Table 2. Food consumption in study population by distribution of aflatoxin M1 biomarker in urine.
| Amount of Food Consumeda | Aflatoxin M1[n (%)]b | ||
|---|---|---|---|
| Detectable | Non-detectable | ||
| Corn | < ½ cup (1 ear) | 2 (10.5) | 28 (18.9) |
| ≥ ½ cup (1 ear) | 17 (89.5) | 120 (81.1) | |
| Corn tortillas | < 1 tortilla | 2 (11.8) | 2 (1.4) |
| ≥ 1 tortilla | 15 (88.2)* | 142 (98.6) | |
| Corn bread/muffins | < 1 piece (muffin) | 1 (12.5) | 12 (13.0) |
| ≥ 1 piece (muffin) | 7 (87.5) | 80 (87.0) | |
| Corn chips | < 1 cup (10 chips) | 5 (26.3) | 44 (30.3) |
| ≥1 cup (10 chips) | 14 (73.7) | 101 (69.7) | |
| Rice | < ½ cup | 0 (0.0) | 31 (19.9) |
| ≥ ½ cup | 18 (100.0)* | 125 (80.1) | |
| Peanut butter | < 1 tablespoon | 4 (25.0) | 17 (19.3) |
| ≥ 1 tablespoon | 12 (75.0) | 71 (80.7) | |
| Nuts | < ¼ cup | 2 (12.5) | 54 (39.7) |
| ≥ ¼ cup | 14 (87.5)* | 82 (60.3) | |
a
Amount of food consumed at each time of consumption.
b
Numbers within subgroups differ slightly from the total number of samples analyzed for AFM1 due to missing responses.
*
p ≤ 0.05 in comparison of distribution in AFM1-detectable and AFM1-non-detectable groups in Fisher exact test.