Table 3 Relative change in insecticide concentrations with self-reported pest treatments in 12 months before dust collection in cases and controls combined (n = 583) ^a

Carbamates

Carbaryl^b

0.72 (0.44, 1.2)

1.4 (0.53, 3.5)

1.9 (0.89, 3.8)

0.94 (0.56, 1.6)

0.88 (0.53, 1.5)

1.3 (0.81, 2.2)

1.5 (0.66, 3.5)

0.71 (0.37, 1.4)

Propoxur^c

1.3 (0.91, 1.7)

0.77 (0.42, 1.4)

1.4 (0.88, 2.2)

1.3 (0.94, 1.8)

0.88 (0.64, 1.2)

0.88 (0.64, 1.2)

0.89 (0.52, 1.5)

0.8 (0.54, 1.2)

Organo-phosphates

Chlorpyrifos^d

0.99 (0.76, 1.3)

1.7 (1.0, 2.8)

0.99 (0.67, 1.5)

0.99 (0.76, 1.3)

0.8 (0.61, 1.0)

1.7 (1.3, 2.2)

1.5 (0.97, 2.3)

0.85 (0.61, 1.2)

Diazinon^e

1.0 (0.73, 1.4)

1.4 (0.76, 2.5)

1.5 (0.95, 2.4)

0.87 (0.63, 1.2)

0.92 (0.66, 1.3)

1.5 (1.1, 2.1)

1.5 (0.86, 2.5)

1.5 (1.0, 2.3)

Pyrethroids

Cyfluthrin^f

0.70 (0.34, 1.4)

1.2 (0.36, 3.8)

1.5 (0.59, 3.9)

0.95 (0.46, 1.9)

1.1 (0.57, 2.3)

2.3 (1.2, 4.4)

4.0 (1.5, 11)

6.8 (3.0, 15)

Cypermethrin^g

2.5 (1.5, 4.2)

0.91 (0.36, 2.3)

1.9 (0.95, 3.8)

0.65 (0.39, 1.1)

1.7 (1.1, 2.8)

1.2 (0.72, 1.9)

0.91 (0.42, 2.0)

2.3 (1.3, 4.1)

Permethrin^h

1.3 (0.97, 1.9)

0.91 (0.49, 1.7)

2.3 (1.4, 3.7)

1.2 (0.87, 1.7)

1.6 (1.1, 2.2)

0.74 (0.54, 1.0)

1.6 (0.95, 2.8)

0.97 (0.64, 1.5)

Synergist

Piperonyl butoxideⁱ

1.5 (1.0, 2.1)

1.2 (0.61, 2.5)

2.6 (1.5, 4.4)

2.0 (1.4, 2.9)

1.2 (0.85, 1.8)

0.70 (0.49, 1.0)

1.6 (0.85, 2.8)

0.74 (0.46, 1.2)