Table 5

Associations of well-water consumption at childhood and adulthood residences with PD.

% Exposed*


Cases, n = 319

Controls, n = 296

p for trend (GEE model 1)**

OR and 95% CI (GEE model 2)**


History of well water use

Ever

61.8

59.1

1.08

0.77–1.50

Never

37.6

39.9

1.00

Referent

Duration (years)

0.52

>22

23.5

20.3

1.17

0.74–1.86

10.5–22

20.1

19.3

1.10

0.71–1.71

<10.5

18.2

18.9

1.02

0.64–1.61

Never

37.6

39.9

1.00

Referent


*Column totals may not sum to 100 due to rounding or missing data.

**GEE model adjusted for AAE, sex, cigarette smoking, and caffeine consumption.

Hancock et al. BMC Neurology 2008 8:6   doi:10.1186/1471-2377-8-6

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