Table 1.

Descriptive statistics for study participants (n = 74).

Characteristic	n	Mean	SD
Age at first participation (years)	74	42.9	13.5
Body Mass Index (kg/m2)	74	29.4	6.5
Years as a boilermaker (years)	73	11.0	10.5
Tn-As (μg/g)	74	0.18	0.15
Alcohol (drinks per week)	74	19.4	33.5
Daily caloric intake (kcal)	74	2275	1273
	n	%
White	63	85
Current smokers	26	35
Male	74	100