Table 2

Mean, standard deviation, median, and range for the covariates for the total group and subgroups of subjects
Variables All (n=144) Group 1 (n=72) Group 2 (n=72)
Mean Median Range Mean Median Range Mean Median Range
Age (years) 38.7 (7.8) 38.0 22-55 39.9 (8.5) 43.0 22-52 37.5 (7.1) 36.0 26-55
Gender
Female 20 6 14
Male 124 66 58
PNE 30 27 3
Shooting
WP 3 3 0
NP 39 33 6
Tenure - - - 15.8 (8.1) 16.5 2-34 0 0 0
Smoking 21.26 (30.7) 14.0 0-140 26.8 (32.1) 14.0 0-140 18.7 (15.8) 12 0-80
Alcohol 17.4 (17.8) 13.5 0-60 15.6 (16.3) 13.5 0-60 31.2 (24.4) 27 0-60

Note. Group 1: Solvent-exposed workers Group 2: Non-exposed workers.

() Standard deviation.

Alcohol. Number of drinks per month.

Smoking. Number of cigarettes per week.

Tenure. Years working at the factory exposed to solvents.

PNE. Number of subjects who have been exposed to noise in previous jobs.

Shooting WP. Number of subjects who have shot wearing hearing protection.

Shooting NP. Number of subjects who have shot without wearing hearing protection.

Fuente et al.

Fuente et al. BMC Public Health 2013 13:39   doi:10.1186/1471-2458-13-39

Open Data