Vit. artikkel

Publisert

  • 2023

Forskningsområde

Temaovergripende

Within a school grade, children who are young for grade are at increased risk of psychiatric diagnoses, but the long-term implications remain understudied, and associations with students who delay or accelerate entry underexplored. We used Norwegian birth cohort records (birth years: 1967-1976, N=626,928) linked to records in mid-life. On-time school entry was socially patterned; among those born in December, 23.0% of children in the lowest socio-economic position (SEP) delayed school entry, compared with 12.2% among the highest SEP. Among those who started school on time, there was no evidence for long-term associations between birth month and psychiatric/behavioral disorders or mortality, respectively. Controlling for SEP and other confounders, delayed school entry was associated with increased risk of psychiatric disorders and mortality. Children with delayed school entry were 1.31 times more likely to die by suicide (95% CI. 1.07-1.61) by midlife, and 1.96 times more likely to die from drug-related death (95% C.I. 1.59-2.40) by mid-life than those born late in the year who started school on time. Associations with delayed school entry are likely due to selection, and results thus underscore that long-term health risks can be tracked early in life, including through school entry timing, and are highly socially patterned.
Relative...

Keyes, Katherine; Kristensen, Petter; Undem, Karina; Mehlum, Ingrid Sivesind
American Journal of Epidemiology 192(9): 1453–1462
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