Psychometric Properties of the Work Ability Index in Health Centre Workers in Spain
Abstract
:1. Introduction
2. Materials and Methods
3. Results
3.1. Demographic Data
3.2. Internal Consistency
3.3. Predictive Validity
3.4. Discriminant Validity
3.5. Construct Validity
4. Discussion
5. Conclusions
Supplementary Materials
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Item | 2 | 3 | 4 | 5 | 6 | 7 |
---|---|---|---|---|---|---|
1 | 0.19 | 0.26 | 0.39 | 0.24 | 0.33 | 0.33 |
0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | |
2 | 0.12 | 0.13 | 0.06 | 0.12 | 0.18 | |
0.00 | 0.00 | 0.06 | 0.00 | 0.00 | ||
3 | 0.49 | 0.29 | 0.27 | 0.20 | ||
0.00 | 0.00 | 0.00 | 0.00 | |||
4 | 0.34 | 0.40 | 0.38 | |||
0.00 | 0.00 | 0.00 | ||||
5 | 0.18 | 0.19 | ||||
0.00 | 0.00 | |||||
6 | 0.33 | |||||
0.00 |
Items | Principal Components Analysis * | Principal Components Analysis * | |
---|---|---|---|
Factor | Factor | ||
1 | 1 | 2 | |
1. Current work ability compared with lifetime best | 0.79 | 0.79 | |
2. Current work ability in relation to its demands | 0.81 | 0.81 | |
3. Number of current diseases diagnosed by a physician | 0.57 | 0.57 | 0.60 |
4. Estimated work impairment due to disease | 0.82 | 0.82 | |
5. Sick leave during the past year (12 months) | 0.55 | 0.55 | 0.55 |
6. Own prognosis of work ability two years from now | 0.67 | 0.67 | |
7. Mental resources (feelings of joy, alertness, or optimism) | 0.71 | 0.71 | |
Variance of the component (%) | 50.49 | 50.49 | 13.41 |
All Employees n = 1086 | ≤55 Years Old n = 593 | ≥56 Years Old n = 519 | Female n = 796 | Male n = 324 | University Degree n = 470 | No University Degree n = 350 | |
---|---|---|---|---|---|---|---|
One factor | |||||||
Chi-square | 219.61 | 99.48 | 111.52 | 156.51 | 64.03 | 113.00 | 117.22 |
p | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 |
CFI | 0.92 | 0.91 | 0.93 | 0.92 | 0.92 | 0.93 | 0.90 |
Tucker–Lewis | 0.84 | 0.82 | 0.85 | 0.83 | 0.84 | 0.86 | 0.80 |
RMSEA | 0.11 | 0.10 | 0.12 | 0.11 | 0.11 | 0.10 | 0.12 |
Two-factor | |||||||
A | |||||||
Chi-square | 179.76 | 81.52 | 110.67 | 126.61 | 58.18 | 86.801 | 103.91 |
p | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 |
CFI | 0.93 | 0.93 | 0.93 | 0.93 | 0.93 | 0.95 | 0.91 |
Tucker–Lewis | 0.86 | 0.84 | 0.85 | 0.86 | 0.85 | 0.89 | 0.81 |
RMSEA | 0.10 | 0.09 | 0.12 | 0.11 | 0.10 | 0.09 | 0.12 |
B | |||||||
Chi-square | 219.43 | 99.46 | 110.43 | 154.71 | 63.64 | 112.10 | 116.27 |
p | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 |
CFI | 0.92 | 0.91 | 0.93 | 0.92 | 0.92 | 0.93 | 0.90 |
Tucker–Lewis | 0.82 | 0.80 | 0.84 | 0.82 | 0.83 | 0.85 | 0.78 |
RMSEA | 0.12 | 0.11 | 0.12 | 0.12 | 0.11 | 0.11 | 0.13 |
C | |||||||
Chi-square | 124.50 | 50.29 | 74.19 | 93.32 | 44.36 | 62.30 | 76.54 |
p | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 |
CFI | 0.96 | 0.96 | 0.95 | 0.95 | 0.95 | 0.97 | 0.94 |
Tucker–Lewis | 0.90 | 0.92 | 0.90 | 0.90 | 0.89 | 0.93 | 0.87 |
RMSEA | 0.09 | 0.07 | 0.10 | 0.09 | 0.09 | 0.08 | 0.10 |
D | |||||||
Chi-square | 59.52 | 28.48 | 35.18 | 52.37 | 21.98 | 23.89 | 51.73 |
p | 0.000 | 0.008 | 0.001 | 0.000 | 0.056 | 0.032 | 0.000 |
CFI | 0.98 | 0.98 | 0.98 | 0.98 | 0.97 | 0.99 | 0.96 |
Tucker–Lewis | 0.96 | 0.97 | 0.96 | 0.95 | 0.97 | 0.98 | 0.92 |
RMSEA | 0.06 | 0.05 | 0.06 | 0.06 | 0.05 | 0.04 | 0.08 |
E | |||||||
Chi-square | 90.35 | 46.34 | 45.57 | 59.81 | 40.05 | 45.95 | 57.16 |
p | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 |
CFI | 0.97 | 0.97 | 0.98 | 0.97 | 0.96 | 0.98 | 0.96 |
Tucker–Lewis | 0.93 | 0.92 | 0.95 | 0.94 | 0.91 | 0.95 | 0.91 |
RMSEA | 0.07 | 0.07 | 0.07 | 0.07 | 0.08 | 0.06 | 0.09 |
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Mateo Rodríguez, I.; Knox, E.C.L.; Oliver Hernández, C.; Daponte Codina, A.; the esTAR Group. Psychometric Properties of the Work Ability Index in Health Centre Workers in Spain. Int. J. Environ. Res. Public Health 2021, 18, 12988. https://doi.org/10.3390/ijerph182412988
Mateo Rodríguez I, Knox ECL, Oliver Hernández C, Daponte Codina A, the esTAR Group. Psychometric Properties of the Work Ability Index in Health Centre Workers in Spain. International Journal of Environmental Research and Public Health. 2021; 18(24):12988. https://doi.org/10.3390/ijerph182412988
Chicago/Turabian StyleMateo Rodríguez, Inmaculada, Emily Caitlin Lily Knox, Coral Oliver Hernández, Antonio Daponte Codina, and the esTAR Group. 2021. "Psychometric Properties of the Work Ability Index in Health Centre Workers in Spain" International Journal of Environmental Research and Public Health 18, no. 24: 12988. https://doi.org/10.3390/ijerph182412988
APA StyleMateo Rodríguez, I., Knox, E. C. L., Oliver Hernández, C., Daponte Codina, A., & the esTAR Group. (2021). Psychometric Properties of the Work Ability Index in Health Centre Workers in Spain. International Journal of Environmental Research and Public Health, 18(24), 12988. https://doi.org/10.3390/ijerph182412988