Table 2.

Demographics for dairy worker population monitored on high plains U.S. dairies 2007–2011.

Population characteristics	Total n (%)	Male n (%)	Female n (%)
Gender (n = 115)	115	102 (88.9%)	13 (11.1%)
Age distribution (n = 115)
18–24years	32 (27.9%)	30 (29.4%)	2 (15.4%)
25–40years	55 (47.8%)	50 (49.0%)	5 (38.5%)
41–72years	28 (24.3%)	22 (21.6%)	6 (46.2%)
Ethnicity (n = 115)
Hispanic or Latino	91 (79.1%)	82 (80.4%)	9 (69.2%)
Not Hispanic or Latino	9 (7.8%)	7 (6.9%)	2 (15.4%)
Don’t know	15 (13.1%)	13 (12.7%)	2 (15.4%)
Country of origin
United States	9 (8%)
Mexico	82 (72.6%)
Guatemala	12 (10.6%)
Other	10 (8.8%)
Education (English or Spanish) (n = 109)
Primary	51 (46.8%)	44 (45.4%)	7 (58.3%)
Middle	12 (11.0%)	11 (11.3%)	1 (8.3%)
High	34 (31.2%)	34 (35.1%)	0
University	11 (10.1%)	7 (7.2%)	4 (33.3%)
Don’t know	1 (0.9%)	1 (1.0%)	0
Dairy work experience (n = 114)
New worker (≤ 1year)	19 (16.7%)	16 (15.8%)	3 (23.1%)
Experienced worker (> 1year)	95 (83.3%)	85 (84.2%)	10 (76.9%)
Current smoker (n = 113)
No	95 (84.1%)	83 (83.0%)	12 (92.3%)
Yes	18 (15.9%)	17 (17.0%)	1 (7.7%)
Smoked during monitoring (n = 114)
No	107 (93.9%)	94 (93.1%)	13 (100.0%)
Yes	7 (6.1%)	7 (6.9%)	0