Contextual correlates of physical activity among older adults: Aneighborhood environment-wide association study (ne-was)

Stephen J. Mooney, Spruha Joshi, Magdalena Cerda, Gary J. Kennedy, John R. Beard, Andrew G. Rundle

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

Background: Few older adults achieve recommended physical activity levels.Weconducted a neighborhood environment-wide association study (NE-WAS) of neighborhood influences on physical activity among older adults, analogous, in a genetic context, to a genome-wide association study. Methods: Physical Activity Scale for the Elderly (PASE) and sociodemographic data were collected via telephone survey of 3,497 residents of New York City aged 65 to 75 years. Using Geographic Information Systems, we created 337 variables describing each participant's residential neighborhood's built, social, and economic context. We used survey-weighted regression models adjusting for individual-level covariates to test for associations between each neighborhood variable and (i) total PASE score, (ii) gardening activity, (iii) walking, and (iv) housework (as a negative control). We also applied two Big Data analytic techniques, LASSO regression, and Random Forests, to algorithmically select neighborhood variables predictive of these four physical activity measures. Results: Of all 337 measures, proportion of residents living in extreme poverty was most strongly associated with total physical activity [0.85; (95% confidence interval, 1.14 to 0.56) PASE units per 1% increase in proportion of residents living with household incomes less than half the federal poverty line]. Only neighborhood socioeconomic status and disorder measures were associated with total activity and gardening, whereas a broader range of measures was associated with walking. As expected, no neighborhood meaZsures were associated with housework after accounting for multiple comparisons. Conclusions: This systematic approach revealed patterns in the domains of neighborhood measures associated with physical activity. Impact: The NE-WAS approach appears to be a promising exploratory technique.

Original languageEnglish (US)
Pages (from-to)495-504
Number of pages10
JournalCancer Epidemiology Biomarkers and Prevention
Volume26
Issue number4
DOIs
StatePublished - Apr 1 2017

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Exercise
Gardening
Housekeeping
Poverty
Walking
Geographic Information Systems
Genome-Wide Association Study
Telephone
Social Class
Economics
Confidence Intervals

ASJC Scopus subject areas

  • Epidemiology
  • Oncology

Cite this

Contextual correlates of physical activity among older adults : Aneighborhood environment-wide association study (ne-was). / Mooney, Stephen J.; Joshi, Spruha; Cerda, Magdalena; Kennedy, Gary J.; Beard, John R.; Rundle, Andrew G.

In: Cancer Epidemiology Biomarkers and Prevention, Vol. 26, No. 4, 01.04.2017, p. 495-504.

Research output: Contribution to journalArticle

Mooney, Stephen J. ; Joshi, Spruha ; Cerda, Magdalena ; Kennedy, Gary J. ; Beard, John R. ; Rundle, Andrew G. / Contextual correlates of physical activity among older adults : Aneighborhood environment-wide association study (ne-was). In: Cancer Epidemiology Biomarkers and Prevention. 2017 ; Vol. 26, No. 4. pp. 495-504.
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