Table 1.
Baseline * Pre-Harvest Demographic and Clinical Characteristics by Assigned Kidney Function Group.
| Characteristics | All Workers (n = 483) | AKF Workers (n = 22) | RKF Workers (n = 70) | NKF Workers (n = 391) | |
|---|---|---|---|---|---|
| Mean (SD) | Mean (SD) | Mean (SD) | Mean (SD) | p Value | |
| Age, years | 28.6 (8.5) | 29.2 (6.7) | 33.5 (8.7) | 27.7 (8.2) | <0.0001 |
| Number of harvests worked | 2.9 (1.2) | 3.5 (1.3) | 3.1 (1.3) | 2.8 (1.2) | 0.01 |
| Body mass index, kg/m2 (n = 320) | 23.1 (2.6) | 23.4 (2.6) (n = 16) | 23.8 (2.7) (n = 49) | 23.0 (2.5) (n = 255) | 0.11 |
| eGFR, ml/min per 1.73 m2 | 112.38 (15.02) | 102.6 (18.4) | 102.2 (17.4) | 114.8 (13.3) | <0.0001 |
| Race/Ethnicity, n (%) (n = 448) | |||||
| Latino | 137 (30.6%) | 3 (15.0%) (n = 20) | 24 (36.4%) (n = 66) | 110 (30.4%) (n = 362) | 0.19 |
| Indigenous | 311 (69.4%) | 17 (85.0%) | 42 (63.6%) | 252 (69.6%) | |
| Home residence, n (%) | |||||
| Local (Zona) | 319 (66.1%) | 19 (86.4%) | 57 (81.4%) | 243 (62.2%) | 0.0009 |
| Highland (Altiplano) | 164 (34.0%) | 3 (13.6%) | 13 (18.6%) | 148 (37.9%) | |
| Job Type, n (%) | |||||
| Cane Cutter | 386 (79.9%) | 19 (86.4%) | 59 (84.3%) | 308 (78.8%) | 0.42 |
| Production Worker | 97 (20.1%) | 3 (13.6%) | 11 (15.7%) | 83 (21.2%) | |
| Mild hypertension ** n (%) (n = 243) | 120 (49.4%) | 8 (57.1%) (n = 14) | 14 (34.2%) (n = 41) | 98 (52.1%) (n = 188) | 0.09 |
| Smoking, n (%) (n = 317) | 29 (9.2%) | 3 (18.8%) (n = 16) | 9 (18.4%) (n = 49) | 17 (6.8%) (n = 252) | 0.01 *** |
| Alcohol intake, n (%) (n = 317) | 22 (6.9%) | 2 (12.5%) (n = 16) | 6 (12.2%) (n = 49) | 14 (5.6%) (n = 252) | 0.11 *** |
* Baseline is defined as the first-recorded harvest worked between the years 2012–2016. ** Mild hypertension: systolic blood pressure = 130–139 mmHg and/or diastolic blood pressure = 80–89 mmHg. *** Fisher’s Exact Test.