Table 5

Odds ratios for living within 3 km from a waste site by low, medium, and high hazard category—non-chromosomal anomalies

Hazard categoryStudy areaDistance zoneCasesControlsOR*95% CI
*Adjusted for socioeconomic status and maternal age.
All study areas ≤3 km2945071.341.12 to 1.60
Undivided by hazard category3–7 km7721801
Overall hazard
Low3, 9, 10, 13≤3 km1272021.431.09 to 1.88
3–7 km400867
Medium1, 2, 7, 11, 12≤3 km801471.150.78 to 1.69
3–7 km167400
High4, 5, 6, 8, 15≤3 km871581.481.07 to 2.04
3–7 km205534
Trend in 3 ORs with hazard categoryp=0.87
Trend in 14 ORs with continuous hazard scorep=0.90
Water hazard
Low1, 3, 10, 11≤3 km771350.790.51 to 1.21
3–7 km158224
Medium5, 7, 9, 12, 13≤3 km1232031.431.10 to 1.86
3–7 km4231064
High2, 4, 6, 8, 15≤3 km941691.601.16 to 2.21
3–7 km191513
Trend in 3 ORs with hazard categoryp=0.06
Trend in 14 ORs with continuous hazard scorep=0.23
Air hazard
Low1, 9, 10, 11≤3 km73910.950.62 to 1.48
3–7 km172211
Medium3, 7, 12, 13, 15≤3 km1823371.481.19 to 1.85
3–7 km4871317
High2, 4, 5, 6, 8≤3 km39791.230.75 to 2.02
3–7 km113273
Trend in 3 ORs with hazard categoryp=0.55
Trend in 14 ORs with continuous hazard scorep=0.65(negative trend)