Document Detail


Higher physical fatigue predicts adherence to a 12-week exercise intervention in women with elevated blood pressure.
MedLine Citation:
PMID:  21988095     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
OBJECTIVE: To investigate predictors of exercise adherence to a 12-week exercise intervention for sedentary women and men with elevated blood pressure (BP).
METHODS: Fifty-one otherwise healthy and unmedicated adults (27 women and 24 men) with elevated BP (≥120/80 mmHg but <179/109 mmHg) participated in a 12-week exercise intervention involving cardiovascular and strength training. Participants kept weekly exercise logs detailing minutes spent exercising each week. The following were assessed before and after the intervention: cardiorespiratory fitness (in mL/kg/min), body mass index (BMI), level of habitual physical activity, physical fatigue, self-efficacy for exercise habits, and social support.
RESULTS: Regression analysis revealed that mean exercise minutes/week were predicted by higher age (p < .05), higher cardiorespiratory fitness (p < .05), and a gender by physical fatigue interaction (p < .01; R2 = 0.34, F = 3.248, p < .01). Women who reported higher physical fatigue prior to the intervention spent more time exercising during the 12-week intervention than those with lower levels of physical fatigue. This relationship persisted after controlling for age, BMI, cardiorespiratory fitness, level of habitual physical activity prior to the intervention, self-efficacy for exercise habits, and social support (p < .01). The gender by physical fatigue interaction explained 13.9% of the variance in mean minutes exercised/week above and beyond the effects of covariates.
CONCLUSION: Both gender and fatigue should be considered when developing exercise interventions, such that more initial physical fatigue in women is associated with a tendency to devote greater amounts of time to exercising.
Authors:
Julie Sadja; Lianne Tomfohr; Jessica A Jiménez; Kate M Edwards; Cheryl L Rock; Karen Calfas; Paul J Mills
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Publication Detail:
Type:  Journal Article; Research Support, N.I.H., Extramural     Date:  2011-10-10
Journal Detail:
Title:  Health psychology : official journal of the Division of Health Psychology, American Psychological Association     Volume:  31     ISSN:  1930-7810     ISO Abbreviation:  Health Psychol     Publication Date:  2012 Mar 
Date Detail:
Created Date:  2012-03-06     Completed Date:  2012-08-14     Revised Date:  2014-09-18    
Medline Journal Info:
Nlm Unique ID:  8211523     Medline TA:  Health Psychol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  156-63     Citation Subset:  IM    
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MeSH Terms
Descriptor/Qualifier:
Adult
Blood Pressure
Body Composition
Body Mass Index
Cardiovascular Diseases
Exercise / physiology
Exercise Therapy*
Fatigue*
Female
Humans
Hypertension / therapy*
Intervention Studies
Male
Middle Aged
Patient Compliance*
Physical Fitness
Self Efficacy
Sex Factors
Social Support
Grant Support
ID/Acronym/Agency:
HL44915/HL/NHLBI NIH HHS; P60 MD00220/MD/NIMHD NIH HHS; R01 HL057265/HL/NHLBI NIH HHS; R01 HL057265-12/HL/NHLBI NIH HHS; R01 HL073355/HL/NHLBI NIH HHS; RR00827/RR/NCRR NIH HHS; UL1 RR031980/RR/NCRR NIH HHS
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