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Illness representations are associated with fluid nonadherence among hemodialysis patients.
J Psychosom Res. 2010 Feb; 68(2):203-12.JP

Abstract

OBJECTIVE

Patients with end-stage renal disease are required to limit fluid and salt intake. We examined illness representations [common-sense model (CSM)] among a sample of hemodialysis (HD) patients, investigating whether fluid-adherent patients held illness representations different from those of nonadherent patients. We also explored the utility of illness perceptions in predicting fluid nonadherence after controlling for clinical parameters, including residual renal function (KRU).

METHODS

Illness perceptions were assessed [Revised Illness Perception Questionnaire (IPQ-R)] in 99 HD patients. Clinical parameters were collected and averaged over a 3-month period prior to and including the month of IPQ-R assessment. Depression scores, functional status, and comorbidity were also collected. Fluid nonadherence was defined using interdialytic weight gain (IDWG) and dry weight (ideal weight). Patients in the upper quartile of percent weight gain were defined as nonadherent (IDWG> or =3.21% dry weight).

RESULTS

Nonadherent patients had timeline perceptions significantly lower than those of adherent patients. Logistic regression models were computed in order to identify predictors of fluid nonadherence. After several demographic and clinical variables, including age, gender, and KRU, had been controlled for, lower consequence perceptions predicted nonadherence.

CONCLUSIONS

Illness representations appear to predict fluid nonadherence among HD patients. Extending the CSM to investigate specific perceptions surrounding treatment behaviors may be useful and merits attention in this setting.

Authors+Show Affiliations

Renal Unit Lister Hospital, Stevenage, UK. josephchilcot@nhs.netNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

20105704

Citation

Chilcot, Joseph, et al. "Illness Representations Are Associated With Fluid Nonadherence Among Hemodialysis Patients." Journal of Psychosomatic Research, vol. 68, no. 2, 2010, pp. 203-12.
Chilcot J, Wellsted D, Farrington K. Illness representations are associated with fluid nonadherence among hemodialysis patients. J Psychosom Res. 2010;68(2):203-12.
Chilcot, J., Wellsted, D., & Farrington, K. (2010). Illness representations are associated with fluid nonadherence among hemodialysis patients. Journal of Psychosomatic Research, 68(2), 203-12. https://doi.org/10.1016/j.jpsychores.2009.08.010
Chilcot J, Wellsted D, Farrington K. Illness Representations Are Associated With Fluid Nonadherence Among Hemodialysis Patients. J Psychosom Res. 2010;68(2):203-12. PubMed PMID: 20105704.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Illness representations are associated with fluid nonadherence among hemodialysis patients. AU - Chilcot,Joseph, AU - Wellsted,David, AU - Farrington,Ken, Y1 - 2009/11/03/ PY - 2009/03/27/received PY - 2009/08/18/revised PY - 2009/08/25/accepted PY - 2010/1/29/entrez PY - 2010/1/29/pubmed PY - 2010/4/20/medline SP - 203 EP - 12 JF - Journal of psychosomatic research JO - J Psychosom Res VL - 68 IS - 2 N2 - OBJECTIVE: Patients with end-stage renal disease are required to limit fluid and salt intake. We examined illness representations [common-sense model (CSM)] among a sample of hemodialysis (HD) patients, investigating whether fluid-adherent patients held illness representations different from those of nonadherent patients. We also explored the utility of illness perceptions in predicting fluid nonadherence after controlling for clinical parameters, including residual renal function (KRU). METHODS: Illness perceptions were assessed [Revised Illness Perception Questionnaire (IPQ-R)] in 99 HD patients. Clinical parameters were collected and averaged over a 3-month period prior to and including the month of IPQ-R assessment. Depression scores, functional status, and comorbidity were also collected. Fluid nonadherence was defined using interdialytic weight gain (IDWG) and dry weight (ideal weight). Patients in the upper quartile of percent weight gain were defined as nonadherent (IDWG> or =3.21% dry weight). RESULTS: Nonadherent patients had timeline perceptions significantly lower than those of adherent patients. Logistic regression models were computed in order to identify predictors of fluid nonadherence. After several demographic and clinical variables, including age, gender, and KRU, had been controlled for, lower consequence perceptions predicted nonadherence. CONCLUSIONS: Illness representations appear to predict fluid nonadherence among HD patients. Extending the CSM to investigate specific perceptions surrounding treatment behaviors may be useful and merits attention in this setting. SN - 1879-1360 UR - https://www.unboundmedicine.com/medline/citation/20105704/Illness_representations_are_associated_with_fluid_nonadherence_among_hemodialysis_patients_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S0022-3999(09)00367-5 DB - PRIME DP - Unbound Medicine ER -