TABLE 3.
Percentage of decedents with Lewy pathology by the presence and absence of measurable levels of an organochlorine compound
| Measurable levels of anorganochlorine compound |
||||
|---|---|---|---|---|
| Organochlorine | Absent | Present | Relative odds | P |
| Heptachlor epoxide | 16.3 (50/306)a | 30.1 (120/399) | 2.2 (1.5–3.2)b | < 0.001 |
| Hexachlorobenzene | 17.8 (45/253) | 27.7 (125/452) | 1.8 (1.2–2.6) | 0.003 |
| α-Chlordane | 22.1 (127/576) | 33.3 (43/129) | 1.8 (1.2–2.7) | 0.007 |
| t-Nonachlor | 11.8 (4/34) | 24.7 (166/671) | 2.5 (0.9–7.1) | 0.085 |
| 4,4′-DDD | 23.6 (161/681) | 37.5 (9/24) | 1.9 (0.8–4.5) | 0.119 |
| Endrin | 24.6 (165/670) | 14.3 (5/35) | 0.5 (0.2–1.3) | 0.163 |
| Lindane | 23.7 (139/586) | 29.6 (24/81) | 1.4 (0.8–2.3) | 0.246 |
| γ-Chlordane | 23.0 (97/422) | 26.1 (69/264) | 1.2 (0.8–1.7) | 0.349 |
| Methoxychlor | 23.8 (161/678) | 33.3 (5/15) | 1.6 (0.4–5.2) | 0.370 |
| Dieldrin | 23.1 (72/312) | 24.9 (98/393) | 1.1 (0.8–1.6) | 0.567 |
| β-BHC | 23.8 (149/625) | 26.3 (21/80) | 1.1 (0.7–1.9) | 0.635 |
| Oxychlordane | 24.4 (142/581) | 22.6 (28/124) | 0.9 (0.6–1.4) | 0.660 |
| 4,4′-DDE | 22.5 (9/40) | 24.2 (161/665) | 1.1 (0.5–2.4) | 0.806 |
| Endosulfan 1 | 24.1 (161/667) | 23.7 (9/38) | 1.0 (0.5–2.1) | 0.943 |
| Mirex | 24.1 (114/473) | 24.1 (56/232) | 1.0 (0.7–1.4) | 0.992 |
| α-BHC | 24.1 (163/676) | 24.1 (7/29) | 1.0 (0.4–2.4) | 0.998 |
a
Number with Lewy pathology/sample size.
b
95% confidence interval.
Note: Data on methoxychlor are missing for 8 decedents without Lewy pathology and 4 decedents with Lewy pathology. Data on γ-chlordane are missing for 15 decedents without Lewy pathology and 4 decedents with Lewy pathology. Data on lindane are missing for 31 decedents without Lewy pathology and 7 decedents with Lewy pathology.