Patterns of sedentary behavior and physical function in older adults
Tóm tắt
The purposes of this study were to examine the relationship between various objectively measured sedentary behavior (SB) variables and physical function in older adults, examine the measurement properties of an SB questionnaire, and describe the domains of SB in our sample. Forty-four older adults (70 ± 8 years, 64 % female) had their SB measured via activPAL activity monitor and SB questionnaire for 1 week followed by performance-based tests of physical function. The pattern of SB was more important than total SB time. Where a gender by SB interaction was found, increasing time in SB and fewer breaks were associated with worse function in the males only. The SB questionnaire had acceptable test–retest reliability but poor validity compared to activPAL-measured SB. The majority of SB time was spent watching television, using the computer and reading. This study provides further evidence for the association between SB and physical function and describes where older adults are spending their sedentary time. This information can be used in the design of future intervention to reduce sedentary time and improve function in older adults.
Tài liệu tham khảo
Sedentary Behaviour Research Network (2012) Letter to the editor: standardized use of the terms “sedentary” and “sedentary behaviours”. Appl Physiol Nutr Metab 37:540–542
Matthews CE, Chen KY, Freedson PS et al (2008) Amount of time spent in sedentary behaviors in the United States, 2003–2004. Am J Epidemiol 167:875–881
Centers for Disease Control and Prevention (CDC), National Center for Health Statistics (NCHS) (2012) Health Data Interactive. http://www.cdc.gov/nchs/hdi.htm. Accessed 16 Sep 2014
Seguin R, Lamonte M, Tinker L et al (2012) Sedentary behavior and physical function decline in older women: findings from the women’s health initiative. J Aging Res 2012:271589
Gennuso KP, Gangnon RE, Matthews CE, Thraen-Borowski KM, Colbert LH (2013) Sedentary behavior, physical activity, and markers of health in older adults. Med Sci Sports Exerc 45:1493–1500
Matthews CE, Hagströmer M, Pober DM, Bowles HR (2012) Best practices for using physical activity monitors in population-based research. Med Sci Sports Exerc 44:S68–S76
Kozey-Keadle S, Libertine A, Lyden K, Staudenmayer J, Freedson PS (2011) Validation of wearable monitors for assessing sedentary behavior. Med Sci Sports Exerc 43:1561–1567
Guralnik JM, Simonsick EM, Ferrucci L et al (1994) A short physical performance battery assessing lower extremity function: association with self-reported disability and prediction of mortality and nursing home admission. J Gerontol 49:M85–M94
Simonsick EM, Newman AB, Nevitt MC et al (2001) Measuring higher level physical function in well-functioning older adults: expanding familiar approaches in the Health ABC study. J Gerontol A Biol Sci Med Sci 56:M644–M649
Sieri T, Beretta G (2004) Fall risk assessment in very old males and females living in nursing homes. Disabil Rehabil 26:718–723
de Bruin ED, Swanenburg J, Betschon E, Murer K (2009) A randomised controlled trial investigating motor skill training as a function of attentional focus in old age. BMC Geriatr 9:15
Ware JE Jr, Sherbourne CD (1992) The MOS 36-item short-form health survey (SF-36). I. Conceptual framework and item selection. Med Care 30:473–483
Gardiner PA, Clark BK, Healy GN, Eakin EG, Winkler EA, Owen N (2011) Measuring older adults’ sedentary time: reliability, validity, and responsiveness. Med Sci Sports Exerc 43:2127–2133
Lin LI (1989) A concordance correlation coefficient to evaluate reproducibility. Biometrics 45:255–268
McBride GB (2005) A proposal for strength-of-agreement criteria for Lin’s concordance correlation coefficient. NIWA client report: HAM2005-062. http://www.niwa.co.nz/. Accessed 16 Sep 2014
Santos DA, Silva AM, Baptista F et al (2012) Sedentary behavior and physical activity are independently related to functional fitness in older adults. Exp Gerontol 47:908–912
Ware JJ (2003) SF-36 health survey: manual and interpretation guide. Qual Metr, Boston
Matthews CE, Keadle SK, Sampson J et al (2013) Validation of a previous-day recall measure of active and sedentary behaviors. Med Sci Sports Exerc 45:1629–1638
Krantz-Kent R, Stewart J (2007) How do older Americans spend their time? Mon Lab Rev 130:8–26
Gennuso KP, Zalewski K, Cashin SE, Strath SJ (2013) Resistance training congruent with minimal guidelines improves function in older adults: a pilot study. J Phys Act Health 10:769–776
Manini T, Marko M, VanArnam T et al (2007) Efficacy of resistance and task-specific exercise in older adults who modify tasks of everyday life. J Gerontol A Biol Sci Med Sci 62:616–623
Miszko TA, Cress ME, Slade JM, Covey CJ, Agrawal SK, Doerr CE (2003) Effect of strength and power training on physical function in community-dwelling older adults. J Gerontol A Biol Sci Med Sci 58:171–175