Assistive walking device use and knee osteoarthritis

Results from the health, aging and body composition study (Health ABC Study)

Laura D. Carbone, Suzanne Satterfield, Caiqin Liu, Kent C. Kwoh, Tuhina Neogi, Elizabeth Tolley, Michael Nevitt

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

Objectives: To identify factors that predicted incident use of assistive walking devices (AWDs) and to explore whether AWD use was associated with changes in osteoarthritis of the knee. Design: Prospective cohort study. Setting: Community. Participants: Older adults (N=2639) in the Health, Aging and Body Composition (Health ABC) Study including a subset of 874 patients with prevalent knee pain. Interventions: Not applicable. Main Outcome Measures: Incident use of AWDs, mean Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) pain scores, and the frequency of joint space narrowing on knee radiographs over a 3-year time period. Results: AWD use was initiated by 9% of the entire Health ABC cohort and 12% of the knee pain subset. Factors that predicted use in both groups were age ≥73 (entire cohort: odds ratio [OR]=2.07; 95% confidence interval [CI], 1.43-3.01; knee pain subset: OR=1.87; 95% CI, 1.16-3.03), black race (entire cohort: OR=2.95; 95% CI, 2.09-4.16; knee pain subset: OR=3.21; 95% CI, 2.01-5.11), and lower balance ratios (entire cohort: OR=3.18; 95% CI, 2.21-4.59; knee pain subset: OR=3.77; 95% CI, 2.34-6.07). Mean WOMAC pain scores decreased slightly over time in both AWD and non-AWD users. Twenty percent of non-AWD users and 28% of AWD users had radiographic progression in joint space narrowing of the tibiofemoral joint in at least 1 knee. Fourteen percent of non-AWD users and 12% of AWD users had radiographic progression in joint space narrowing in the patellofemoral joint in at least 1 knee. Conclusions: AWDs are frequently used by older adults. Knee pain and balance problems are significant reasons why older adults initiate use of an AWD. In an exploratory analysis, there was no consistent relation between the use or nonuse of an AWD and WOMAC pain scores or knee joint space narrowing progression. Further studies of the relation of use of AWDs to changes in knee osteoarthritis are needed.

Original languageEnglish (US)
Pages (from-to)332-339
Number of pages8
JournalArchives of Physical Medicine and Rehabilitation
Volume94
Issue number2
DOIs
StatePublished - Feb 1 2013

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Self-Help Devices
Knee Osteoarthritis
Body Composition
Walking
Health
Knee
Pain
Odds Ratio
Confidence Intervals
Joints
Equipment and Supplies
Patellofemoral Joint
Ontario
Knee Joint
Osteoarthritis

All Science Journal Classification (ASJC) codes

  • Physical Therapy, Sports Therapy and Rehabilitation
  • Rehabilitation

Cite this

Assistive walking device use and knee osteoarthritis : Results from the health, aging and body composition study (Health ABC Study). / Carbone, Laura D.; Satterfield, Suzanne; Liu, Caiqin; Kwoh, Kent C.; Neogi, Tuhina; Tolley, Elizabeth; Nevitt, Michael.

In: Archives of Physical Medicine and Rehabilitation, Vol. 94, No. 2, 01.02.2013, p. 332-339.

Research output: Contribution to journalArticle

Carbone, Laura D. ; Satterfield, Suzanne ; Liu, Caiqin ; Kwoh, Kent C. ; Neogi, Tuhina ; Tolley, Elizabeth ; Nevitt, Michael. / Assistive walking device use and knee osteoarthritis : Results from the health, aging and body composition study (Health ABC Study). In: Archives of Physical Medicine and Rehabilitation. 2013 ; Vol. 94, No. 2. pp. 332-339.
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AU - Tolley, Elizabeth

AU - Nevitt, Michael

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N2 - Objectives: To identify factors that predicted incident use of assistive walking devices (AWDs) and to explore whether AWD use was associated with changes in osteoarthritis of the knee. Design: Prospective cohort study. Setting: Community. Participants: Older adults (N=2639) in the Health, Aging and Body Composition (Health ABC) Study including a subset of 874 patients with prevalent knee pain. Interventions: Not applicable. Main Outcome Measures: Incident use of AWDs, mean Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) pain scores, and the frequency of joint space narrowing on knee radiographs over a 3-year time period. Results: AWD use was initiated by 9% of the entire Health ABC cohort and 12% of the knee pain subset. Factors that predicted use in both groups were age ≥73 (entire cohort: odds ratio [OR]=2.07; 95% confidence interval [CI], 1.43-3.01; knee pain subset: OR=1.87; 95% CI, 1.16-3.03), black race (entire cohort: OR=2.95; 95% CI, 2.09-4.16; knee pain subset: OR=3.21; 95% CI, 2.01-5.11), and lower balance ratios (entire cohort: OR=3.18; 95% CI, 2.21-4.59; knee pain subset: OR=3.77; 95% CI, 2.34-6.07). Mean WOMAC pain scores decreased slightly over time in both AWD and non-AWD users. Twenty percent of non-AWD users and 28% of AWD users had radiographic progression in joint space narrowing of the tibiofemoral joint in at least 1 knee. Fourteen percent of non-AWD users and 12% of AWD users had radiographic progression in joint space narrowing in the patellofemoral joint in at least 1 knee. Conclusions: AWDs are frequently used by older adults. Knee pain and balance problems are significant reasons why older adults initiate use of an AWD. In an exploratory analysis, there was no consistent relation between the use or nonuse of an AWD and WOMAC pain scores or knee joint space narrowing progression. Further studies of the relation of use of AWDs to changes in knee osteoarthritis are needed.

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