Table 2.
Univariate analysis of the occurrence of OLBP in medical workers
| Factor | OLBP Group (n = 67) | N-OLBP Group (n = 31) | χ2/t | P |
|---|---|---|---|---|
| Gender | 3.016 | 0.082 | ||
| Male | 38 (64.41) | 21 (35.59) | ||
| Female | 29 (74.36) | 10 (25.64) | ||
| Age (years old) | 31.56±5.16 | 32.17±5.73 | 0.460 | 0.646 |
| BMI (kg/m2) | 24.83±0.97 | 24.16±0.63 | 2.969 | 0.004 |
| Years of employment | 10.478 | 0.001 | ||
| >5 | 57 (77.03) | 17 (22.97) | ||
| ≤5 | 10 (41.46) | 14 (58.33) | ||
| Job role | 10.590 | 0.005 | ||
| Medical | 15 (48.39) | 16 (51.61) | ||
| Medical technology | 10 (62.50) | 6 (37.50) | ||
| Nursing | 42 (82.35) | 9 (17.65) | ||
| Education background | 1.040 | 0.308 | ||
| Bachelor’s degree or higher level | 50 (65.79) | 26 (34.21) | ||
| Associate degree | 17 (77.27) | 5 (22.73) | ||
| Profession title | 2.181 | 0.140 | ||
| Intermediate or senior | 45 (73.77) | 16 (26.23) | ||
| Junior | 22 (59.46) | 15 (40.54) | ||
| Marital status | 0.456 | 0.500 | ||
| Married | 33 (71.74) | 13 (28.26) | ||
| Unmarried | 34 (65.38) | 18 (34.62) | ||
| Fertility status | 2.330 | 0.127 | ||
| Already had children | 28 (77.78) | 8 (22.22) | ||
| Haven’t had children | 39 (62.90) | 23 (37.10) | ||
| Frequency of night shift (times/month) | 3.944 | 0.047 | ||
| >4 | 24 (82.76) | 5 (17.24) | ||
| ≤4 | 43 (62.32) | 26 (37.68) | ||
| Weight lifted daily >10 kg | 1.064 | 0.302 | ||
| Yes | 41 (71.93) | 16 (28.07) | ||
| No | 26 (63.41) | 15 (36.59) | ||
| Daily standing hours at work >5 h | 4.700 | 0.030 | ||
| Yes | 53 (74.65) | 18 (25.35) | ||
| No | 14 (51.85) | 13 (48.15) | ||
| Daily frequency of bending >10 | 0.637 | 0.425 | ||
| Yes | 60 (69.77) | 26 (30.23) | ||
| No | 7 (58.33) | 5 (41.67) | ||
| Working pressure | 0.764 | 0.382 | ||
| Very stressful | 45 (71.43) | 18 (28.57) | ||
| Moderately stressful or less stressful | 22 (62.86) | 13 (37.14) | ||
| Training in lower back protection | 4.614 | 0.032 | ||
| No | 35 (79.55) | 9 (20.45) | ||
| Yes | 32 (59.26) | 22 (40.74) | ||
| Frequency of waist exercises (times/month) | 1.360 | 0.243 | ||
| ≤4 | 18 (78.26) | 5 (21.74) | ||
| >4 | 49 (65.33) | 26 (34.67) |