Table 1 General characteristics of the study population ^a

Variable

Adult Population (n=1601)

Pediatric Population (n=287)

P-value^b

Age (Years)

37 ± 11 (18–60)

9.64 ± 0.78 (8–11)

<.0001

BMI

19.7 ± 3.1 (10.1-34.2)

14.1± 1.33 (11.46 - 25.1)

<.0001

Male

38%

50%

0.0003

Household Land Ownership

47%

54%

0.03

Current Betel Nut Use

29%

N/A

N/A

Current Cigarette Use

7%

N/A

N/A

B-As (μg/L)

7 ± 5.85 (0.57 - 56.3)

4.80 ±3.21 (0.873-21.0)

<.0001

U-As (μg/L)

90.7 ± 104 (1–1138)

78.2 ± 72.5 (6–461)

0.01

Urinary Creatinine (mg/dL)

48 ± 38.3 (3.7 - 338.8)

35.0 ± 24.2 (4.9-144.9)

<.0001

Water As (μg/L)

52.0 ± 73.0 (0.1 - 700.0)

43.6 ± 74.0 (3.0 - 464.0)

0.0702

Urinary As per gram Creatinine (μgAs/g Cre)

226 ± 257 (10.0 - 4135)

247 ± 185 (29.8 - 1265)

0.1072

Blood Se (μg/L)

127 ± 20.5 (59.5-222)

105±17.2 (64.1-174)

<.0001

Baseline Plasma Folate (nmol/L)

N/A

13.0 ± 5.37 (4.05 - 32.9)

N/A

Baseline Plasma B12 (nmol/L)

N/A

279.0 ± 142 (34.5 - 819)

N/A