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Table 3 Logistic regression analysis: summary of results of personal/institutional data and ergonomic variables on WMSDs (N = 388)

From: Work-related musculoskeletal disorders and ergonomic risk factors in special education teachers and teacher’s aides

Factors B SE Wald df Significance ORa 95 % CIb for Exp (B)
        Lower Upper
Years of experience-over 66 months 1.409 .565 6.205 1 .013* 4.090 1.350 12.390
Nap habit-yes −8.163E-01 .334 5.959 1 .015* .442 .230 .851
Diagnosis of students-multiple disorders .881 .400 4.836 1 .028* 2.412 1.100 5.287
Teaching partners in the same class-yes −7.206E-01 .339 4.521 1 .033* .486 .250 .945
Diaper changing-no -.014 .005 6.985 1 .008** .986 .976 .996
Assist feeding-no -.014 .005 6.854 1 .009** .986 .976 .997
Assist toileting-no -.013 .005 6.499 1 .011** .987 .976 .997
Assist grooming-no -.013 .005 6.514 1 .011** .987 .976 .997
Assist transferring-no -.013 .005 6.508 1 .011** .987 .976 .997
Assist rehabilitation-no -.013 .005 6.426 1 .011** .987 .977 .997
Assist getting in/out vehicle-no -.012 .005 5.558 1 .018** .988 .978 .998
  1. The OR was adjusted for age and sex
  2. *p < 0.05, **p < 0.01
  3. a OR odds ratio
  4. b CI confidence interval