11 to 0.21) |
2 | 2.2 | 0.28 (0.21 to 0.34) |
3 | 2.2 | 0.21 (0.14 to 0.28) |
4 | 2.2 | 0.29 (0.24 to 0.33) |
5 | 2.5 | 0.26 (0.19 to 0.32) |
6 | 2.6 | 0.17 (0.13 to 0.21) |
7 | 2.8 | 0.12 (0.09 to 0.15) |
CI, confidence interval.