Assessing psychometric qualities of the Groningen Frailty Indicator

Thiruchelvam, Kaeshaelya, Hasan, Syed Shahzad, Wong, Pei Se, and Kairuz, Therese (2016) Assessing psychometric qualities of the Groningen Frailty Indicator. In: [Presented at the 12th National Geriatrics Conference]. From: 12th National Geriatrics Conference, 4-6 August 2016, Sabah, Malaysia.

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Abstract

Introduction: Early diagnosis of frailty, a common geriatric condition, is imperative for proactive primary care. The Groningen Frailty Indicator (GFI) was developed in the Netherlands to assess frailty. However, its validity in other ethno-cultural backgrounds has not been established. This study evaluated the reliability and construct validity of the GFI among older Malaysians residing in aged care facilities.

Methods: A cross-sectional study design was employed. Older people (>65 years; n=203) residing in aged care facilities and who met the inclusion criteria participated in an interviewer-administered comprehensive assessment. The Comprehensive Assessment Form incorporated the GFI, the Older People's Quality of Life questionnaire (OPQOL-35), the Hospital Anxiety and Depression Scale (HADS), and the Katz Index of Independence in Activities of Daily Living tool (Katz ADL).

Results: The GFI was a reliable instrument to assess frailty (Cronbach's alpha=0.807) and produced statistically significant scores for subgroups (known group validity). As hypothesized, the total GFI scores significantly differed between subgroups: higher GFI scores were obtained among female participants (23.0%); participants between 75 and 84 years (25.5%); single participants (42.4%); and those who were married, with (18.8%) and without children(41.3%). A strong negative correlation between total GFI scores and the Katz scores (rs(203)=-0.614, p=0.001), and total GFI scores and the total OPQOL scores (rs(203)=-0.431, p=0.001) were observed. A positive correlation was observed between total GFI scores and the HADS score (rs (203)=0.281, p=0.001). These confirm the construct validity of the GFI. The participants were largely females (62.1%), and had a mean age of 76.9 ± 7.8 years. Their average GFI score was 6.53 ± 3.75.

Conclusion: This study supports the reliability and validity of the GFI and offers an insight into the characteristics of Malaysian elderly people residing in aged care facilities.

Item ID: 45268
Item Type: Conference Item (Abstract / Summary)
Keywords: frailty; elderly; aged care
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Date Deposited: 23 Aug 2016 23:56
FoR Codes: 11 MEDICAL AND HEALTH SCIENCES > 1117 Public Health and Health Services > 111702 Aged Health Care @ 100%
SEO Codes: 92 HEALTH > 9205 Specific Population Health (excl. Indigenous Health) > 920599 Specific Population Health (excl. Indigenous Health) not elsewhere classified @ 100%
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