Table 4.
Odds ratios (ORs), with 95 % confidence intervals (CI) for HM mortality, by time-weighted average proximity of residences to refinery for 109 cases and 186 matched controls with relative interviewed
| Residentiala proximity, tertiles | All haematological malignancies | Leukemia plus non-Hodgkin lymphoma | ||
|---|---|---|---|---|
| No. cases/No. controls | ORb (95 % CI) | No. cases/No. controls | ORb (95 % CI) | |
| All participants with relative interviewed | ||||
| 1, reference | 36/62 | 1 | 27/47 | 1 |
| 2 | 42/68 | 1.08 (0.63–1.87) | 34/53 | 1.12 (0.60–2.09) |
| 3 | 31/56 | 0.90 (0.51–1.62) | 24/46 | 0.86 (0.43–1.70) |
| p trend | 0.770 | 0.688 | ||
| Females with relative interviewed | ||||
| 1, reference | 12/38 | 1 | 9/28 | 1 |
| 2 | 24/26 | 2.56 (1.16–5.66) | 18/19 | 2.55 (1.03–6.04) |
| 3 | 16/25 | 1.52 (0.64–3.61) | 11/20 | 1.30 (0.45–3.76) |
| p trend | 0.207 | 0.409 | ||
| Participants, relative interviewed, retired, homemaker, or unemployedc | ||||
| 1, reference | 11/32 | 1 | 6/21 | 1 |
| 2 | 26/30 | 2.41 (0.98–5.89) | 21/23 | 3.44 (1.04–11.37) |
| 3 | 16/17 | 2.19 (0.85–5.70) | 11/12 | 3.25 (0.82–12.87) |
| p trend | 0.079 | 0.083 | ||
a Residential information obtained from municipal records
bORs estimated by conditional logistic regression
cRetired, homemaker, or unemployed for at least 10 years during study time window: 53 cases (34 females) and 79 matched controls (53 females)