Understanding the dynamics of asthma symptoms between childhood and adolescence using latent transition analysis
Ana Clara P. Campos (),
Leila Denise A. F. Amorim (),
Agostino Strina () and
Maurício L. Barreto ()
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Ana Clara P. Campos: Universidade Federal da Bahia
Leila Denise A. F. Amorim: Universidade Federal da Bahia, Campus Universitário de Ondina
Agostino Strina: Fundação Oswaldo Cruz (FIOCRUZ)
Maurício L. Barreto: Universidade Federal da Bahia
International Journal of Public Health, 2020, vol. 65, issue 6, No 33, 957-967
Abstract Objectives Asthma patterns in childhood are important predictors of unwanted outcomes in adolescence. We aimed to define asthma phenotypes in childhood and adolescence and evaluate the transitions between these phenotypes and factors potentially associated with the transitions. Methods Baseline (1445 children), first round (1363 children/early adolescents) and second round (1206 adolescents) data from the SCAALA Project in Salvador, Brazil, were used. Phenotypes were defined by latent class analysis at three time points. Transitions between phenotypes were described and the effects of factors associated with transition probabilities estimated using latent transition analysis. Results The “asymptomatic” and “symptomatic” phenotypes were identified. Approximately 5–6% of asymptomatic children in childhood/later childhood and early adolescence became symptomatic later in time. Maternal common mental disorders were identified as important risk factor for unhealthy states. Conclusions Asthma manifestations are characterized by frequent movements, especially between childhood and adolescence. Our study, by simultaneously defining disease subtypes, and examining the transitions and their potential predictors, highlights the importance of longitudinal studies to advance the understanding of the effects of social, environmental and biological mechanisms underlying asthma trajectories over time.
Keywords: Latent transition analysis; Longitudinal studies; Childhood and adolescence; Asthma symptoms (search for similar items in EconPapers)
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