Table 2 Dimension, score, class and domain of WAI of older workers
From: Work ability of Thai older Workers in Southern Thailand: a comparison of formal and informal sectors
| Items | Formal (n = 71) | Informal (n = 253) | p |
|---|---|---|---|
| Dimension of work ability: mean (SD) | |||
| 1) Current work ability compared with the lifetime best | 7.9 (1.4) | 7.5 (1.6) | 0.016a |
| 2) Work ability in relation to the demands of the job | 8.7 (1.4) | 7.8 (1.6) | < 0.001a |
| 3) Numbers of current diseases diagnosed by a physician | 5.7 (1.7) | 5.3 (1.7) | 0.028a |
| 4) Estimated work impairment due to diseases | 4.5 (1.4) | 4.1 (1.8) | 0.022a |
| 5) Sick leave during the past year (12 months) | 4.6 (0.6) | 4.5 (0.8) | 0.019a |
| 6) Personal prognosis of work ability 2 years from now | 5.6 (1.6) | 5.1 (1.6) | 0.004a |
| 7) Mental resources | 3.4 (0.6) | 3.3 (0.7) | 0.023a |
| Total work ability index score: mean (SD) | 40.6 (4.6) | 37.5 (5.0) | < 0.001a |
| Class of work ability: n (%) | |||
| Good - Excellent | 58 (81.7) | 158 (62.5) | 0.002b |
| Poor - Moderate | 13 (18.3) | 95 (37.5) | |
| Three domains according to the purpose of WAI: n (%) | |||
| Perception of work ability | < 0.001b | ||
| Weak | 25 (35.2) | 145 (57.3) | |
| Strong | 46 (64.8) | 108 (42.7) | |
| Health status | < 0.001b | ||
| Bad | 31 (43.7) | 166 (65.6) | |
| good | 40 (56.3) | 87 (34.4) | |
| Mental resources | 0.228b | ||
| Weak | 35 (49.3) | 158 (62.5) | |
| Strong | 36 (50.7) | 195 (37.5) | |