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Table 1 Demographic characteristics of the study population

From: Serum concentrations of per- and poly-fluoroalkyl substances (PFAS) in Danish pregnant women—temporal trends during pregnancy, correlations with partners, associations with physical activity, and blood lipid concentrations

 

Mothers

Partners

Number of participants

n = 216

n = 110

Age (years)

31.5 ± 4.3

33.5 ± 5.7

BMI (kg/m2)a

24.1 (21.9–28.7)

25.4 (23.6–27.7)

GA at inclusion (weeks)

12.6 (9.4–13.8)

NA

GA at delivery (weeks)b

40.4 (39.4–41.1)

NA

Parity (n (%))

 0

82 (38)

NA

 1

98 (45)

NA

 2

31 (14)

NA

 3

5 (2)

NA

Educational level (n (%))c

 School ≥ 12 years

189 (88)

83 (75)

 Further education ≥ 3 years

196 (91)

67 (60)

Employed/studying (n (%))

196 (90)

106 (96)

Smoking (n (%))

 Currently smoking

2 (1)

16 (15)

 Stopped recently

6 (7)

2 (2)

  1. Data are presented as mean ± standard deviation, median (interquartile range) and n (%). No statistical comparisons have been performed
  2. BMI Body mass index; GA: gestational age
  3. aMaternal BMI is self-reported pre-pregnancy BMI
  4. bGA at delivery, n = 178
  5. cSchool ≥ 12 years corresponds to high school, and Further education ≥ 3 years corresponds to a bachelor’s or master’s level
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Environmental Health

ISSN: 1476-069X