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. Author manuscript; available in PMC: 2009 Apr 1.
Published in final edited form as: Am J Epidemiol. 2008 Mar 7;167(7):831–838. doi: 10.1093/aje/kwm385

FIGURE 1.

FIGURE 1

Relative risk (RR) of Parkinson’s disease according to quintile (Q) of baseline dietary urate index in the Health Professionals Follow-up Study, 1986-2000. Results were adjusted for age (in months), smoking status (never smoker, past smoker, or current smoker of 1-14 cigarettes/day or ≥15 cigarettes/day), body mass index (weight (kg)/height (m)2; <23, 23-24.9, 25-26.9, 27-29.9, or ≥30), use of nonsteroidal antiinflammatory drugs (yes/no), use of diuretics (yes/no), physical activity (quintiles), caloric intake (kcal/day), and caffeine intake (quintiles). p for trend = 0.0008. Bars, 95% confidence interval.