Table 4.
Multivariable analysis of selected risk factors for activity-limiting foot/ankle MSDs among hospital-based nurses in Brisbane, Australia (n = 240)
| Risk factor | n | % | OR | CI (95%) | Sig. |
|---|---|---|---|---|---|
|
Nurse characteristics |
|
|
|
|
|
|
Age (years) |
|
|
|
|
|
| <30 |
66 |
27.5 |
Referent |
|
0.79 |
| 30-39 |
90 |
37.5 |
0.71 |
(0.25, 2.04) |
0.53 |
| 40-49 |
62 |
25.8 |
0.52 |
(0.14, 1.86) |
0.31 |
| 50+ |
22 |
9.2 |
0.76 |
(0.18, 3.27) |
0.71 |
|
BMI
1
(kg/m
2
) |
|
|
|
|
|
| Underweight/normal |
128 |
53.3 |
Referent |
|
0.01* |
| Overweight |
70 |
29.2 |
1.46 |
(0.52, 4.09) |
0.47 |
| Obese/morbidly obese |
42 |
17.5 |
4.74 |
(1.70, 13.23) |
<0.001* |
|
SF-36 PCS
2
|
|
|
|
|
|
| Quartile 4 (>55.96) |
63 |
26.3 |
Referent |
|
0.02* |
| Quartile 3 (51.96-55.95) |
60 |
25.0 |
1.21 |
(0.28, 5.2) |
0.80 |
| Quartile 2 (48–51.95) |
60 |
25.0 |
2.76 |
(0.76, 9.98) |
0.12 |
| Quartile 1 (0–47.99) |
57 |
23.8 |
6.05 |
(1.64, 22.38) |
0.01* |
| Foot condition - Total |
|
|
|
|
|
| None |
82 |
34.2 |
Referent |
|
0.01* |
| One |
87 |
36.3 |
2.36 |
(0.72, 7.77) |
0.16 |
| Two or more |
71 |
29.6 |
5.59 |
(1.75, 17.81) |
<0.001* |
|
Work characteristics |
|
|
|
|
|
|
Location |
|
|
|
|
|
| Ward/Pool3/TASU4/Other5 |
112 |
46.7 |
Referent |
|
0.08 |
| Emergency |
31 |
12.9 |
0.76 |
(0.19, 3.12) |
0.70 |
| Intensive care |
35 |
14.6 |
3.87 |
(1.23, 12.12) |
0.02* |
| Theatre/Outpatients/Gastro6/DPC7 |
62 |
25.8 |
2.05 |
(0.71, 5.95) |
0.18 |
|
Average hours worked per week |
|
|
|
|
|
| <36 |
111 |
46.3 |
Referent |
|
|
| > = 36 | 129 | 53.8 | 2.28 | (0.91, 5.71) | 0.08 |
1Body mass index categories (WHO guidelines: underweight/normal (<24.99), overweight (25–29.99), obese (>30.00).
2SF36 (Acute Version) Physical Component Summary Scale.
3Nursing Pool – Nurses allocated to different work areas each shift to cover workload demands.
4Theatre Admission Supply Unit.
5Other – includes administration, Central Sterilising.
6Gastroenterology outpatients.
7Day procedures centre.
*statistically significant.