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Docking RE, Fleming J, Brayne C, et al. Pain reporting in older adults: the influence of cognitive impairment - results from the Cambridge City >75 Cohort study. Br J Pain. 2014;8(3):119-24doi: 10.1177/2049463714527437.
Docking, R. E., Fleming, J., Brayne, C., Zhao, J., Macfarlane, G. J., Jones, G. T. (2014). Pain reporting in older adults: the influence of cognitive impairment - results from the Cambridge City >75 Cohort study. British journal of pain, 8(3), 119-24. https://doi.org/10.1177/2049463714527437
Docking, Rachael E, et al. "Pain reporting in older adults: the influence of cognitive impairment - results from the Cambridge City >75 Cohort study." British journal of pain vol. 8,3 (2014): 119-24. doi: https://doi.org/10.1177/2049463714527437
Docking RE, Fleming J, Brayne C, Zhao J, Macfarlane GJ, Jones GT. Pain reporting in older adults: the influence of cognitive impairment - results from the Cambridge City >75 Cohort study. Br J Pain. 2014 Aug;8(3):119-24. doi: 10.1177/2049463714527437. PMID: 26516543; PMCID: PMC4590119.
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Br J Pain. 2014 Aug;8(3):119-24. doi: 10.1177/2049463714527437.

Pain reporting in older adults: the influence of cognitive impairment - results from the Cambridge City >75 Cohort study.

British journal of pain

Rachael E Docking, Jane Fleming, Carol Brayne, Jun Zhao, Gary J Macfarlane, Gareth T Jones,

Affiliations

  1. Musculoskeletal Research Collaboration (Epidemiology Group), University of Aberdeen, Aberdeen, UK ; Faculty of Education and Health, University of Greenwich, London, UK.
  2. Public Health and Primary Care, University of Cambridge, Cambridge, UK.
  3. Musculoskeletal Research Collaboration (Epidemiology Group), University of Aberdeen, Aberdeen, UK.

PMID: 26516543 PMCID: PMC4590119 DOI: 10.1177/2049463714527437

Abstract

OBJECTIVES: Evidence suggests that while disabling back pain (BP), and rheumatic diseases associated with pain, continues to increase with age, the prevalence of non-disabling BP reaches a plateau, or even decreases, in the oldest old. This study aimed to determine whether this age-related pattern of non-disabling BP is a function of increasing cognitive impairment.

METHODS: Cross-sectional study of adults aged >77 years. Participants answered interviewer-administered questions on BP and cognitive function, assessed using the Mini-Mental State Examination, categorised into normal versus mild, moderate or severe impairment. The relationship between cognitive function and BP was examined using multinomial logistic regression, adjusted for age, sex and residence.

RESULTS: Of 1174 participants with BP data, 1126 (96%) completed cognitive assessments. The relationship between cognitive function and BP differed for disabling and non-disabling BP. Across categories of cognitive impairment, increasingly higher prevalence of disabling BP was reported, compared to those with normal cognition, although this was not statistically significant (odds ratio (OR) = 1.7; 95% confidence interval (CI) = 0.7-4.6). No association was found between cognitive function and non-disabling BP (OR = 0.8; 95% CI = 0.4-1.6).

CONCLUSION: This study found no association between the reporting of BP and level of cognitive impairment, suggesting that increasing cognitive impairment is an inadequate explanation for age-related decline in self-reported non-disabling BP. Future research should determine the reasons for the decline in non-disabling pain in older adults, although, meanwhile, it is important to ensure that this group receive appropriate pain assessment and pain management.

KEY POINTS: Prevalence of non-disabling back pain decreases in the oldest old.Some have proposed that this may be a function of cognitive impairment in older age, and an increasing inability to adequately report pain.Our findings do not support this hypothesis.

Keywords: Back pain; cognitive impairment; dementia; older people

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