Organochlorine Pesticide Levels and Risk of Parkinson’s Disease in North Indian Population

Table 3

Result of logistic regression.

	Collinearity statistics*		Variables in the equation^†
	Tolerance	VIF	𝐵	S.E.	Wald	df	Sig.	OR	95% CI for OR
									Lower	Upper
Step 1
Age	0.92	1.08	−0.07	0.04	3.46	1	0.063	0.92	0.85	1.0
Sex	0.94	1.05	−0.61	0.57	1.14	1	0.285	0.54	0.17	1.67
𝛽-HCH	0.83	1.20	0.94	0.21	19.17	1	0.000	2.56	1.68	3.91
Dieldrin	0.93	1.06	0.73	0.20	13.26	1	0.000	2.09	1.41	3.11
𝑝𝑝^′-DDE	0.85	1.17	0.19	0.12	2.36	1	0.124	1.22	0.95	1.57
Constant	—	—	2.62	2.37	1.22	1	0.269	13.74	—	—

∗Dependent variable: groups.
^†Variable(s) entered on step 1: age, sex, 𝛽-HCH, dieldrin, 𝑝𝑝^′-DDE.