Table 3.

Exposure to lead from improperly discarded batteries^a among a convenience sample of children aged 9 months to 6 years (n = 258), by geographic area, Haiti, 2015^b

Location	Total No. of Children	Children With Elevated Blood Lead Levels, No. (%)	Attributable Risk, %c	Prevalence Ratio (95% CI)	P Valued
Mountain areae
Exposed	51	47 (92.2)	23	1.34 (1.07-1.66)	.004
Unexposed	42	29 (69.0)
Urban areaf
Exposed	35	20 (57.1)	4	1.09 (0.72-1.64)	.69
Unexposed	40	21 (52.5)
Coastal areag
Exposed	46	30 (65.2)	15	1.30 (0.91-1.88)	.14
Unexposed	44	22 (50.0)

^a Parents were asked if there were improperly discarded batteries at home, at school, or in play areas.

^b Data collected at 6 churches in Haiti from March 1 through June 30, 2015.

^c The risk difference between exposed and unexposed children.

^d Calculated using the Pearson χ² test, with P < .05 considered significant.

^e Artibonite Department.

^f Nord-Ouest Department.

^g Centre Department.