Weight satisfaction, management strategies and health beliefs in knee osteoarthritis patients attending an outpatient clinic

A. R. M. S. Ekram, F. M. Cicuttini, A. J. Teichtahl, B. R. Crammond, C. B. Lombard, S. M. Liew, D. M. Urquhart, A. E. Wluka

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Abstract

Background: Although weight control is important in managing knee osteoarthritis (OA), it is difficult to achieve. Understanding beliefs regarding weight management in people with knee OA may improve weight control. Aims: To examine differences in bodyweight satisfaction, weight management strategies and weight-related health-beliefs in obese, overweight and normal weight people with knee OA. Methods: The beliefs and attitudes to weight in 102 people with symptomatic knee OA were ascertained. Participants were classified as being obese, overweight or of normal weight. Results: Although obese and overweight participants were less satisfied with their bodyweight, they were more likely to want to lose weight and to report dieting compared with normal weight participants(P<0.001 for all) and also more likely to report weight gain in the past 6 months (P <0.001). While most participants rated food intake to be a main determinant of health, this belief was more common in normal weight participants (P=0.04). When asked about their own weight gain, obese participants more frequently believed genetic and metabolic factors to be important than normal and overweight participants (P=0.01). While 51 (53%) believed that increasing activity was more important than dietary change to avoid weight gain, this was more commonly believed by obese and overweight participants (P<0.05). Conclusions: Despite desiring and attempting to lose weight, obese people with symptomatic knee OA more commonly reported weight gain. Overweight and obese participants attributed weight gain to non-modifiable factors but believed physical activity is more important than dietary change in weight management. Thus, education regarding the importance of diet as compared with non-modifiable factors and physical activity may improve weight management in obese people with knee OA.

Original languageEnglish
Pages (from-to)435-442
Number of pages8
JournalInternal Medicine Journal
Volume46
Issue number4
DOIs
Publication statusPublished - 1 Apr 2016

Keywords

  • Beliefs
  • Knee
  • Obesity
  • Osteoarthritis
  • Weight loss

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