Factor saturation estimated by confirmatory factor analysis of the Croatian version of the Work Ability Index Questionnaire in Croatian nurses (n=711)_
| Factor | Indicator | b | se | p | β |
|---|---|---|---|---|---|
| Factor-1 | Item-1 | 1.000 | 0.000 | 0.785 | |
| Item-2 | 0.986 | 0.064 | <0.001 | 0.811 | |
| Factor-2 | Item-3 | 1.000 | 0.000 | 0.551 | |
| Item-4 | 0.683 | 0.058 | <0.001 | 0.754 | |
| Item-5 | 0.510 | 0.063 | <0.001 | 0.393 | |
| Item-6 | 0.699 | 0.066 | <0.001 | 0.570 | |
| Factor-3 | Item-7 | 1.000 | 0.000 | 1.000 |
Arithmetic mean and standard deviation of the three factors of the Croatian version of the Work Ability Index Questionnaire in Croatian nurses (n=711)_
| Typical value | Factor-1 | Factor-2 | Factor-3 |
|---|---|---|---|
| Arithmetic mean | 16.76 | 20.40 | 3.31 |
| Standard deviation | 2.81 | 4.05 | 0.77 |
Intercorrelations between the scores of seven items of the Croatian version of the Work Ability Index Questionnaire in Croatian nurses (n=711)_
| Item-1 | Item-2 | Item-3 | Item-4 | Item-5 | Item-6 | Item-7 | |
|---|---|---|---|---|---|---|---|
| Item-1 | 1.000 | ||||||
| Item-2 | 0.636 | 1.000 | |||||
| Item-3 | 0.279 | 0.208 | 1.000 | ||||
| Item-4 | 0.416 | 0.408 | 0.444 | 1.000 | |||
| Item-5 | 0.183 | 0.160 | 0.271 | 0.298 | 1.000 | ||
| Item-6 | 0.383 | 0.341 | 0.309 | 0.393 | 0.218 | 1.000 | |
| Item-7 | 0.257 | 0.374 | 0.127 | 0.272 | 0.126 | 0.276 | 1.000 |
Correlations of factors identified by exploratory factor analysis of the Croatian version of the Work Ability Index Questionnaire in Croatian nurses (n=711)_
| Factor-1 | Factor-2 | Factor-3 | |
|---|---|---|---|
| Factor-1 | 1.000 | ||
| Factor-2 | 0.669 | 1.000 | |
| Factor-3 | 0.400 | 0.358 | 1.000 |
Factor saturation estimated by exploratory factor analysis of the Croatian version of the Work Ability Index Questionnaire in Croatian nurses (n=711)_
| Indicator | Factor-1 | Factor-2 | Factor-3 |
|---|---|---|---|
| Item-1 | 0.784 | ||
| Item-2 | 0.803 | ||
| Item-3 | 0.693 | ||
| Item-4 | 0.614 | ||
| Item-5 | 0.446 | ||
| Item-6 | 0.380 | ||
| Item-7 | 0.997 |
Work Ability Index Questionnaire items and scoring (15)_
| Item | Number of questions | Scoring (min-max) | |
|---|---|---|---|
| Item-1 | Current work ability compared with the lifetime best | 1 | 0–10 |
| Item-2 | Work ability in relation to the demands of the job | 2 | 2–10 |
| Item-3 | Number of current diseases diagnosed by a physician | 1 | 1–7 |
| Item-4 | Estimated work impairment due to diseases | 1 | 1–6 |
| Item-5 | Sick leave during the past year (12 months) | 1 | 1–5 |
| Item-6 | Own prognosis of work ability 2 years from now | 1 | 1,4,7 |
| Item-7 | Mental resources | 3 | 1–4 |