Table 2 Prevalence and adjusted odds ratio (ORadj) with 95% confidence interval (95%CI) of low back pain with respect to factors in the final modelling (n = 397)
From: Development of a risk score for low back pain in office workers - a cross-sectional study
Factors | N | Prevalence n (%) | ORadj | 95% CI | P |
|---|---|---|---|---|---|
Previous history of working as an office worker | Â | Â | Â | Â | Â |
   Yes | 173 | 109 (63.0) | 1.72 | 1.08-2.74 | 0.023 |
   No | 224 | 110 (49.1) | 1.00 |  |  |
Years of work experience (years) | Â | Â | Â | Â | Â |
   < 10 | 122 | 54 (44.3) | 1.00 |  |  |
   10-19 | 146 | 96 (65.8) | 3.48 | 1.95-6.20 | < 0.001 |
   ≥20 | 129 | 69 (53.5) | 2.03 | 1.14-3.62 | 0.017 |
Continuous standing >2 hrs/d | Â | Â | Â | Â | Â |
   Yes | 86 | 55 (64.0) | 1.86 | 1.03-3.33 | 0.039 |
   No | 311 | 164 (52.7) | 1.00 |  |  |
Frequently bending forward during the work day | Â | Â | Â | Â | Â |
   Yes | 228 | 137 (60.1) | 1.78 | 1.12-2.83 | 0.014 |
   No | 169 | 82 (48.5) | 1.00 |  |  |
Chair having lumbar support | Â | Â | Â | Â | Â |
   Yes | 177 | 88 (49.7) | 1.00 |  |  |
   No | 220 | 131 (59.5) | 1.65 | 1.04-2.63 | 0.035 |
Backache Index outcome | Â | Â | Â | Â | Â |
   0 | 197 | 79 (40.1) | 1.00 |  |  |
   ≥1 | 200 | 140 (70.0) | 4.02 | 2.52-6.42 | < 0.001 |
Effort-Reward ratio | Â | Â | Â | Â | Â |
   ≤ 1 | 382 | 206 (53.9) | 1.00 |  |  |
   >1 | 15 | 13 (86.7) | 6.41 | 1.25-32.87 | 0.026 |