Table 1 Baseline characteristics by intervention versus comparison group (n [%] or mean [sd])
Characteristic | All (N = 75) | Comparison (n = 38) | Intervention (n = 37) |
|---|---|---|---|
Age (years) | |||
 18–24 | 10 (13%) | 5 (13%) | 5 (14%) |
 25–44 | 30 (40%) | 14 (37%) | 16 (43%) |
 45–64 | 28 (37%) | 15 (39%) | 13 (35%) |
 >  64 | 7 (9%) | 4 (11%) | 3 (8%) |
Sex | |||
 Male | 48 (64%) | 21 (55%) | 27 (73%) |
 Female | 27 (36%) | 17 (45%) | 10 (27%) |
Education level | |||
 Primary school or less | 38 (51%) | 20 (53%) | 18 (49%) |
 Some or all of middle school | 9 (12%) | 5 (13%) | 4 (11%) |
 Some or all of high school | 22 (29%) | 9 (24%) | 13 (35%) |
 More than high school | 5 (7%) | 4 (11%) | 1 (3%) |
 Don’t know/refused/missing | 1 (1%) | 0 (0%) | 1 (3%) |
Years living in the US | |||
 < 1 | 25 (33%) | 12 (32%) | 13 (35%) |
 3–10 | 7 (9%) | 2 (5%) | 5 (14%) |
 > 10 | 41 (55%) | 23 (61%) | 18 (49%) |
 Don’t know/refused/missing | 2 (3%) | 1 (3%) | 1 (3%) |
Country of origin | |||
 United States | 2 (3%) | 0 (0%) | 2 (5%) |
 Mexico | 72 (96%) | 38 (100%) | 34 (92%) |
 Don’t know/refused/missing/other | 1 (1%) | 0 (0%) | 1 (3%) |
Years working in agriculture in the US | |||
 < 1 | 29 (39%) | 16 (42%) | 13 (35%) |
 1–5 | 8 (11%) | 4 (11%) | 4 (11%) |
 6–9 | 6 (8%) | 1 (3%) | 5 (14%) |
 10 or more | 32 (43%) | 17 (45%) | 15 (41%) |
H-2A status | |||
 H-2A worker | 28 (37%) | 14 (37%) | 14 (38%) |
 Not H-2A | 47 (63%) | 24 (63%) | 23 (62%) |
Company | |||
 Small | 15 (20%) | 8 (21%) | 7 (19%) |
 Large - 1 | 28 (37%) | 14 (37%) | 14 (38%) |
 Large - 2 | 32 (43%) | 16 (42%) | 16 (43%) |
Received heat-related illness training in the past year | |||
 Yes | 54 (72%) | 24 (63%) | 30 (81%) |
 No | 20 (27%) | 14 (37%) | 6 (16%) |
 Don’t know/refused/missing | 1 (1%) | 0 (0%) | 1 (3%) |
Informed by healthcare provider about selected personal health conditionsa | |||
 Diabetes | 5 (7%) | 3 (8%) | 2 (5%) |
 High blood pressure | 16 (21%) | 9 (24%) | 7 (18%) |
 Heart disease | 2 (3%) | 2 (5%) | 0 (0%) |
Body mass index (kg/m2) | 30.2 (5.0) | 30.1 (5.2) | 29.7 (4.8) |