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Rachel E. Blacklock, Ryan E. Rhodes, and Shane G. Brown


The current physical activity (PA) and health-related quality of life (HRQoL) literature warrants further investigation with general population samples. The exploratory-focused purpose of this study was to compare total PA-HRQoL and walking-HRQoL relations, include a measure of general happiness, and to evaluate potential activity-HRQoL demographic moderators.


A random sample of 351 adults completed an adapted Godin Leisure Time Questionnaire, the SF-36, and the Satisfaction with Life Scale.


Partial correlations revealed small-to-moderate associations between walking/total PA and general health, vitality, and social functioning after controlling for key demographics (P < 0.05). A dependent t-test determined walking and PA as equally related to vitality and social functioning. Multiple regression revealed annual income as a moderator of the total PA/walking-social functioning relationship [F(3,315) = 9.71 and F(3,316) = 12.03, P < 0.01, respectively].


HRQoL may be considered with walking interventions and annual income. The contribution of PA to overall happiness appears to be minor.

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Kathleen F. Janz and Fatima Baptista

(as significant exposures to bone strength). As such, it is one of the first observational papers to quantify the contribution of physical activity bouts to osteogenic physical activity dose in youth. In addition, it uniquely used failure load, a criterion measure of bone strength, as the outcome

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Bernard Gutin and Scott Owens

The purposes of this article were to (1): review recent studies of relations between physical activity and cardiometabolic biomarkers of youths (2); highlight areas in which additional research is needed; and (3) make recommendations for preventive interventions. Observational studies show that youths who engage in high amounts of moderate-vigorous physical activity display a more favorable cardiometabolic biomarker profile than youths who engage in lesser amounts of moderate-vigorous physical activity. Intervention studies in obese youths show that favorable changes in biomarkers are produced by moderate-vigorous physical activity doses of 150–180 min/week. However, for nonobese youths, intervention studies suggest that such doses are not effective; higher moderate-vigorous physical activity doses of approximately 300 min/week seem necessary. Continuing a physically active lifestyle from childhood into the adult years will enable people to maintain less end-organ damage and lower rates of morbidity and mortality from cardiovascular disease and type 2 diabetes.

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Debra J. Rose

recommendations, programs, and policies. In addition to answering the question of “how many steps per day,” Tudor-Locke suggests that future physical activity research also examine a broader set of step-based metrics encompassing one or more of the physical activity dose components (i.e., intensity, frequency

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Jill R. Reed, Paul Estabrooks, Bunny Pozehl, Kate Heelan, and Christopher Wichman

. Prog Cardiovasc Dis . 2015 ; 57 ( 4 ): 375 – 386 . PubMed ID: 25459975 doi:10.1016/j.pcad.2014.10.003 10.1016/j.pcad.2014.10.003 25459975 16. Dunn AL , Trivedi MH , O’Neal HA . Physical activity dose-response effects on outcomes of depression and anxiety . Med Sci Sports Exerc . 2001 ; 33

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Catrine Tudor-Locke and Elroy J. Aguiar

several areas herein that require further investigation. In addition to steps/day, which provides a simple indication of the total daily or weekly volume of physical activity, research incorporating a broader set of step-based metrics encompassing one or several of the physical activity dose components (i

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Roger J. Paxton, Jeri E. Forster, Matthew J. Miller, Kristine L. Gerron, Jennifer E. Stevens-Lapsley, and Cory L. Christiansen

), and dose goal attainment (percentage of participants meeting weekly physical activity dose goals). For the intervention to be feasible, we expected > 80% retention, > 90% adherence, and > 80% of the weekly goals to be achieved in the intervention group. These aspects of the feasibility are critical to

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Yonglin Liang, Francisco T.T. Lai, Joyce L.Y. Kwan, Wai Chan, and Eng-Kiong Yeoh

-010-0633-9 10.1007/s11845-010-0633-9 Dunn , A.L. , Trivedi , M.H. , & O’Neal , H.A. ( 2001 ). Physical activity dose-response effects on outcomes of depression and anxiety . Medicine & Science in Sports & Exercise, 33 ( Supplement ), S587 – S597 . Discussion 609-10. doi:10

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Jessica Gugusheff, Bridget C. Foley, Katherine B. Owen, Bradley Drayton, Ding Ding, Emmanuel Stamatakis, Charlotte Lund Rasmussen, Adrian E. Bauman, and Margaret Thomas

.07.130 16377300 14. Ross R , Janssen I . Vigorous intensity physical activity is related to the metabolic syndrome independent of the physical activity dose . Int J Epidemiol . 2012 ; 41 ( 4 ): 1132 – 1140 . doi:10.1093/ije/dys038 22447838 10.1093/ije/dys038 15. Hidalgo-Santamaria M , Bes-Rastrollo M

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Nicolas Farina and Ruth G. Lowry

’Neal , H.A. ( 2001 ). Physical activity dose-response effects on outcomes of depression and anxiety . Medicine & Science in Sports & Exercise, 33 ( Suppl. 6 ), S587 – S597 . doi:10.1097/00005768-200106001-00027 10.1097/00005768-200106001-00027 Evenson , K.R. , Goto , M.M. , & Furberg , R