Validating copyrighted instruments

Subjects: A total of 291 subjects aged ≥65 years with a mean age of 72.7 (standard deviation 6.2) years, 76% female, and 56% African Americans.

Analysis: Psychometric validity and reliability of the Self-Report HABC Monitor.

HABC Monitor – Self-Report Version The Self-Report Version includes 27 items covering cognitive, functional, and psychological symptoms.

Each item has the same item response options consisting of four categories capturing the frequency of the target symptoms in that past 2 weeks.

Accepted for publication 2 July 2014 Published 5 December 2014 Volume 2014:9 Pages 2123—2132 DOI

Each patient was asked to complete the Self-Report Version of the HABC Monitor and the Telephone Interview for Cognitive Status (TICS) over the telephone.

Patients meeting the following criteria were eligible for the study: 1) age ≥65 years, 2) had at least one visit to primary care during the period from January 1, 2008 to April 1, 2011, and 3) had any International Classification of Diseases, Ninth Revision (ICD-9) code (using both inpatient and outpatient Regenstrief Medical Record Systems over the 3 years 2005–2008) indicating cognitive impairment or had received at least one prescription of a cholinesterase inhibitor or memantine or had any ICD-9 code indicating depression or had received at least one prescription of a selective serotonin reuptake inhibitor.

Subject recruitment and testing During a quality improvement project to evaluate the implementation of the collaborative care model for patients suffering from cognitive or emotional problems, we contacted a random sample of patients meeting the inclusion criteria at two time points – prior to the implementation of the collaborative care model (2009) and 1 year after the implementation of such a model (2010).

Total score was a sum of all 27 items in the three symptom domains.

Higher scores represent worse scores for individual symptom domains and for the overall scale.

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