Table 1 The general characteristics of the participant subjects included in the study.

From: A study of the correlation between urinary perchlorate, nitrate, thiocyanate, and serum liver function indices

Characteristics

Mean ± SD/number (%)

Age(years)

49.23 ± 17.32

 < 60

2276(67.62%)

 ≥ 60

1090(32.38%)

Gender

 Male

1749(51.96%)

 Female

1617(48.04%)

Education level

 Below high school

592(17.59%)

 High school

812(24.12%)

 University and above

1962(58.29%)

Race

 Mexican American

482(14.32%)

 Other Hispanic

329(9.77%)

 Non-Hispanic White

1420(42.19%)

 Non-Hispanic Black

680(20.2%)

 Other Race (multiracial)

455(13.52%)

BMI (kg/m2)

29.62 ± 7.09

 < 25

896(26.62%)

 25 to 29.9

1091(32.41%)

 ≥ 30

1379(40.97%)

Family PIR

2.62 ± 1.63

 < 1.31

1135(33.72%)

 1.31 to 3.50

1141(33.9%)

 > 3.50

1090(32.38%)

Serum cotinine (ng/mL)

63.23 ± 137.40

 ≤ 0.011

1083(32.17%)

 > 0.011

2283(67.83%)

Drug use

 Yes

1954(58.05%)

 No

1412(41.95%)

Drink

 Yes

538(15.98%)

 No

2828(84.02%)

Hypertension

 Yes

1229(36.51%)

 No

2137(63.49%)

Diabetes

 Yes

435(12.92%)

 No

2821(83.81%)

Borderline

110(3.27%)