Longitudinal impact of frequent knee and back pain on health-related quality of life: data from the osteoarthritis initiative

  • Bindawas S
  • Vennu V
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Abstract

Background: The frequent knee pain (KP) and back pain (BP) are two prevalent musculoskeletal conditions that associated with limited physical function and disability. Purpose: The purpose of the present study was to examine the longitudinal impact of self-reported frequent KP and BP on Health-Related Quality of Life (HRQoL) among older men and women. Methods: A 6-year prospective cohort of 1350 men's and women's aged 45-79 at baseline from the Osteoarthritis Initiative (OAI) study. Baseline self-reported frequent KP and BP were used to classify participants into four groups: no frequent KP and no BP; BP and no frequent KP; frequent KP and no BP; and frequent KP and BP. HRQoL was measured by using the two summary scale: physical composite scale (PCS) and mental composite scale (MCS) of the health survey short form (SF)-12. Results: Using general linear mixed models, we found a significant association between frequent KP and BP with decreased HRQoL over time. After controlling for potential confounding factors, frequent KP and BP were associated with decreased HRQoL in men (PCS: b =-4.95, SE = 0.61, p < .0001; MCS: b =-1.37, SE = 0.49, p = 0.006) and in women (PCS: b =-6.04, SE = 0.60, p < .0001; MCS: b =-1.42, SE = 0.57, p = 0.013) respectively compared to no frequent KP and no BP. Conclusion(s): Our results suggest that both frequent KP and BP are associated with decreased HRQoL over time; and decreased faster in women. Implications: Understanding the impact of musculoskeletal pain among elderly may lead to the implementation of effective preventive measures, thus improving HRQoL and reducing public health expenditure.

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Bindawas, S. M., & Vennu, V. (2015). Longitudinal impact of frequent knee and back pain on health-related quality of life: data from the osteoarthritis initiative. Physiotherapy, 101, e150. https://doi.org/10.1016/j.physio.2015.03.299

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