Table 2.
Occupational information of patients with CLBP
| Variable | ND | DD | BD | HD |
|---|---|---|---|---|
| Work types, n (%) | ||||
| Manual worker | 14 (37.8%) | 19 (22.4%) | 33 (26.8%) | 14 (36.8%) |
| Desk worker | 7 (18.9%) | 14 (16.5%) | 17 (13.8%) | 5 (13.2%) |
| Technician | 4 (10.8%) | 20 (23.5%) | 35 (28.4%) | 8 (21.1%) |
| Commercial personnel | 3 (8.1%) | 7 (8.2%) | 11 (8.9%) | 3 (7.9%) |
| Driver | 3 (8.1%) | 9 (10.6%) | 11 (8.9%) | 4 (10.5%) |
| Farmer | 0 (0%) | 2 (2.4%) | 3 (2.4%) | 1 (2.6%) |
| Freelancer | 2 (5.4%) | 6 (7.1%) | 4 (3.2%) | 0 (0%) |
| Housekeeping | 2 (5.4%) | 4 (4.7%) | 5 (4.1%) | 2 (5.3%) |
| Student | 1 (2.7%) | 2 (2.4%) | 2 (1.6%) | 0 (0%) |
| Other | 1 (2.7%) | 2 (2.4%) | 2 (1.6%) | 1 (2.6%) |
| Working hours (hours/week) | 59.7±14.1 | 56.4±17.0 | 61.1±19.4 | 63.2±18.3 |
| Manual handling of heavy objects, n (%) | ||||
| No manual handling | 23 (62.2%)* | 66 (77.6%)* | 90 (73.2%)* | 24(63.2%)* |
| <20 kg objects | 9 (24.3%) | 13 (15.3%) | 19 (15.4%) | 6 (15.8%) |
| ≥20 kg objects | 5 (13.5%) | 6 (7.1%) | 14 (11.4%) | 8 (21.0%) |
| Desk work hours (hours/day) | 4.8±1.3# | 6.6±2.5 | 5.7±1.9# | 5.1±1.7# |
Notes: Data presented as mean ± SD or n (%) and P<0.05 was considered statistically significant.
*
P<0.05 vs manual handling of <20 kg objects or manual handling of ≥20 kg objects in each group;
#
P<0.05 vs DD group.
Abbreviations: BD, bulging discs; CLBP, chronic low back pain; DD, degenerative discs; HD, herniated discs; ND, normal discs.