Psychosocial Mediators of Physical Activity and Fitness Changes in the Activity Counseling Trial

Overview

Journal Ann Behav Med

Publisher Oxford University Press

Specialty Social Sciences

Date 2010 May 1

PMID 20431975

Citations 10

Authors

Meghan Baruth

Sara Wilcox

Andrea L Dunn

Abby C King

Bess H Marcus

W Jack Rejeski

James F Sallis

Steven N Blair

Affiliations

Soon will be listed here.

Abstract

Background: Improved understanding of the mediators of physical activity (PA) interventions could lead to improvements in theory and programs.

Purpose: To examine the 24-month mediating effects of psychosocial variables on PA and cardiorespiratory fitness (CRF) outcomes in 878 initially sedentary adults aged 35-75 participating in the Activity Counseling Trial.

Methods: Participants were assigned to one of three intervention arms: physician advice, assistance, or counseling. MacKinnon's product of coefficients was used to test for longitudinal and contemporaneous mediation.

Results: Changes in behavioral processes of change from baseline to 24 months significantly mediated the relationship between the active intervention arms and improvements in PA and CRF from baseline to 24 months in both men and women. None of the other psychosocial variables tested met criteria for mediation.

Conclusions: Results indicate that behavioral interventions should incorporate methods to encourage participants to use these behavioral strategies as they attempt to become more active.

Citing Articles

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Exploring psychosocial mediators of remote physical activity counselling: a secondary analysis of data from a 1-year randomized control trial (Movingcall).

Fischer X, Donath L, Zahner L, Faude O, Gerber M J Behav Med. 2019; 43(2):271-285.

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Mama S, McNeill L, McCurdy S, Evans A, Diamond P, Adamus-Leach H Am J Health Behav. 2014; 39(1):68-76.

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References

Dubbert P, Vander Weg M, Kirchner K, Shaw B . Evaluation of the 7-day physical activity recall in urban and rural men. Med Sci Sports Exerc. 2004; 36(9):1646-54. DOI: 10.1249/01.mss.0000139893.65189.f2. View

Kraemer H, Wilson G, Fairburn C, Agras W . Mediators and moderators of treatment effects in randomized clinical trials. Arch Gen Psychiatry. 2002; 59(10):877-83. DOI: 10.1001/archpsyc.59.10.877. View

Adams J, White M . Are activity promotion interventions based on the transtheoretical model effective? A critical review. Br J Sports Med. 2003; 37(2):106-14. PMC: 1724627. DOI: 10.1136/bjsm.37.2.106. View

Borg G . Psychophysical bases of perceived exertion. Med Sci Sports Exerc. 1982; 14(5):377-81. View

Prochaska J, Velicer W . The transtheoretical model of health behavior change. Am J Health Promot. 1997; 12(1):38-48. DOI: 10.4278/0890-1171-12.1.38. View

Sallis J, Haskell W, Wood P, Fortmann S, Rogers T, Blair S . Physical activity assessment methodology in the Five-City Project. Am J Epidemiol. 1985; 121(1):91-106. DOI: 10.1093/oxfordjournals.aje.a113987. View

Baranowski T, Anderson C, Carmack C . Mediating variable framework in physical activity interventions. How are we doing? How might we do better?. Am J Prev Med. 1998; 15(4):266-97. DOI: 10.1016/s0749-3797(98)00080-4. View

Fahrenwald N, Atwood J, Johnson D . Mediator analysis of Moms on the move. West J Nurs Res. 2005; 27(3):271-91. DOI: 10.1177/0193945904273275. View

Gross L, Sallis J, Buono M, Roby J, Nelson J . Reliability of interviewers using the Seven-Day Physical Activity Recall. Res Q Exerc Sport. 1990; 61(4):321-5. DOI: 10.1080/02701367.1990.10607494. View

10.

Prochaska J, DiClemente C, Norcross J . In search of how people change. Applications to addictive behaviors. Am Psychol. 1992; 47(9):1102-14. DOI: 10.1037//0003-066x.47.9.1102. View

11.

Dunn A, Marcus B, Kampert J, Garcia M, Kohl 3rd H, Blair S . Comparison of lifestyle and structured interventions to increase physical activity and cardiorespiratory fitness: a randomized trial. JAMA. 1999; 281(4):327-34. DOI: 10.1001/jama.281.4.327. View

12.

Lewis B, Marcus B, Pate R, Dunn A . Psychosocial mediators of physical activity behavior among adults and children. Am J Prev Med. 2002; 23(2 Suppl):26-35. DOI: 10.1016/s0749-3797(02)00471-3. View

13.

Adams J, White M . Why don't stage-based activity promotion interventions work?. Health Educ Res. 2004; 20(2):237-43. DOI: 10.1093/her/cyg105. View

14.

Napolitano M, Papandonatos G, Lewis B, Whiteley J, Williams D, King A . Mediators of physical activity behavior change: a multivariate approach. Health Psychol. 2008; 27(4):409-18. PMC: 2692944. DOI: 10.1037/0278-6133.27.4.409. View

15.

Simons-Morton D, Hogan P, Dunn A, Pruitt L, King A, Levine B . Characteristics of inactive primary care patients: baseline data from the activity counseling trial. For the Activity Counseling Trial Research Group. Prev Med. 2000; 31(5):513-21. DOI: 10.1006/pmed.2000.0733. View

16.

Bauman A, Sallis J, Dzewaltowski D, Owen N . Toward a better understanding of the influences on physical activity: the role of determinants, correlates, causal variables, mediators, moderators, and confounders. Am J Prev Med. 2002; 23(2 Suppl):5-14. DOI: 10.1016/s0749-3797(02)00469-5. View

17.

Calfas K, Sallis J, Oldenburg B, Ffrench M . Mediators of change in physical activity following an intervention in primary care: PACE. Prev Med. 1997; 26(3):297-304. DOI: 10.1006/pmed.1997.0141. View

18.

Marshall S, Biddle S . The transtheoretical model of behavior change: a meta-analysis of applications to physical activity and exercise. Ann Behav Med. 2002; 23(4):229-46. DOI: 10.1207/S15324796ABM2304_2. View

19.

Marcus B, Williams D, Dubbert P, Sallis J, King A, Yancey A . Physical activity intervention studies: what we know and what we need to know: a scientific statement from the American Heart Association Council on Nutrition, Physical Activity, and Metabolism (Subcommittee on Physical Activity); Council on.... Circulation. 2006; 114(24):2739-52. DOI: 10.1161/CIRCULATIONAHA.106.179683. View

20.

. American College of Sports Medicine position stand. The recommended quantity and quality of exercise for developing and maintaining cardiorespiratory and muscular fitness in healthy adults. Med Sci Sports Exerc. 1990; 22(2):265-74. View