Contribution of maternal age to preterm birth rates in Denmark and Quebec, 1981-2008

Publikation: Bidrag til tidsskriftTidsskriftartikelfagfællebedømt

Standard

Contribution of maternal age to preterm birth rates in Denmark and Quebec, 1981-2008. / Auger, Nathalie; Hansen, Anne V; Mortensen, Laust Hvas.

I: American Journal of Public Health, Bind 103, Nr. 10, 2013, s. e33-8.

Publikation: Bidrag til tidsskriftTidsskriftartikelfagfællebedømt

Harvard

Auger, N, Hansen, AV & Mortensen, LH 2013, 'Contribution of maternal age to preterm birth rates in Denmark and Quebec, 1981-2008', American Journal of Public Health, bind 103, nr. 10, s. e33-8. https://doi.org/10.2105/AJPH.2013.301523

APA

Auger, N., Hansen, A. V., & Mortensen, L. H. (2013). Contribution of maternal age to preterm birth rates in Denmark and Quebec, 1981-2008. American Journal of Public Health, 103(10), e33-8. https://doi.org/10.2105/AJPH.2013.301523

Vancouver

Auger N, Hansen AV, Mortensen LH. Contribution of maternal age to preterm birth rates in Denmark and Quebec, 1981-2008. American Journal of Public Health. 2013;103(10):e33-8. https://doi.org/10.2105/AJPH.2013.301523

Author

Auger, Nathalie ; Hansen, Anne V ; Mortensen, Laust Hvas. / Contribution of maternal age to preterm birth rates in Denmark and Quebec, 1981-2008. I: American Journal of Public Health. 2013 ; Bind 103, Nr. 10. s. e33-8.

Bibtex

@article{1497f910ab754c45b2671748e33d4224,
title = "Contribution of maternal age to preterm birth rates in Denmark and Quebec, 1981-2008",
abstract = "OBJECTIVES: We sought evidence to support the hypothesis that advancing maternal age is potentially causing a rise in preterm birth (PTB) rates in high-income countries.METHODS: We assessed maternal age-specific trends in PTB using all singleton live births in Denmark (n = 1 674 308) and Quebec (n = 2 291 253) from 1981 to 2008. We decomposed the country-specific contributions of age-specific PTB rates and maternal age distribution to overall PTB rates over time.RESULTS: PTB rates increased from 4.4% to 5.0% in Denmark and from 5.1% to 6.0% in Quebec. Rates increased the most in women aged 20 to 29 years, whereas rates decreased or remained stable in women aged 35 years and older. The overall increase over time was driven by age-specific PTB rates, although the contribution of younger women was countered by fewer births at this age in both Denmark and Quebec.CONCLUSIONS: PTB rates increased among women aged 20 to 29 years, but their contribution to the overall PTB rates was offset by older maternal age over time. Women aged 20 to 29 years should be targeted to reduce PTB rates, as potential for prevention may be greater in this age group.",
keywords = "Adult, Age Factors, Denmark, Female, Humans, Infant, Newborn, Maternal Age, Premature Birth, Quebec, Young Adult",
author = "Nathalie Auger and Hansen, {Anne V} and Mortensen, {Laust Hvas}",
year = "2013",
doi = "10.2105/AJPH.2013.301523",
language = "English",
volume = "103",
pages = "e33--8",
journal = "American Journal of Public Health",
issn = "0090-0036",
publisher = "American Public Health Association",
number = "10",

}

RIS

TY - JOUR

T1 - Contribution of maternal age to preterm birth rates in Denmark and Quebec, 1981-2008

AU - Auger, Nathalie

AU - Hansen, Anne V

AU - Mortensen, Laust Hvas

PY - 2013

Y1 - 2013

N2 - OBJECTIVES: We sought evidence to support the hypothesis that advancing maternal age is potentially causing a rise in preterm birth (PTB) rates in high-income countries.METHODS: We assessed maternal age-specific trends in PTB using all singleton live births in Denmark (n = 1 674 308) and Quebec (n = 2 291 253) from 1981 to 2008. We decomposed the country-specific contributions of age-specific PTB rates and maternal age distribution to overall PTB rates over time.RESULTS: PTB rates increased from 4.4% to 5.0% in Denmark and from 5.1% to 6.0% in Quebec. Rates increased the most in women aged 20 to 29 years, whereas rates decreased or remained stable in women aged 35 years and older. The overall increase over time was driven by age-specific PTB rates, although the contribution of younger women was countered by fewer births at this age in both Denmark and Quebec.CONCLUSIONS: PTB rates increased among women aged 20 to 29 years, but their contribution to the overall PTB rates was offset by older maternal age over time. Women aged 20 to 29 years should be targeted to reduce PTB rates, as potential for prevention may be greater in this age group.

AB - OBJECTIVES: We sought evidence to support the hypothesis that advancing maternal age is potentially causing a rise in preterm birth (PTB) rates in high-income countries.METHODS: We assessed maternal age-specific trends in PTB using all singleton live births in Denmark (n = 1 674 308) and Quebec (n = 2 291 253) from 1981 to 2008. We decomposed the country-specific contributions of age-specific PTB rates and maternal age distribution to overall PTB rates over time.RESULTS: PTB rates increased from 4.4% to 5.0% in Denmark and from 5.1% to 6.0% in Quebec. Rates increased the most in women aged 20 to 29 years, whereas rates decreased or remained stable in women aged 35 years and older. The overall increase over time was driven by age-specific PTB rates, although the contribution of younger women was countered by fewer births at this age in both Denmark and Quebec.CONCLUSIONS: PTB rates increased among women aged 20 to 29 years, but their contribution to the overall PTB rates was offset by older maternal age over time. Women aged 20 to 29 years should be targeted to reduce PTB rates, as potential for prevention may be greater in this age group.

KW - Adult

KW - Age Factors

KW - Denmark

KW - Female

KW - Humans

KW - Infant, Newborn

KW - Maternal Age

KW - Premature Birth

KW - Quebec

KW - Young Adult

U2 - 10.2105/AJPH.2013.301523

DO - 10.2105/AJPH.2013.301523

M3 - Journal article

C2 - 23947312

VL - 103

SP - e33-8

JO - American Journal of Public Health

JF - American Journal of Public Health

SN - 0090-0036

IS - 10

ER -

ID: 137669289