Table 1.
Participant demographic and sociological characteristics
| Variable | Total |
Work functioning impairment scale |
||||||
|---|---|---|---|---|---|---|---|---|
| Low (7–13) |
Middle (14–20) |
High (21–35) |
||||||
|
n = 428 |
n = 343 |
n = 72 |
n = 13 |
|||||
| n | % | n | % | n | % | n | % | |
| Age, years, median (interquartile range; IQR) | 67 (60–72) | 67 (60–72) | 66 (61–71) | 59 (57–67) | ||||
| 20–59 | 107 | 25.0 | 85 | 24.8 | 15 | 20.8 | 7 | 53.8 |
| 60–66 | 96 | 22.4 | 72 | 21.0 | 23 | 30.6 | 2 | 15.4 |
| 67–71 | 104 | 24.3 | 83 | 24.2 | 19 | 26.4 | 2 | 15.4 |
| 72–79 | 121 | 28.3 | 103 | 30.0 | 16 | 22.2 | 2 | 15.4 |
| Sex, men | 399 | 93.2 | 320 | 93.3 | 69 | 94.4 | 11 | 84.6 |
| Hours of driving taxi per week, median (IQR) | 30 (20–40) | 30 (20–42) | 30 (20–36) | 25 (22–48) | ||||
| Experience of taxi driver, years, median (IQR) | 9 (4–17) | 9 (4–17) | 9 (3–18) | 12 (5–18) | ||||
| Score of Work functioning impairment scale at baseline, median (IQR) | 9 (7–12) | 8 (7–10) | 15 (14–17) | 22 (21–25) | ||||