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Table 1 Drift event size by case status, all crops, 2000–2015

From: Examining the role of wind in human illness due to pesticide drift in Washington state, 2000–2015

Event sizea Events Confirmed cases Unconfirmed cases
n (%) n (%) n (%)
1 162 (64.3) 162 (23.5) 9 (18.8)
2 39 (15.5) 78 (11.3) 3 (6.3)
3 16 (6.3) 48 (7.0) 4 (8.3)
4 12 (4.8) 48 (7.0)
5 3 (1.2) 15 (2.2) 7 (14.6)
6+ 20 (7.9) 339 (49.1) 25 (52.1)
Total 252 (100) 690 (100) 48 (100)
  1. a. Event size reflects the number of cases involved in a drift event