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Table 1 Baseline characteristics of the PRINCE birth cohort. Depicted is either the mean value or the percentage value. Values are given as mean ± 1 standard deviation (SD) or as absolute and relative frequencies (an = 197, bn = 196)

From: Maternal nutrition, inadequate gestational weight gain and birth weight: results from a prospective birth cohort

Characteristics

Total n = 200

Clinical characteristics

 Maternal age (years)

31.0 (±3.5)

 Height (cm)

168 (±6)a

Weight

 Weight at the beginning of pregnancy (kg)

69.9 (±13.9)a

 BMI (kg/m2)

24.7 (4.6)a

 BMI <18,5 (kg/m2)

4 % (n = 8)

 BMI 18,5 - <25 (kg/m2)

63 % (n = 124)

 BMI 25 - <30 (kg/m2)

21 % (n = 41)

 BMI ≥30 (kg/m2)

12 % (n = 24)

Parity

 First pregnancy

57 % (n = 114)

 Former pregnancy

43 % (n = 86)

 1 living child

49 % (n = 41)

 ≥2 living children

13 % (n = 11)

Delivery

 Gestational age at delivery (weeks)

40.0 (±1.5)a

 Fetal weight at delivery (g)

3457 (±497)b

 <3rd percentile

2 % (n = 3)

 >97th percentile

2 % (n = 4)

 Life birth

197 (98 %)

 Pregnancy discontinued (termination, miscarriage)

3 (2 %)

Lifestyle characteristics

Education level b

 No high school diploma

22 % (n = 44)

 High school or vocational diploma

34 % (n = 66)

 College or higher education

44 % (n = 86)

Smoking habits

 Current non-smokers

100 %

Alcohol use

 Alcohol abstinence

100 %