Table 3

Demographic characteristics of 18 female dry cleaning workers in the study

Characteristic
Mean ± Standard deviation
Range
Percent

Age (years)
41 ± 12
22 – 68

Body mass index a
28 ± 5
21 – 37

Race (white)


72
Employment in industry (years)
8 ± 5
1 – 19


a BMI calculated as weight(kg)/[height (m)]2. Normal BMI for adult women is 19–25 kg/m2. BMI > 30 is considered obese [35]

McKernan et al. Environmental Health 2008 7:12   doi:10.1186/1476-069X-7-12