Psychosis risk individuals show poor fitness and discrepancies with objective and subjective measures

Abstract Exercise is a promising intervention for individuals at clinical high-risk for psychosis (CHR). However, these youth may not be reliable reporters on fitness. There have been no investigations that utilized objective fitness assessment in this population. The present study objectively chara...

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Autores principales:	Katherine S. F. Damme, Richard P. Sloan, Matthew N. Bartels, Alara Ozsan, Luz H. Ospina, David Kimhy, Vijay A. Mittal
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/094adcc3ecc44767bfc5e778173edc94
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spelling	oai:doaj.org-article:094adcc3ecc44767bfc5e778173edc942021-12-02T14:35:33ZPsychosis risk individuals show poor fitness and discrepancies with objective and subjective measures10.1038/s41598-021-89301-52045-2322https://doaj.org/article/094adcc3ecc44767bfc5e778173edc942021-05-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-89301-5https://doaj.org/toc/2045-2322Abstract Exercise is a promising intervention for individuals at clinical high-risk for psychosis (CHR). However, these youth may not be reliable reporters on fitness. There have been no investigations that utilized objective fitness assessment in this population. The present study objectively characterizes the level of fitness in CHR youth, compares the accuracy of self-report measures to objective fitness indices, and explores clinical factors that may influence the accuracy of self-reported measures of fitness. Forty CHR individuals completed an exercise survey and objective indices of fitness (i.e., VO2max and BMI). Forty healthy volunteers completed objective indices of fitness and a structured clinical interview ruling out the presence of psychiatric illness. CHR youth showed greater BMI and lowered VO2max compared to healthy volunteers. In the CHR group, self-report items (perceived fitness) did not reflect objective indices of fitness, whereas specific exercise behaviors (intensity of exercise) showed stronger correlations with objective fitness measurements. Exploratory analyses suggested that symptoms (grandiosity and avolition) related to errors in self-perception. Results indicate that CHR individuals are less fit than controls as indexed by objective measures of fitness and that it is important to consider unique population clinical characteristics when employing self-report data.Katherine S. F. DammeRichard P. SloanMatthew N. BartelsAlara OzsanLuz H. OspinaDavid KimhyVijay A. MittalNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-10 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Katherine S. F. Damme Richard P. Sloan Matthew N. Bartels Alara Ozsan Luz H. Ospina David Kimhy Vijay A. Mittal Psychosis risk individuals show poor fitness and discrepancies with objective and subjective measures
description	Abstract Exercise is a promising intervention for individuals at clinical high-risk for psychosis (CHR). However, these youth may not be reliable reporters on fitness. There have been no investigations that utilized objective fitness assessment in this population. The present study objectively characterizes the level of fitness in CHR youth, compares the accuracy of self-report measures to objective fitness indices, and explores clinical factors that may influence the accuracy of self-reported measures of fitness. Forty CHR individuals completed an exercise survey and objective indices of fitness (i.e., VO2max and BMI). Forty healthy volunteers completed objective indices of fitness and a structured clinical interview ruling out the presence of psychiatric illness. CHR youth showed greater BMI and lowered VO2max compared to healthy volunteers. In the CHR group, self-report items (perceived fitness) did not reflect objective indices of fitness, whereas specific exercise behaviors (intensity of exercise) showed stronger correlations with objective fitness measurements. Exploratory analyses suggested that symptoms (grandiosity and avolition) related to errors in self-perception. Results indicate that CHR individuals are less fit than controls as indexed by objective measures of fitness and that it is important to consider unique population clinical characteristics when employing self-report data.
format	article
author	Katherine S. F. Damme Richard P. Sloan Matthew N. Bartels Alara Ozsan Luz H. Ospina David Kimhy Vijay A. Mittal
author_facet	Katherine S. F. Damme Richard P. Sloan Matthew N. Bartels Alara Ozsan Luz H. Ospina David Kimhy Vijay A. Mittal
author_sort	Katherine S. F. Damme
title	Psychosis risk individuals show poor fitness and discrepancies with objective and subjective measures
title_short	Psychosis risk individuals show poor fitness and discrepancies with objective and subjective measures
title_full	Psychosis risk individuals show poor fitness and discrepancies with objective and subjective measures
title_fullStr	Psychosis risk individuals show poor fitness and discrepancies with objective and subjective measures
title_full_unstemmed	Psychosis risk individuals show poor fitness and discrepancies with objective and subjective measures
title_sort	psychosis risk individuals show poor fitness and discrepancies with objective and subjective measures
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/094adcc3ecc44767bfc5e778173edc94
work_keys_str_mv	AT katherinesfdamme psychosisriskindividualsshowpoorfitnessanddiscrepancieswithobjectiveandsubjectivemeasures AT richardpsloan psychosisriskindividualsshowpoorfitnessanddiscrepancieswithobjectiveandsubjectivemeasures AT matthewnbartels psychosisriskindividualsshowpoorfitnessanddiscrepancieswithobjectiveandsubjectivemeasures AT alaraozsan psychosisriskindividualsshowpoorfitnessanddiscrepancieswithobjectiveandsubjectivemeasures AT luzhospina psychosisriskindividualsshowpoorfitnessanddiscrepancieswithobjectiveandsubjectivemeasures AT davidkimhy psychosisriskindividualsshowpoorfitnessanddiscrepancieswithobjectiveandsubjectivemeasures AT vijayamittal psychosisriskindividualsshowpoorfitnessanddiscrepancieswithobjectiveandsubjectivemeasures
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Psychosis risk individuals show poor fitness and discrepancies with objective and subjective measures

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