• S G Leveille, J M Guralnik, M Hochberg, R Hirsch, L Ferrucci, J Langlois, T Rantanen, and S Ling.
• Epidemiology, Demography, and Biometry Program, National Institute on Aging, Bethesda, Maryland 20892, USA. leveills@exmur.nia.nih.gov
• J. Gerontol. A Biol. Sci. Med. Sci. 1999 Oct 1;54(10):M487-93.

BackgroundLow back pain is a highly prevalent chronic condition, yet little is known about the disabling effects of this common problem in older adults. This study examines the relationship between the presence and severity of low back pain and disability in older women.MethodsThe study population was 1,002 disabled older women participating in a population-based prospective study of disablement. Key outcome measures of disability included level of difficulty and inability to perform the following daily activities: light housework, shopping, walking one-quarter mile, climbing stairs, lifting, and activities of daily living (ADLs).ResultsForty-two percent of participants reported they had low back pain for at least one month in the year before baseline. The prevalence of severe back pain decreased markedly with age (10% of those > or = 85 yr versus 23% in each of the two younger 10 yr age groups). After multivariate adjustments, women with severe back pain were 3 to 4 times more likely than other women to have a lot of difficulty with light housework or shopping. There was also an increased likelihood of difficulty with mobility tasks and basic ADLs among those with severe back pain. No associations were found between back pain and being unable to perform any of the daily activities studied, indicating possible differences in disablement processes leading to functional difficulties versus functional incapacity.ConclusionsThere was a strong association between back pain and functional difficulties in older women, pointing to the need for further research using longitudinal methods.

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