Obesity and other modifiable factors for physical inactivity measured by accelerometer in adults with knee osteoarthritis

Jungwha Lee, Jing Song, Jennifer M. Hootman, Pamela A. Semanik, Rowland W. Chang, Leena Sharma, Linda Van Horn, Joan M. Bathon, Charles B. Eaton, Marc C. Hochberg, Rebecca Jackson, Chian K Kwoh, W. Jerry Mysiw, Michael Nevitt, Dorothy D. Dunlop

Research output: Contribution to journalArticle

42 Citations (Scopus)

Abstract

Objective To investigate the public health impact of obesity and other modifiable risk factors related to physical inactivity in adults with knee osteoarthritis (OA). Methods The frequency of inactivity as defined by the US Department of Health and Human Services was assessed from objective accelerometer monitoring of 1,089 participants (ages 49-84 years) with radiographic knee OA during the Osteoarthritis Initiative 48-month visit (2008-2010). The relationship between modifiable factors (weight status, dietary fat, fiber, smoking, depressive symptoms, knee function, knee pain, and knee confidence) with inactivity was assessed using odds ratios (ORs) and attributable fractions (AFs), controlling for descriptive factors (age, sex, race, education, lives alone, employment, frequent knee symptoms, and comorbidity). Results Almost half (48.9%) of participants with knee OA were inactive. Being overweight (OR 1.8, 95% confidence interval [95% CI] 1.2-2.5) or obese (OR 3.9, 95% CI 2.6-5.7), having inadequate dietary fiber intake (OR 1.6, 95% CI 1.2-2.2), severe knee dysfunction (OR 1.9, 95% CI 1.3-2.8), and severe pain (OR 1.7, 95% CI 1.1-2.5) were significantly related to inactivity, controlling for descriptive factors. Modifiable factors with significant average AFs were being overweight or obese (AF 23.8%, 95% CI 10.5-38.6%) and inadequate dietary fiber (AF 12.1%, 95% CI 0.1-24.5%), controlling for all factors. Conclusion Being obese or overweight, the quality of the diet, severe pain, and severe dysfunction are significantly associated with physical inactivity in adults with knee OA. All components should be considered in designing physical activity interventions that target arthritis populations with low activity levels.

Original languageEnglish (US)
Pages (from-to)53-61
Number of pages9
JournalArthritis Care and Research
Volume65
Issue number1
DOIs
StatePublished - Jan 2013
Externally publishedYes

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Knee Osteoarthritis
Obesity
Confidence Intervals
Odds Ratio
Knee
Dietary Fiber
Pain
United States Dept. of Health and Human Services
Sex Education
Health Services Needs and Demand
Age Factors
Dietary Fats
Osteoarthritis
Arthritis
Comorbidity
Public Health
Smoking
Exercise
Depression
Diet

ASJC Scopus subject areas

  • Rheumatology

Cite this

Lee, J., Song, J., Hootman, J. M., Semanik, P. A., Chang, R. W., Sharma, L., ... Dunlop, D. D. (2013). Obesity and other modifiable factors for physical inactivity measured by accelerometer in adults with knee osteoarthritis. Arthritis Care and Research, 65(1), 53-61. https://doi.org/10.1002/acr.21754

Obesity and other modifiable factors for physical inactivity measured by accelerometer in adults with knee osteoarthritis. / Lee, Jungwha; Song, Jing; Hootman, Jennifer M.; Semanik, Pamela A.; Chang, Rowland W.; Sharma, Leena; Van Horn, Linda; Bathon, Joan M.; Eaton, Charles B.; Hochberg, Marc C.; Jackson, Rebecca; Kwoh, Chian K; Mysiw, W. Jerry; Nevitt, Michael; Dunlop, Dorothy D.

In: Arthritis Care and Research, Vol. 65, No. 1, 01.2013, p. 53-61.

