had the next highest %D at 52% and median concentration of 186 ng/g
dust. Deltamethrin, esfenvalerate, and resmethrin were detected in
less than half the samples.
Multiple intra-household correlations between particular pyrethroid
concentrations were found to be statistically significant (Table 3).
The correlation of the cis- and trans-permethrin isomers was significant
with a Spearman rank correlation coefficient (rs) of 0.81, p b .0001. All
other correlations between pyrethroids that were statistically significant
(p b 0.05) had rs values below 0.5.
3.3. Correlation of interview data with measured concentrations in dust
In the field staff-collected pesticide inventory, 29.1% of the homes had
at least one bottle of residential pesticide present. In the participant interview,
30.2% of the women reported using outdoor spray pesticides
and 34.6% reported using indoor pesticide sprays. Many women reported