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Table 1 Characteristics of the study participants

From: Metabolic profiling of pregnancy: cross-sectional and longitudinal evidence

Characteristics

NFBC1966

YFS

FINRISK1997

Non-pregnant

Pregnant

Non-pregnant

Pregnant

Non-pregnant

Pregnant

Number

1782

191

806

60

1350

71

Gestational age at blood sampling (week)

–

22 (13–29)

–

23 (15–30)

–

–

Age (year)

31 (0)

31 (0)

32 (5)

31 (5)

37 (7)

32 (5)

Weight (kg)

65 (13)

67 (11)

67 (13)

71 (12)

66 (12)

70 (13)

Waist (cm)

79 (11)

82 (12)

80 (11)

85 (10)

77 (10)

83 (13)

Hip (cm)

97 (8)

97 (8)

100 (9)

102 (7)

99 (8)

101 (9)

BMI (kg/m2)

24 (4)

24 (4)

24 (5)

26 (4)

25 (4)

26 (4)

Systolic blood pressure (mmHg)

117 (10)

116 (9)

111 (10)

109 (11)

119 (10)

114 (11)

Diastolic blood pressure (mmHg)

73 (8)

66 (10)

68 (8)

61 (9)

74 (8)

68 (9)

Smoking prevalence (%)

38

25

20

10

23

8

Alcohol usage (g/day)

2.1 (0.6–5.7)

1.0 (0.0–3.5)

3.3 (0.0–8.2)

0.0 (0.0–0.0)

1.8 (0.0–7.0)

0.0 (0.0–0.0)

Parity (n)

2 (1–2)

1 (0–2)

1 (0–2)

1 (0–2)

–

–

  1. Values are mean (SD) for normally distributed and median (interquartile range) for skewed variables. Information on whether women have given birth before was not available for FINRISK1997. BMI: body mass index