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. Author manuscript; available in PMC: 2018 Sep 1.
Published in final edited form as: Neurotoxicology. 2017 Jun 2;62:138–150. doi: 10.1016/j.neuro.2017.06.001

Table 2.1.

Study Population Characteristics

Participant Characteristics Farmworkers
(n = 48)
Non-Farmworkers
(n = 26)
*p-value
Age 40.33±6.99 (Min/Max: 31/71) 43.61±10.49 (Min/Max: 30/58) 0.1108
Education 0.0654
 0–6 grade (Edu1) 17 (35.4%) 7 (26.9%)
 7–11 grade (Edu2) 24 (50.0%) 9 (34.6%)
 12 grade or more (Edu3) 7 (14.6%) 10 (38.5%)
Country of birth <0.0001
 Mexico 48 (100%) 15 (57.7%)
 Central America 8 (30.8%)
 South America 3 (11.5%)
Occupation N/A
 Farmworker 48 (100)
 construction 7 (26.9%)
 Production 6 (23.1%)
 Food preparation/restaurant 3 (11.5%)
 Maintenance/cleaning 3 (11.5%)
 Sales 1 (3.8%)
 Mechanic 2 (7.7%)
 Other 1 (3.8%)
 Unemployed 3 (11.5%)
Pack years smoked at baseline, yrs 1.6695±4.64 0.6501 ±2.94 0.3617
Smoking status 18 smokers (37.5%) 2 smokers (7.7%) <0.0001