Table 2.
Distribution of demand-control scores and cognitive test scores in the sample
| Cognitive Test | Mean | SD | Min | 25% | Median | 75% | Max |
|---|---|---|---|---|---|---|---|
| Job content questionnaire dimensions | |||||||
| Demands | 22.93 | 3.66 | 9 | 21 | 23 | 25 | 36 |
| Control | 72.28 | 9.68 | 24 | 66 | 72 | 78 | 96 |
| Cognitive tests | |||||||
| General cognitive status (MMSE) | 28.36 | 1.37 | 21 | 28 | 29 | 29 | 30 |
| Psychomotor speed (DSST) | 48.73 | 9.67 | 0 | 42 | 48 | 55 | 88 |
| Verbal memory (short-term recall) (FCSRT Immediate) | 45.59 | 3.34 | 11 | 45 | 47 | 48 | 48 |
| Verbal memory (delayed recall) (FCSRT Delayed) | 15.53 | 0.99 | 2 | 15 | 16 | 16 | 16 |
| Phonemic fluency | 14.29 | 4.23 | 2 | 11 | 14 | 17 | 30 |
| Semantic fluency | 22.79 | 5.33 | 0 | 19 | 23 | 26 | 42 |
| Visual-motor speed (TMT-A) | 0.67 | 0.23 | 0.08 | 0.53 | 0.67 | 0.83 | 2.18 |
| Executive function (TMT-B) | 0.33 | 0.14 | 0.00 | 0.25 | 0.34 | 0.43 | 1.00 |