Table 1.
Characteristics of the 334 genotyped HEALS participants with arsenic species measured in blood and urine as a part of the FACT, FOX, or NIAT studies
| Participant characteristics | n (%) or mean (SD/IQR) |
|---|---|
| Study | |
| FACT | 125 (37.4%) |
| FOX | 78 (23.4%) |
| NIAT | 131 (39.2%) |
| Sex | |
| Male | 184 (55.1%) |
| Female | 150 (44.9%) |
| Smoking status | |
| Current or past | 133 (39.8%) |
| Never | 201 (60.2%) |
| Age in years | |
| Mean (SD) | 40.8 (9.8) |
| Median (IQR) | 40 (33, 48) |
| Range (min, max) | 45 (21, 66) |
| BMI (kg/m2) | |
| Mean (SD) | 20.1 (3.0) |
| Median (IQR) | 19.6 (18.0, 21.7) |
| Range (min, max) | 18.3 (14.2, 32.5) |
BMI indicates body mass index; FACT, Folic Acid and Creatine Trial; FOX, folate and oxidative stress; NIAT, nutritional influences on arsenic toxicity.