Table 2

Summary relative risks for a change in pollution from the 10th to the 90th centile for non-chromosomal and chromosomal anomalies by pollutant

Non-chromosomal anomalies (n=6136)Chromosomal anomalies (n=2949)
PollutantUnadjusted RR (95% CI)Adjusted RR (95% CI)Unadjusted RR (95% CI)Adjusted RR (95% CI)
SO21.02 (0.98 to 1.07)0.99 (0.93 to 1.05)0.98 (0.91 to 1.05)1.06 (0.98 to 1.15)
NO20.81 (0.75 to 0.86)0.97 (0.84 to 1.11)1.00 (0.91 to 1.11)1.11 (0.95 to 1.30)
PM100.74 (0.69 to 0.79)0.89 (0.75 to 1.07)1.05 (0.96 to 1.16)1.18 (0.97 to 1.42)