Skip to main content
. Author manuscript; available in PMC: 2011 May 1.
Published in final edited form as: J Expo Sci Environ Epidemiol. 2009 Nov 4;20(6):559–569. doi: 10.1038/jes.2009.54

Table 3.

Algorithm intensity scores from observations and an interviewer-administered questionnaire and correlations between scoresa

Observation Questionnaire Spearman
N Mean ± SD Range Mean ± SD Range r p
2,4-D 69 9.9 ± 4.5 1.8 – 20 10.3 ± 4.6 3.0 – 20 0.92 <0.001
Chlorpyrifos 17 9.2 ± 2.4 4.4 – 14 9.4 ± 2.6 6.6 – 14 0.84 <0.001
a

Based on scores calculated for post-application urine samples