Psychometric Properties of the Taiwanese Version of the Tilburg Frailty Indicator for Community-Dwelling Older Adults
Abstract
:1. Introduction
2. Materials and Methods
2.1. Study Design and Sample
2.2. TFI
2.3. Translation and Cultural Adaptation of the TFI for Taiwan
2.4. Other Instruments
2.5. Analysis
2.6. Ethical Considerations
3. Results
3.1. Participant Characteristics
3.2. Reliability and Validity
3.2.1. Internal Consistency Reliability
3.2.2. Test–Retest Reliability
3.2.3. Content Validity
3.2.4. Criterion-Related Validity
3.2.5. Construct Validity
4. Discussion
4.1. General Discussion
4.2. Limitations
5. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
References
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Variable | n(%) |
Age (years) | |
60–69 | 61 (29.0%) |
70–79 | 68 (32.4%) |
80–94 | 81 (38.6%) |
Gender (female) | 159 (75.7%) |
Marital status | |
Married or remarried 100 | (48%) |
Widowed | 97 (46%) |
Divorced and unmarried | |
≤6 | 53 (25%) |
7–9 | 54 (26%) |
≥10 | 103 (49%) |
Monthly income | (Taiwan Dollars) |
No income 29 | (14%) |
<10,000 | 100 (47%) |
10,001–50,000 | 81 (39%) |
Variable | Mean ± SD |
SOF total index (0–3) | 0.97 ± 1.05 |
KCL total score (0–25) | 7.27 ± 4.49 |
KCL sub-domain: | |
ADL | 1.10 ± 1.49 |
physical strength | 1.87 ± 1.48 |
Nutrition | 0.25 ± 0.48 |
oral function | 1.24 ± 0.92 |
Isolation | 0.34 ± 0.55 |
Memory | 1.23 ± 0.88 |
Mood | 1.25 ± 1.36 |
TFI-T total score (0–15) | 5.69 ± 3.22 |
TFI-T sub-domain: | |
Physical domain score (0–8) | 3.19 ± 2.18 |
Psychological domain score (0–4) | 1.18 ± 1.19 |
Social domain score (0–3) | 1.32 ± 0.64 |
Variable | 1 | 2 | 3 |
---|---|---|---|
1. SOF | 1 | - | - |
2. KCL | 0.13 | 1 | - |
3. TFI-T | 0.11 | 0.74 *** | 1 |
Criterion | Cutoff | Sensitivity (True Positive Rate) (%) | Specificity (True Negative Rate) (%) | DI | Youden’s Index |
---|---|---|---|---|---|
KCL | TFI-T ≥ 4.5 | 86.4 | 73 | 1.59 | 0.59 |
TFI-T ≥ 5.5 | 76.4 | 83 | 1.59 | 0.59 | |
TFI-T ≥ 6.5 | 65.0 | 91 | 1.56 | 0.56 | |
TFI-T ≥ 7.5 | 53.6 | 94 | 1.47 | 0.49 |
Three-Factor Model | X2/df | GFI | CFI | AGFI | RMR | NFI | RMSEA | NFI |
---|---|---|---|---|---|---|---|---|
Scale | 174.3/87 | 0.98 | 0.91 | 0.83 | 0.04 | 0.84 | 0.0054 | 0.89 |
Domains of TFI-T | Domains of KCL | r | p-Value |
---|---|---|---|
Physical domain (Q1–Q8) | ADL (Q1–Q5) | 0.43 | <0.01 |
physical strength (Q6–Q10) | 0.61 | <0.01 | |
Nutrition (Q11–Q12) | 0.14 | <0.05 | |
oral function (Q13–Q15) | 0.37 | <0.01 | |
Psychological domain (Q9–Q11) | Memory (Q18–Q20) | 0.39 | <0.01 |
Mood (Q21–Q25) | 0.45 | <0.01 | |
Social domain (Q12–Q15) | Isolation (Q16–Q17) | 0.30 | <0.01 |
Variable | TFI-T | t | p-Value | |
---|---|---|---|---|
<5.5 robust group (n = 109) (mean ± SD) | ≥5.5 frail group (n = 101) (mean ± SD) | |||
SOF scale | 0.85 ± 1.15 | 1.09 ± 0.91 | −1.63 | 0.10 |
KCL score | 4.59 ± 2.86 | 10.17 ± 4.12 | −11.29 | <0.001 |
TFI-T Physical domain | 1.49 ± 1.05 | 5.02 ± 1.49 | −19.60 | <0.001 |
Psychological domain | 0.44 ± 1.97 | 1.97 ± 1.12 | −11.77 | <0.001 |
Social domain | 1.14 ± 0.56 | 1.52 ± 0.65 | −4.54 | <0.001 |
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Lin, C.-H.; Liu, C.-Y.; Rong, J.-R. Psychometric Properties of the Taiwanese Version of the Tilburg Frailty Indicator for Community-Dwelling Older Adults. Healthcare 2021, 9, 1193. https://doi.org/10.3390/healthcare9091193
Lin C-H, Liu C-Y, Rong J-R. Psychometric Properties of the Taiwanese Version of the Tilburg Frailty Indicator for Community-Dwelling Older Adults. Healthcare. 2021; 9(9):1193. https://doi.org/10.3390/healthcare9091193
Chicago/Turabian StyleLin, Chia-Hui, Chieh-Yu Liu, and Jiin-Ru Rong. 2021. "Psychometric Properties of the Taiwanese Version of the Tilburg Frailty Indicator for Community-Dwelling Older Adults" Healthcare 9, no. 9: 1193. https://doi.org/10.3390/healthcare9091193