Author:
Flannery Caragh,Dahly Darren,Byrne Molly,Khashan Ali,McHugh Sheena,Kenny Louise C,McAuliffe Fionnuala,Kearney Patricia M
Abstract
ObjectiveThe aim of this study was to identify the social, biological, behavioural and psychological factors related to physical activity (PA) in early pregnancy.DesignThis is a secondary analysis of data from a prospective cohort study.SettingThe study was conducted in Cork, Ireland.ParticipantsNulliparous women with singleton pregnancies were recruited and then interviewed at 15±1 weeks’ gestation.Primary and secondary outcomesThe biopsychosocial model identified factors including social (age), biological (body mass index), behavioural (diet) and psychological (anxiety) at 15±1 weeks’ gestation. PA subgroups were identified based on a latent class analysis of their responses to a set of questions about the amount and intensity of activity they were engaging in during the pregnancy. Associations were estimated with multivariable multinomial logistic regression models.ResultsFrom a total of 2579, 1774 (69%) women were recruited; ages ranged from 17 to 45 years. Based on a combination of model fit, theoretical interpretability and classification quality, the latent class analyses identified three PA subgroups:lowPA (n=393),moderatePA (n=960) andhighPA (n=413). The fully adjusted model suggests non-smokers, and consumers of fruit and vegetables were more likely to be in the high PA subgroup (vs low). Women with more than 12 years of schooling and a higher socioeconomic status were more likely to be in the moderate PA subgroup (vs low).ConclusionThe findings highlight potential links between PA, a low education level and a low socioeconomic background. These factors should be considered for future interventions to improve low PA levels during pregnancy.Trial registration numberACTRN 12607000551493.
Funder
Science Foundation Ireland Program
Health Research Board Ireland
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