Premature birth and circadian preference in young adulthood : evidence from two birth cohorts

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Björkqvist , J , Pesonen , A-K , Kuula , L , Matinolli , H-M , Lano , A , Sipola-Leppanen , M , Tikanmaki , M , Wolke , D , Jarvelin , M-R , Eriksson , J G , Andersson , S , Vaarasmaki , M , Heinonen , K , Raikkonen , K , Hovi , P & Kajantie , E 2018 , ' Premature birth and circadian preference in young adulthood : evidence from two birth cohorts ' , Chronobiology International , vol. 35 , no. 4 , pp. 555-564 . https://doi.org/10.1080/07420528.2017.1420078

Title: Premature birth and circadian preference in young adulthood : evidence from two birth cohorts
Author: Björkqvist, Johan; Pesonen, Anu-Katriina; Kuula, Liisa; Matinolli, Hanna-Maria; Lano, Aulikki; Sipola-Leppanen, Marika; Tikanmaki, Marjaana; Wolke, Dieter; Jarvelin, Marjo-Riitta; Eriksson, Johan G.; Andersson, Sture; Vaarasmaki, Marja; Heinonen, Kati; Raikkonen, Katri; Hovi, Petteri; Kajantie, Eero
Contributor: University of Helsinki, Clinicum
University of Helsinki, Medicum
University of Helsinki, Medicum
University of Helsinki, Lastenneurologian yksikkö
University of Helsinki, Department of General Practice and Primary Health Care
University of Helsinki, HUS Children and Adolescents
University of Helsinki, Medicum
University of Helsinki, Medicum
University of Helsinki, Clinicum
University of Helsinki, Lastentautien yksikkö
Date: 2018
Number of pages: 10
Belongs to series: Chronobiology International
ISSN: 0742-0528
URI: http://hdl.handle.net/10138/302026
Abstract: A preference for eveningness (being a "night owl") and preterm birth ( Circadian preference was measured among 594 young adults (mean age 24.3 years, SD 1.3) from two cohorts: the ESTER study and the Arvo Ylppo Longitudinal Study. We compared 83 participants born early preterm (= 37 weeks, n = 346). We also compared very low birth weight (VLBW, There were no consistent differences across the study groups in sleep midpoint. As compared with those born at term, the mean differences in minutes:seconds and 95% confidence intervals for the sleep midpoint were: early preterm weekdays 11:47 (-834 to 32:08), early preterm weekend 4:14 (-19:45 to 28:13), late preterm weekdays -10:28 (-26:16 to 5:21), and late preterm weekend -1:29 (-20:36 to 17:37). There was no difference in sleep timing between VLBW-participants and controls either. The distribution of chronotype in the MEQ among all participants was 12.4% morningness, 65.4% intermediate, and 22.2% eveningness. The distribution of the subjective chronotype class did not differ between the three gestational age groups (p = 0.98). The linear regression models did not show any influence of gestational age group or VLBW status on the MES (all p > 0.5). We found no consistent differences between adults born early or late preterm and those born at term in circadian preference. The earlier circadian preference previously observed in those born smallest is unlikely to extend across the whole range of preterm birth.
Subject: Preterm
Actigraphy
MEQ
Chronotype
PRETERM BIRTH
WEIGHT ADULTS
BORN PRETERM
CARDIOMETABOLIC RISK
SLEEP
AGE
HELSINKI
INFANTS
RHYTHM
TERM
3111 Biomedicine
3123 Gynaecology and paediatrics
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