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Table 1 Baseline characteristics of participants in the POUNDS Lost study

From: Associations of Perfluoroalkyl substances with blood lipids and Apolipoproteins in lipoprotein subspecies: the POUNDS-lost study

N

326

Age (years)

52.7 ± 8.7

Sex, men, %

39.0

Race, %

 White

85.3

 Black

11.0

 Hispanic

2.8

 Other

0.9

BMI (kg/m2)

32.3 ± 3.8

Weight (kg)

91.7 ± 15.3

Weight (lbs)

202.2 ± 33.8

Waist circumference (cm)

103.2 ± 12.9

Education level, high school or less, %

9.8

Current smoker, yes, %

3.4

Alcohol consumption (drinks/week)

2.1 ± 2.8

Physical activitya

1.6 ± 0.1

Systolic blood pressure (mmHg)

119.8 ± 13.1

Diastolic blood pressure (mmHg)

75.1 ± 8.9

Glucose (mg/dl)

92.1 ± 11.3

PFOS (ng/ml)

23.5 (15.9, 38.0)

PFOA (ng/ml)

4.6 (3.3, 6.4)

PFHxS (ng/ml)

2.4 (1.6, 3.6)

PFNA (ng/ml)

1.5 (1.0, 2.3)

PFDA (ng/ml)

0.4 (0.2, 0.5)

Total plasma (mg/dl)

 Total cholesterol

188.9 (168.0, 225.3)

 Triglycerides

96.9 (69.3, 140.6)

 ApoB

85.8 (69.3, 110.5)

 ApoE

7.7 (6.1, 9.3)

 ApoC-III

13.4 (10.6, 17.1)

IDL + LDL containing apoC-III (mg/dl)

 Cholesterol

7.2 (5.2, 10.2)

 Triglycerides

5.7 (3.9, 8.3)

 ApoB

2.8 (1.8, 4.5)

 ApoE

0.20 (0.13, 0.30)

 ApoC-III

1.4 (0.9, 2.1)

IDL + LDL lacking apoC-III (mg/dl)

 Cholesterol

107.0 (86.9, 129.5)

 Triglycerides

18.2 (13.2, 27.5)

 ApoB

72.7 (58.0, 92.8)

 ApoE

0.50 (0.35, 0.76)

HDL containing apoC-III (mg/dl)

 Cholesterol

6.1 (4.7, 8.2)

 Triglycerides

2.4 (1.6, 3.7)

 ApoE

4.1 (3.1, 4.8)

 ApoC-III

10.7 (8.0, 13.9)

HDL lacking apoC-III (mg/dl)

 Cholesterol

54.9 (45.7, 67.4)

 Triglycerides

6.3 (4.6, 9.6)

 ApoE

2.2 (1.5, 3.2)

  1. Data are mean ± SD, median (interquartile range), or percentage (%). aPhysical activity was estimated by the Baecke Questionnaire. BMI Body mass index, TG Triglycerides, PFOS Perfluorooctane sulfonate, PFOA Perfluorooctanoate, PFHxS Perfluorohexanesulfonate, PFNA Perfluorononanoic acid, PFDA Perfluorodecanoic acid