Table 3.
Prevalence of low back pain in Iranian nurses according to demographic variables
| Variables | Prevalence (%) |
Confidence Interval (%) | P-value | |
|---|---|---|---|---|
| lower | upper | |||
| Age | ||||
| < 45 year | 54.5 | 44.1 | 65 | 0.0001 |
| > 45 year | 66 | 63.7 | 68.3 | 0.0001 |
| Gender | ||||
| Female | 60.4 | 52.2 | 68.6 | 0.0001 |
| Male | 58.7 | 35.8 | 81.7 | 0.0001 |
| Marital status | ||||
| Single | 71.3 | 67.7 | 75 | 0.0001 |
| Married | 74.2 | 69 | 79.4 | 0.0001 |
| Work experience | ||||
| 1–10 | 53 | 28.8 | 77.2 | 0.0001 |
| 11–20 | 58.3 | 23.6 | 93 | 0.001 |
| 21–30 | 60 | 15 | 104.9 | 0.009 |
| BMI | ||||
| < 20 | 48.2 | 35.3 | 61.1 | 0.0001 |
| 20–25 | 56.4 | 37 | 75.8 | 0.0001 |
| 25–30 | 65.2 | 50 | 80.4 | 0.0001 |
| > 30 | 72.7 | 43.7 | 101.7 | 0.0001 |
| Nursing job | ||||
| Wards nurses | 59.5 | 53.3 | 65.7 | 0.0001 |
| Operating room technicians | 50.3 | 39 | 61.6 | 0.0001 |
| Aids | 39.4 | 19.9 | 58.9 | 0.0001 |
| Smoking status | ||||
| Yes | 61.1 | 39.6 | 82.7 | 0.0001 |
| No | 73.6 | 68.8 | 78.5 | 0.0001 |