Table 1

Study population demographics (mean ± SD) N = 6,161

Maternal characteristics

Birth characteristics


Age (years)

31.0 (± 5.1)

Gender (% girls)

50.1%

Pre-pregnancy BMI (kg/m2)

23.0 (± 3.6)

Gestational age (weeks)

39.8 (± 1.7)

Educational level (years after primary school)

9.1 (± 3.9)

% Preterm birth (<37 weeks)

4.9%

% Primipara

55.6%

Birthweight (g)

3452 (± 550)

Ethnicity

% Small for gestational age

11.8%

% Dutch

69.2%

% Surinamese

5.0%

% Turkish

3.4%

% Moroccan

6.1%

% Other non-western

9.4%

% Other western

6.9%

Smoking during pregnancy

% Not smoking

90.3%

% 0-5 cigarettes/day

6.3%

% 6 or more cigarettes/day

3.4%

% Consuming alcohol

22.9%


Characteristics of pregnant women and births in the Amsterdam Born Children and their Development (ABCD) Study (the Netherlands)

van Dijk et al. BMC Public Health 2010 10:251   doi:10.1186/1471-2458-10-251

Open Data