Tilburg Frailty Indicator
Also known as: TFI, Tilburg Frailty Index, Integral Frailty Self-Report, Multidimensional Frailty Questionnaire
The Tilburg Frailty Indicator (TFI) is a self-report questionnaire that measures frailty in older adults across three domains — physical, psychological, and social. Developed by Robbert Gobbens and colleagues at Tilburg University and published in 2010, it operationalizes an explicit 'integral conceptual model of frailty' in which frailty is a dynamic state arising from losses in one or more functioning domains, itself driven by life-course determinants such as age, sex, multimorbidity, and life events. Part A of the instrument records these determinants; Part B comprises 15 items that sum to a 0–15 frailty score, with a cut point of 5 commonly used to flag frailty. Unlike purely physical phenotypes, the TFI deliberately incorporates psychological (mood, anxiety, coping, cognition) and social (living alone, social relationships, support) components, reflecting the social-gerontological view that frailty is more than a biomedical syndrome.
Key highlights
- Multidimensional by design — explicitly measures social and psychological frailty alongside physical decline, matching the social-gerontological conception of vulnerability.
- Low burden and self-administered, suitable for postal or telephone surveys and primary care without specialist equipment or trained assessors.
- Grounded in an explicit integral conceptual model that separates determinants, frailty state, and adverse outcomes, giving the score clear theoretical meaning.
- Yields both a total 0–15 score and interpretable physical, psychological, and social subscores, supporting profile-based targeting.
Intuition
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How it works
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When to use it
Use the TFI when you want a brief, low-burden, self-report screen for frailty in community-dwelling older adults that captures social and psychological vulnerability in addition to physical decline. It is well suited to population surveys, primary-care screening, and social-gerontological research where performance testing (grip dynamometry, gait timing) is impractical and where the social context of aging matters. It is particularly appropriate when you want domain subscores — to distinguish, say, a physically robust but socially isolated older person from a physically frail but well-supported one. The TFI is less appropriate as a stand-alone diagnostic, in populations with cognitive impairment that precludes reliable self-report (where an informant or performance-based measure is preferable), or when a purely biomedical phenotype is required; in those cases pair it with comprehensive geriatric assessment.
Strengths & limitations
- Multidimensional by design — explicitly measures social and psychological frailty alongside physical decline, matching the social-gerontological conception of vulnerability.
- Low burden and self-administered, suitable for postal or telephone surveys and primary care without specialist equipment or trained assessors.
- Grounded in an explicit integral conceptual model that separates determinants, frailty state, and adverse outcomes, giving the score clear theoretical meaning.
- Yields both a total 0–15 score and interpretable physical, psychological, and social subscores, supporting profile-based targeting.
- Relies on self-report, so it is sensitive to recall, response style, and is unreliable in people with significant cognitive impairment.
- The unweighted summation treats all deficits as equally important, which may not reflect their differing prognostic weight.
- The single cutoff of 5 trades sensitivity against specificity and may need recalibration across settings and populations.
- Internal consistency of the social and psychological subscales is sometimes modest, reflecting genuine multidimensionality rather than a single latent trait.
Common pitfalls
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Applications
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Frequently asked
How is the TFI different from the Fried frailty phenotype?
The Fried phenotype defines frailty through five physical criteria (weight loss, exhaustion, weakness, slowness, low activity) measured largely by performance. The TFI is a self-report questionnaire that, in addition to physical items, explicitly measures psychological and social vulnerability and is grounded in an integral conceptual model. As a result the two identify overlapping but not identical groups: someone socially isolated and depressed but physically robust may be flagged frail by the TFI but not by Fried. The TFI is lower burden and questionnaire-based, whereas Fried requires measurement of grip and gait.
What cutoff defines frailty on the TFI?
The total Part B score ranges from 0 to 15, and a score of 5 or higher is the conventional threshold for classifying an older person as frail, established during the original validation to balance sensitivity and specificity. The continuous score is retained for research and for tracking change. The cutoff should be treated as a screening heuristic, not a diagnosis, and may warrant recalibration in populations that differ from the original Dutch community-dwelling sample.
Can the TFI be completed without a clinician?
Yes. A central design goal was low burden and self-administration: the 15 Part B items are plain self-report questions that older adults can answer on paper, online, or by telephone, and scoring is a simple unweighted sum. This makes it attractive for large surveys and primary-care screening. The main caveat is cognitive impairment, which undermines reliable self-report; in those cases an informant-based or performance-based assessment is preferable.
Sources
- 1.Gobbens, R. J. J., van Assen, M. A. L. M., Luijkx, K. G., Wijnen-Sponselee, M. T., & Schols, J. M. G. A. (2010). The Tilburg Frailty Indicator: Psychometric Properties. Journal of the American Medical Directors Association, 11(5), 344-355.
- 2.Gobbens, R. J. J., Luijkx, K. G., Wijnen-Sponselee, M. T., & Schols, J. M. G. A. (2010). Towards an integral conceptual model of frailty. The Journal of Nutrition, Health & Aging, 14(3), 175-181.
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Cite this page
ScholarGate. (2026, June 23). Tilburg Frailty Indicator. ScholarGate. https://scholargate.app/social-gerontology/tilburg-frailty-indicator