Table 3.

Results of multilevel linear regression models of log concentrations of commonly detected pesticides in silicone wristbands worn by office workers in the USA, UK, China, and India.

Variable	Chlorpyrifos		Cypermethrin		Malathion		p,p’-DDE		Permethrin
	% Change	p	% Change	p	% Change	p	% Change	p	% Change	p
Country
United States	Excluded		Excluded		Excluded		Reference		Reference
United Kingdom	Reference		Excluded		Excluded		−39%	0.39	−41.80%	0.19
China	300%	0.39	−98.7% ***	<0.0001	Excluded		131%	0.18	−64.5% *	0.029
India	396000% ***	<0.0001	Reference		–		540% **	0.0054	−63.2% *	0.037
Year of Building Construction	1.33%	0.83	60.1% ***	0.00042	27%	0.45	−0.61%	0.39	0.33%	0.53
Pesticide Applied in Last Year	−30.90%	0.73	517% *	0.042	580%	0.55	60.10%	0.29	−19.90%	0.5
Ate Raw Produce At Desk	62.10%	0.18	−47.10%	0.38	−12.30%	0.7	−27.50%	0.28	3.58%	0.87
Average # Times Hands Washed	−1.18%	0.92	25.60%	0.39	−32% *	0.021	−5%	0.66	0.81%	0.93
Wore Wristband Under Sleeve	15.40%	0.68	286% *	0.048	−15.90%	0.46	0.38%	0.99	−19.50%	0.31

Excluded = fewer than 5% of samples in the country had detectable levels so were excluded from model.

Note: Model outcomes were log-transformed before analysis, so model estimates were transformed to percent differences.