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- Barclay, Kieron J., et al.
(författare)
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Birth Intervals and Health in Adulthood : A Comparison of Siblings Using Swedish Register Data
- 2018
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Ingår i: Demography. - : Duke University Press. - 0070-3370 .- 1533-7790. ; 55:3, s. 929-955
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Tidskriftsartikel (refereegranskat)abstract
- A growing body of research has examined whether birth intervals influence perinatal outcomes and child health as well as long-term educational and socioeconomic outcomes. To date, however, very little research has examined whether birth spacing influences long-term health. We use contemporary Swedish population register data to examine the relationship between birth-to-birth intervals and a variety of health outcomes in adulthood: for men, height, physical fitness, and the probability of falling into different body mass index categories; and for men and women, mortality. In models that do not adjust carefully for family background, we find that short and long birth intervals are clearly associated with height, physical fitness, being overweight or obese, and mortality. However, after carefully adjusting for family background using a within-family sibling comparison design, we find that birth spacing is generally not associated with long-term health, although we find that men born after very long birth intervals have a higher probability of being overweight or obese in early adulthood. Overall, we conclude that birth intervals have little independent effect on long-term health outcomes.
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| 2. |
- Barclay, Kieron J.
(författare)
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The birth order paradox : Sibling differences in educational attainment
- 2018
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Ingår i: Research in Social Stratification and Mobility. - : Elsevier BV. - 0276-5624 .- 1878-5654. ; 54, s. 56-65
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Tidskriftsartikel (refereegranskat)abstract
- This study uses population register data to examine the relationship between birth order and educational attainment in Sweden, and demonstrates that while the net effect of birth order on educational attainment is negative, later-born children often spend longer in education. The explanation for this finding is due to educational expansion in Sweden in the 20th century, which outweighs the negative causal effect of birth order for the affected cohorts. This is particularly true for women due to the fact that the rate of increasing educational enrolment has been greater for women than for men. These results also show that later-borns in large families particularly benefit from educational expansion due to the longer average birth interval between the first and last child in large families, meaning that the supply of educational opportunities increased to a greater extent in the intervening period. However, in periods where education is not expanding, later-born siblings continue to fare worse than first-borns.
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