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Table 3 Associations of childhood and adulthood direct pesticide application with PD in positive history families.

From: Pesticide exposure and risk of Parkinson's disease: A family-based case-control study

  % Exposed*    
  Cases, n = 91 Controls, n = 81 p for trend (GEE model 1)** OR and 95% CI (GEE model 2)**
History of pesticide use     
   Ever 62.6 55.6   1.20 0.58–2.50
   Never 37.4 44.4   1.00 Referent
Frequency (days/year)   0.72   
   >11 20.9 19.8   1.36 0.49–3.78
   4–11 20.9 14.8   0.96 0.34–2.69
   <4 16.5 19.8   1.07 0.40–2.89
   Never 37.4 44.4   1.00 Referent
Duration (years)   0.54   
   >27 24.2 14.8   1.87 0.79–4.46
   13–27 17.6 19.8   1.03 0.39–2.74
   <13 17.6 17.3   1.33 0.44–4.04
   Never 37.4 44.4   1.00 Referent
Cumulative exposure (days)   0.72   
   >242 22.0 13.6   1.21 0.44–3.36
   60–242 17.6 19.8   0.88 0.33–2.34
   <60 15.4 17.3   1.34 0.44–4.08
   Never 37.4 44.4   1.00 Referent
  1. *Column totals may not sum to 100 due to rounding or missing data.
  2. **GEE model adjusted for AAE, sex, cigarette smoking, and caffeine consumption.