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Associations of 24-hours Activity Composition With Adiposity and Cardiorespiratory Fitness: The PregnActive Project

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AssociationsSJMSS-O-220-19.R2_Proof1.pdf (152.2Kb)
Infographic paper 24-h activity.pdf (427.1Kb)
URI
http://hdl.handle.net/10433/8468
DOI
https://dx.doi.org/10.1111/sms.13566
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Authorship
Oviedo Caro, Miguel Ángel; Bueno Antequera, Javier; Munguía Izquierdo, DiegoAutoridad UPO Orcid Dialnet
Palabras clave
Adiposity
Physical activity
Physical fitness
Sedentary time
Sleep
Time-use
CIRFD - Centro de Investigación en Rendimiento Físico y Deportivo
CIRFD - AFS
CIRFD - Infografías
Publication date
2019-10-08
Abstract
Aim: This study examined the associations of activity behaviors composition (sleep, sedentary time, light and moderate-to-vigorous physical activity) with adiposity and cardiorespiratory fitness, and how isotemporal reallocations of time between activity behaviors are associated with differences in adiposity and cardiorespiratory fitness. Methods: A cross-sectional study was conducted in 130 women during midpregnancy. Activity behaviors, conceptualized as a 24-hours composition, were objectively assessed by multi-sensor monitors. Skinfold thickness, fat mass index, and body mass index were calculated as indicators of adiposity. Cardiorespiratory fitness was assessed using a 6-minute walk test. Log-ratio multiple linear regression models and compositional isotemporal substitutions were used to analyze the associations and estimated differences in outcomes. Results: The activity composition was significantly associated with adiposity indicators (all P < .001) and cardiorespirat ...
Aim: This study examined the associations of activity behaviors composition (sleep, sedentary time, light and moderate-to-vigorous physical activity) with adiposity and cardiorespiratory fitness, and how isotemporal reallocations of time between activity behaviors are associated with differences in adiposity and cardiorespiratory fitness. Methods: A cross-sectional study was conducted in 130 women during midpregnancy. Activity behaviors, conceptualized as a 24-hours composition, were objectively assessed by multi-sensor monitors. Skinfold thickness, fat mass index, and body mass index were calculated as indicators of adiposity. Cardiorespiratory fitness was assessed using a 6-minute walk test. Log-ratio multiple linear regression models and compositional isotemporal substitutions were used to analyze the associations and estimated differences in outcomes. Results: The activity composition was significantly associated with adiposity indicators (all P < .001) and cardiorespiratory fitness (P values from .025 to <.001) during midpregnancy. The isotemporal substitutions were asymmetrical, showing the highest estimated differences in adiposity (8.7%, 0.80 kg/m2 , for fat mass index; 6.0%, 2.65 mm, for the sum of skinfold thickness; and 3.8%, 1.02 kg/m2 , for body mass index) and cardiorespiratory fitness (3.0%, 1.00 mL/kg min) when 30 minutes of moderate-to-vigorous physical activity was reallocated by sedentary time. Conclusion: The activity composition was associated with adiposity and the cardiorespiratory fitness levels during midpregnancy, with moderate-to-vigorous physical activity being the leading activity behavior. The most unfavorable differences in adiposity and cardiorespiratory fitness were found when moderate-to-vigorous physical activity was replaced by another behavior, mainly sedentary time, reinforcing the importance of at least maintaining moderate-to-vigorous physical activity during pregnancy.
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BIBLIOTECA CRAI  ©  2015 Universidad Pablo de Olavide
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