Maternal and infant characteristics: differences and similarities between the Nordic countries and the US.

Abstract:

BACKGROUND:Data from the Nordic health care registers have been of great value in perinatal epidemiological research. It has been assumed that findings from the Nordic population (Denmark, Finland, Iceland, Norway, and Sweden) are applicable to other populations as well, including the population of the US. OBJECTIVE:To describe and compare maternal and infant characteristics between the Nordic and the American populations as recorded in the official statistics. MATERIALS AND METHODS:This population-based study included data on all females who gave birth and their infants in the Nordic countries and the US. The data were obtained from the US National Center for Health Statistics and the official statistics data for the Nordic countries. The data from all six countries included births from 2006 to 2010. RESULTS:The mean maternal age at delivery was lower in the US than in the Nordic countries (27.5 vs 30.3 years). Cesarean sections (32.2% vs 17.9%), low birth weight (8.2% vs 4.8%), and preterm birth (12.3% vs 5.9%) were more common in the US than in the Nordic countries. Smoking during early pregnancy was slightly less common in the US compared with Nordic countries (9.8% vs 11.2%). Restricting the data from the US to females with a university degree, characteristics such as age at delivery, birth weight, and preterm deliveries were more in alignment with the Nordic data. CONCLUSION:There are differences in some key maternal and neonatal characteristics between the Nordic countries and the US. However, some characteristics are related to socioeconomic status, suggesting that the Nordic data seem to be applicable to the part of the population in the US with a higher socioeconomic status.

journal_name

Clin Epidemiol

journal_title

Clinical epidemiology

authors

Löfling L,Bröms G,Bahmanyar S,Kieler H

doi

10.2147/CLEP.S106126

subject

Has Abstract

pub_date

2016-08-03 00:00:00

pages

285-94

issn

1179-1349

pii

clep-8-285

journal_volume

8

pub_type

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