Research output: Contribution to journalArticle

Lee, J, Song, J, Hootman, JM, Semanik, PA, Chang, RW, Sharma, L, Van Horn, L, Bathon, JM, Eaton, CB, Hochberg, MC, Jackson, R, Kwoh, CK, Mysiw, WJ, Nevitt, M & Dunlop, DD 2013, 'Obesity and other modifiable factors for physical inactivity measured by accelerometer in adults with knee osteoarthritis', Arthritis Care and Research, vol. 65, no. 1, pp. 53-61. https://doi.org/10.1002/acr.21754
Lee, Jungwha ; Song, Jing ; Hootman, Jennifer M. ; Semanik, Pamela A. ; Chang, Rowland W. ; Sharma, Leena ; Van Horn, Linda ; Bathon, Joan M. ; Eaton, Charles B. ; Hochberg, Marc C. ; Jackson, Rebecca ; Kwoh, Chian K ; Mysiw, W. Jerry ; Nevitt, Michael ; Dunlop, Dorothy D. / Obesity and other modifiable factors for physical inactivity measured by accelerometer in adults with knee osteoarthritis. In: Arthritis Care and Research. 2013 ; Vol. 65, No. 1. pp. 53-61.
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abstract = "Objective To investigate the public health impact of obesity and other modifiable risk factors related to physical inactivity in adults with knee osteoarthritis (OA). Methods The frequency of inactivity as defined by the US Department of Health and Human Services was assessed from objective accelerometer monitoring of 1,089 participants (ages 49-84 years) with radiographic knee OA during the Osteoarthritis Initiative 48-month visit (2008-2010). The relationship between modifiable factors (weight status, dietary fat, fiber, smoking, depressive symptoms, knee function, knee pain, and knee confidence) with inactivity was assessed using odds ratios (ORs) and attributable fractions (AFs), controlling for descriptive factors (age, sex, race, education, lives alone, employment, frequent knee symptoms, and comorbidity). Results Almost half (48.9{\%}) of participants with knee OA were inactive. Being overweight (OR 1.8, 95{\%} confidence interval [95{\%} CI] 1.2-2.5) or obese (OR 3.9, 95{\%} CI 2.6-5.7), having inadequate dietary fiber intake (OR 1.6, 95{\%} CI 1.2-2.2), severe knee dysfunction (OR 1.9, 95{\%} CI 1.3-2.8), and severe pain (OR 1.7, 95{\%} CI 1.1-2.5) were significantly related to inactivity, controlling for descriptive factors. Modifiable factors with significant average AFs were being overweight or obese (AF 23.8{\%}, 95{\%} CI 10.5-38.6{\%}) and inadequate dietary fiber (AF 12.1{\%}, 95{\%} CI 0.1-24.5{\%}), controlling for all factors. Conclusion Being obese or overweight, the quality of the diet, severe pain, and severe dysfunction are significantly associated with physical inactivity in adults with knee OA. All components should be considered in designing physical activity interventions that target arthritis populations with low activity levels.",
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AU - Song, Jing

AU - Hootman, Jennifer M.

AU - Semanik, Pamela A.

AU - Chang, Rowland W.

AU - Sharma, Leena

AU - Van Horn, Linda

AU - Bathon, Joan M.

AU - Eaton, Charles B.

AU - Hochberg, Marc C.

AU - Jackson, Rebecca

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AU - Mysiw, W. Jerry

AU - Nevitt, Michael

AU - Dunlop, Dorothy D.

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N2 - Objective To investigate the public health impact of obesity and other modifiable risk factors related to physical inactivity in adults with knee osteoarthritis (OA). Methods The frequency of inactivity as defined by the US Department of Health and Human Services was assessed from objective accelerometer monitoring of 1,089 participants (ages 49-84 years) with radiographic knee OA during the Osteoarthritis Initiative 48-month visit (2008-2010). The relationship between modifiable factors (weight status, dietary fat, fiber, smoking, depressive symptoms, knee function, knee pain, and knee confidence) with inactivity was assessed using odds ratios (ORs) and attributable fractions (AFs), controlling for descriptive factors (age, sex, race, education, lives alone, employment, frequent knee symptoms, and comorbidity). Results Almost half (48.9%) of participants with knee OA were inactive. Being overweight (OR 1.8, 95% confidence interval [95% CI] 1.2-2.5) or obese (OR 3.9, 95% CI 2.6-5.7), having inadequate dietary fiber intake (OR 1.6, 95% CI 1.2-2.2), severe knee dysfunction (OR 1.9, 95% CI 1.3-2.8), and severe pain (OR 1.7, 95% CI 1.1-2.5) were significantly related to inactivity, controlling for descriptive factors. Modifiable factors with significant average AFs were being overweight or obese (AF 23.8%, 95% CI 10.5-38.6%) and inadequate dietary fiber (AF 12.1%, 95% CI 0.1-24.5%), controlling for all factors. Conclusion Being obese or overweight, the quality of the diet, severe pain, and severe dysfunction are significantly associated with physical inactivity in adults with knee OA. All components should be considered in designing physical activity interventions that target arthritis populations with low activity levels.

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