Low resting heart rate is associated with violence in late adolescence: a prospective birth cohort study in Brazil
Hallal, Pedro C.
Mielke, Gregore I.
Wehrmeister, Fernando C.
International Journal of Epidemiology
Oxford University Press
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Murray, J., Hallal, P. C., Mielke, G. I., Raine, A., Wehrmeister, F. C., Anselmi, L., & Barros, F. (2016). Low resting heart rate is associated with violence in late adolescence: a prospective birth cohort study in Brazil. International Journal of Epidemiology https://doi.org/10.1093/ije/dyv340
This is the final version of the article. It first appeared from Oxford University Press via http://dx.doi.org/10.1093/ije/dyv340
Background. Youth violence is a major global public health problem. Three British and Swedish studies suggest that low resting heart rate predicts male youth violence, but this has not been tested in other social settings, or for females. Methods. A prospective, population-based birth cohort study was conducted in Pelotas, Brazil. Heart rate was measured using a wrist monitor at ages 11, 15, and 18 years. Violent and non-violent crime were measured at age 18 in self-reports and official records (N = 3618). Confounding variables were assessed in the perinatal period and age 11, in interviews with mothers and children. Logistic regression was used to estimate associations between quartiles of heart rate at each age, and violent and non-violent crime at age 18, separately for males and females. Results. Lower resting heart rate was a robust correlate of violent and non-violent crime for males. Comparing males in the lowest and top quartiles of heart rate at age 15 years, adjusted odds ratios were 1.9 for violent crime (95%CI 1.4-2.7) and 1.7 for non-violent crime (95%CI 1.1-2.6). For females, crime outcomes were associated only with low resting heart rate at age 18. Associations were generally linear across the four heart rate quartiles. There was no evidence that associations differed according to socioeconomic status at age 15. Conclusions. Low resting heart rate predicted violent and non-violent crime for males, and was cross-sectionally associated with crime for females. Biological factors may contribute to individual propensity to commit crime, even in a middle-income setting with high rates of violence.
heart rate, violence, crime, cohort study
The 1993 Pelotas (Brazil) Birth Cohort Study is currently supported by the Wellcome Trust through the programme entitled Major Awards for Latin America on Health Consequences of Population Change. The European Union, National Support Program for Centers of Excellence (PRONEX), the Brazilian National Research Council (CNPq), the Foundation for Research Support of the State of Rio Grande do Sul (FAPERGS) and the Brazilian Ministry of Health supported previous phases of the study. J.M. is supported by the Wellcome Trust [grant number 089963/Z/09/Z]. P.H. is supported by the Wellcome Trust through a New Investigator Award.
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External DOI: https://doi.org/10.1093/ije/dyv340
This record's URL: https://www.repository.cam.ac.uk/handle/1810/252761
Attribution 2.0 UK: England & Wales
Licence URL: http://creativecommons.org/licenses/by/2.0/uk/