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. 2015 Jul 31;10(7):e0134367. doi: 10.1371/journal.pone.0134367

Table 6. Multivariable analysis of logistic regression.

β^ P OR 95%CI
Gender
female vs male -1.292 0.018* 0.275 0.094–0.800
Age
25~35yr vs ≤25yr -0.015 0.975 0.985 0.394–2.467
35~45yr vs ≤25yr -0.463 0.334 0.629 0.246–1.610
45~55yr vs ≤25yr -0.689 0.169 0.503 0.189–1.340
≥55yr vs ≤25yr -1.778 0.037* 0.169 0.032–0.900
Type
light physical labor vs heavy physical labor -0.685 0.002** 0.504 0.328–0.774
mental labor vs heavy physical labor -0.606 0.067 0.545 0.285–1.043
Work place
underground auxiliary vs underground front-line -0.520 0.019* 0.595 0.385–0.919
ground vs underground front-line -0.478 0.105 0.620 0.348–1.105
office vs underground front-line -0.952 0.054 0.386 0.147–1.015
Length of shiftwork experience
0~5yr vs no shift 0.730 0.003** 2.075 1.287–3.344
5~15yr vs no shift 0.455 0.102 1.576 0.914–2.716
≥15yr vs no shift 0.730 0.006** 2.076 1.230–3.504
EPQ-RSC (E)
middle vs introversion -0.382 0.086 0.683 0.442–1.055
extraversion vs introversion -0.619 0.011* 0.538 0.334–0.867

** P ≤0.01,

* 0.01<P ≤0.05;

OR = odds Ratio.