Social Participation Modifies the Effect of a Structured Physical Activity Program on Major Mobility Disability Among Older Adults: Results From the LIFE Study

Duane B Corbett, W Jack Rejeski, Catrine Tudor-Locke, Nancy W Glynn, Stephen B Kritchevsky, Mary M McDermott, Timothy S Church, Roger A Fielding, Thomas M Gill, Abby C King, Michael E Miller, Haiying Chen, Marco Pahor, Todd M Manini, Study InvestigatorsMarco Pahor Life, Jack M Guralnik,, Christiaan Leeuwenburgh, Connie Caudle, Lauren Crump, Latonia Holmes, Jocelyn Lee, Ching-ju Lu, Winston Salem, Michael E Miller, Mark A Espeland, Walter T Ambrosius, William Applegate, Daniel P Beavers, Robert P Byington, Delilah CookCCRP, Curt D Furberg,, Lea N HarvinBS, Leora Henkin, John Hepler, Fang-Chi Hsu, Laura Lovato, Wesley Roberson, Julia Rushing, Scott RushingBS, Cynthia L Stowe, Michael P Walkup, Don Hire, W Jack Rejeski, Jeffrey A Katula, Peter H Brubaker, Shannon L Mihalko, Janine M Jennings, Evan C Hadley, Sergei Romashkan,, Kushang V Patel, Denise Bonds, Mary M McDermott, Joshua Hauser, Diana Kerwin, Kathryn Domanchuk, Rex Graff, Alvito Rego, Timothy S Church, Steven N Blair, Valerie H Myers, Ron MoncePA-C, Nathan E Britt, Melissa Nauta Harris, Ami Parks McGucken, Ruben Rodarte, Heidi K Millet, Catrine Tudor-Locke, Ben P ButittaBS, Sheletta G Donatto, Shannon H Cocreham, Abby C King, Cynthia M Castro, William L Haskell, Randall S Stafford, Leslie A Pruitt, Kathy Berra, Veronica Yank, Roger A Fielding, Miriam E Nelson, Sara C Folta, Edward M Phillips, Christine K Liu, Erica C McDavitt, Kieran F Reid, Won S Kim, Vince E Beard, Todd M Manini, Marco Pahor, Stephen D Anton, Thomas W Buford, Michael Marsiske, Bhanuprasad D Sandesara, Jeffrey D Knaggs, Megan S Lorow, William C Marena, Irina Korytov, Holly L Morris, Margo FitchPT, Floris F Singletary, Jackie Causer, Katie A Radcliff, Anne B Newman, Stephanie A Studenski, Bret H Goodpaster, Nancy W Glynn, Oscar Lopez, Neelesh K Nadkarni,, Kathy Williams, Mark A Newman, George Grove, Janet T Bonk, Jennifer Rush, Piera Kost, Diane G IvesMPH, Stephen B Kritchevsky, Anthony P Marsh, Tina E Brinkley, Jamehl S Demons, Kaycee M Sink, Kimberly Kennedy, Rachel Shertzer-Skinner, Abbie Wrights, Rose Fries, Deborah Barr, Thomas M Gill, Robert S Axtell, Susan S Kashaf, Nathalie de Rekeneire, Joanne M McGloiniv, Karen C WuRN, Denise M Shepard, Barbara Fennelly, Lynne P Iannone, Raeleen Mautner, Theresa Sweeney Barnett, Sean N Halpin, Matthew J Brennan, Julie A Bugaj, Maria A Zenoni, Bridget M Mignosa, Jeff Williamson, Kaycee M Sink, Hugh C Hendrie, Stephen R Rapp, Joe Verghese, Nancy Woolard, Mark Espeland, Janine Jennings, Carl J Pepine, Mario Ariet, Eileen Handberg, Daniel Deluca, James Hill, Anita Szady, Geoffrey L Chupp, Gail M Flynn, Thomas M Gill, John L Hankinson, Carlos A Vaz Fragoso, Erik J Groessl and Robert M Kaplan

The Journals of Gerontology: Series B, 2018, vol. 73, issue 8, 1501-1513

Abstract: Objectives To investigate whether baseline social participation modifies the effect of a long-term structured physical activity (PA) program on major mobility disability (MMD). Method s1,635 sedentary adults (70–89 years) with physical limitations were randomized to either a structured PA or health education (HE) intervention. Social participation was defined categorically at baseline. High social participation was defined as attending organized group functions at least once per week and visiting with noncohabitating friends and family ≥7 hr per week. Anything less was considered limited social participation. Participants performed a standardized walking test at baseline and every 6 months for up to 42 months. MMD was defined as the loss in the ability to walk 400 m. Results There was a significant intervention by social participation interaction (p = .003). Among individuals with high levels of social participation, those randomized to PA had significantly lower incidence of MMD (hazard ratio [HR], 0.43 [95% confidence interval (CI), 0.27–0.68]; p < .01) than those randomized to HE. Individuals with limited social participation showed no mobility benefit of the PA intervention when compared with their HE counterparts (HR, 0.92 [95% CI, 0.77–1.11]; p = .40). Discussion Our findings suggest that baseline social participation is an important factor for the success of a PA intervention aimed at delaying mobility disability.

Keywords: Disability; Physical activity; Social integration (search for similar items in EconPapers)
Date: 2018
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