Table 3.
Variable | Result (N = 50) |
---|---|
Mean age (y) | 39.7 ± 8.3 |
Gender | |
Female | 22 (44.0%) |
Male | 28 (56.0%) |
Weight (kg) | 75.0 ± 12.3 |
Height (m) | 1.7 ± 0.09 |
Mean body mass index (kg/m2) | 25.3 ± 3.0 |
Race | |
Asian | 1 (2%) |
White | 49 (98%) |
Significant systemic/concurrent disease | 10 (20%) |
Prior lumbar procedures | 1 (2%) |
Smoking history | |
None or none in past 10 y | 27 (54%) |
In past 10 y but none currently | 7 (14%) |
Currently <1 pack/day | 12 (24%) |
Currently >1 pack/day | 4 (8%) |
Work status | |
Not working | 22 (44%) |
Working full time | 21 (42%) |
Working part time | 4 (8%) |
Not applicable* | 3 (6%) |
Currently receiving disability benefits | |
No | 30 (60%) |
Yes, back only | 20 (40%) |
Yes, other than back | 0 (0.0%) |
Yes, back and other reasons | 0 (0.0%) |
Workers’ compensation in past year† | |
Yes | 6 (12%) |
No | 44 (88%) |
Duration of back pain history | |
Mean (mo) | 85.8 ± 61.0 |
Median (mo) | 60 |
Housewife, retired, student, disabled, or wealthy.
Workers’ compensation status was determined in response to the question “Received in past year working compensation for back problems?”