Table 1 Characteristics of non-pregnant and pregnant^a women^b

Age (years)^c

35 ± 7

(20–45)

32 ± 4

(24–41)

Body weight (kg)^d

67.2 ± 13.3

(47.1–101.6)

74.2 ± 8.8

(52.4–91.2)

Height (m)^c

1.69 ± 0.06

(1.55–1.81)

1.67 ± 0.06

(1.59–1.83)

Prepregnancy body weight (kg)

–

–

66 ± 9

(47–85)

Non-pregnant BMI (kg/m²)^d

23.4 ± 4.0^e

(17.7–33.6)^e

24 ± 3^f

(18–32)^f

Total body fat (%)

29.8 ± 7.7

(12.2–43.8)

32.1 ± 5.4

(19.9–40.7)

 Office work

 Nursing

 Child care

 Other

 Never

 1–2 times a week

 >  2 times a week