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. 2021 Nov 10;72:102989. doi: 10.1016/j.amsu.2021.102989

Table 4.

Bivariate and multivariate logistic regression analysis of associated factors with WMSDs among health care providers working in operation room at UOGCSH and TGCSH, northwest Amhara, Ethiopia, July 2021 (N = 394).

Variables WRMSD
Bivariate
Multivariate (95%)
Yes (%) No (%) COR (95%) AOR (95%CI) P value
Professions
Anesthetists 50(69.4) 22(30) 0.87(0.44,1.71) 0.93(0.41,2.09) 0.86
Surgeons/residents 133(58.8) 93(41.2) 0.52(0.31,0.88) 1.16(0.46,2.89) 0.74
Nurses 70(72.9) 26(27.1) 1 1 0.87
Sex
Male 198(64.3) 110(35.7) 1 1
Female 55(64) 31(36.0) 0.98(0.59,1.62) 1.704(0.926,3.136) 0.08
Educational status
Diploma 10(4) 3(2.1) 2.674 (0.71, 10.01) 5.27(1.12,24.68) 0.03*
Degree 121(73.3) 44(26.7) 2.17(1.34,3.50) 2.65(1.11,6.28) 0.02*
Postgraduate 20(64.5) 11(35.5) 1.46(0.65,3.25) 1.28(0.44,3.70) 0.63
Residents 26(60.5) 17(39.5) 1.22(0.61,2.44) 1.11(0.52,2.39) 0.77
Specialists 86(55.5) 69(44.5) 1 1 0.16
Previous history of MSD 6.58(1.91,22.70) 0.003**
Yes 33(91.7) 3(8.3) 0.145(0.44,0.48)
No 220(61.5) 138(38.5) 1
Break between procedure
Yes 94(64.8) 51(35.2) 1
No 159(63.9) 90(36.1) 0.76(0.53,1.08) 1.13(0.71,1.80) 0.56
Assistance during procedure 0.04*
Yes 181(62.6) 108(37.4) 1 1
No 72(68.6) 33(31.4) 1.22(0.61,2.44) 1.71(1.028,2.85)
Night shift
Yes
No
134(72.4)
119(56.9)
51(27.6)
90(43.1)
1.95(1.27,2.98)
1
1.72(1.08,2.74)
1
0.02*
Overtime
Yes
No
12(80)
170(65.8)
3(20)
91(34.2)
0.77(0.54,1.12)
1
1.74(1.05,2.86)
1
0.03*
Good OR furnishing
Yes
No
42(16.6%)16(11.3%) 211(83.4%)
125(88.3)
1
0.64(0.34,1.19)
0.74(0.37,1.45) 0.38
Duration of surgical procedure
<3hrs
>3hrs
221(87.4)
132(93.6)
32(12.6)
9(64)
1
2.12(0.98,4.58)
2.35(1.01,5.42) 0.45
Monthly income (ETB)
<5000
5000–10000
>10000
12(4.7%)
128(50.6%)
113(44.9%)
8(5.7%))
57(40.4)
76(53.9%)
1.01(0.39,2.58)
1.51(0.98,2.31)
1
2.40(0.75,7.61)
2.98(0.84,10.55)
0.13
0.90
0.23

OR=Odd ratio, C I=Confidence interval, COR=Crude odd ratio, AOR = Adjusted odd ratio, OR = operation room, ETB = Ethiopian birr * Significantly + associated (p value < 0.05) with WRMSD, **(p value < 0.001),1: reference.