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Normative Steps/Day Values for Older Adults: NHANES 2005-2006
Abstract
BACKGROUND: Pedometers are more likely than accelerometers to be used in walking interventions and other applications, including wide spread adoption by lay people. The purpose of this article is to provide older adults' sex-and-age-specific normative values for accelerometer-determined steps/day, adjusted to a pedometer-based scale. METHODS: The data source was accelerometer data collected over multiple valid days (defined as ≥ 10 h/day; mean 5.8 ± SE 0.1 valid days) from 1,196 60+ year olds participating in the 2005-2006 National Health and Nutrition Examination Survey. Accelerometer data were adjusted to a pedometer scale using an established process of censoring steps counted during those minutes where activity counts totaled <500. Quintile-defined categories of adjusted steps/day (lowest, below average, average, above average, and highest) for six age groups (60-64, 65-69, 70-74, 75-79, 80-84, and 85+ years) were computed for the entire sample and separately for each sex. LMSChartmakerPro was used to create smoothed percentile curves corresponding to the 5th, 25th, 50th, 75th, and 95th percentiles. RESULTS: Men aged 65-69 years defined the highest single category (>9,126 steps/day) and women aged 85+ years of age defined the lowest single category (<276 steps/day). In general, steps/day tended to decrease within each quintile-defined category as age increased. Similar patterns were apparent in the more detailed LMSChartmakerPro percentiles. CONCLUSIONS: These data represent the first presentation of a detailed population distribution of normative accelerometer-determined steps/day adjusted to pedometer scaling, an instrument more likely to be used in clinical and public health applications.
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“Further, participants engaged in more steps per day (median 7,731 steps per day) than the average steps per day values reported for adults in the USA aged over 60 years16, suggesting that the analytical cohort in this study was more active.”
From Association of step counts over time with the risk of chronic disease in the All of Us Research Program (2022) · cites this paper as [16]
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Metadata
- Authors
- Tudor-Locke, C., Schuna, J. M., Barreira, T. V., Mire, E. F., Broyles, S. T., Katzmarzyk, P. T., & Johnson, W. D.
- Affiliations
- Pennington Biomedical Research Center (US)
- Venue
- The Journals of Gerontology Series A: Biological Sciences and Medical Sciences
- Publisher
- Oxford University Press (OUP)
- Published
- 2013-08-02
- Volume
- 68
- Issue
- 11
- Pages
- 1426-1432
- ISSN
- 1079-5006 (ISSN-L)
- 1758-535X
- OpenAlex
- W2129712642
- Cited by
- 110
- References
- 40
- Citations by year
- 2026: 10 · 2025: 6 · 2024: 9 · 2023: 7 · 2022: 6 · 2021: 6 · 2020: 7 · 2019: 14 · 2018: 7 · 2017: 11 · 2016: 8 · 2015: 13 · 2014: 6
- FWCI
- 6.25
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- The Journals of Gerontology Series A (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Physical Activity and Health
- Health Sciences › Health Professions › Physical Therapy, Sports Therapy and Rehabilitation › Balance, Gait, and Falls Prevention
- Physical Sciences › Computer Science › Computer Vision and Pattern Recognition › Context-Aware Activity Recognition Systems
- Keywords
- daily step count, older adults, pedometers, accelerometer, reference values, sex differences, age differences, physical activity, percentile curves, NHANES
- MeSH terms
- Aged, Aged, 80 and over, Aging, Female, Humans, Male, Middle Aged, Nutrition Surveys, Reference Values, Time Factors, Exercise, Walking
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