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Occup Environ Med 58:728-734 doi:10.1136/oem.58.11.728
  • Paper

Work correlates of back problems and activity restriction due to musculoskeletal disorders in the Canadian national population health survey (NPHS) 1994–5 data

Table 6

Association of work factors with musculoskeletal disorders, by sex6-150 (estimated adjusted odds ratios (OR) (95% CIs))

Work factors Men Women
Back problems6-151 (n=4220)
OR (95% CI)
Musculoskeletal activity restriction6-153(n=3772) OR (95% CI) Back problems6-152(n=4040)
OR (95% CI)
Musculoskeletal activity restriction6-154 (n=3691) OR (95% CI)
Decision latitude (control):
 Low 0.87  (0.69  to  1.11) 0.81  (0.56  to  1.17) 1.00  (0.77  to  1.29) 1.03  (0.73  to  1.44)
 High6-160 1.00 (—) 1.00 (—) 1.00 (—) 1.00 (—)
Psychological demands (demand):
 High 1.21 (0.96 to  1.53) 1.19 (0.85 to  1.67) 1.63 (1.26 to  2.10) 1.81 (1.28 to  2.58)
 Low6-160 1.00 (—) 1.00 (—) 1.00 (—) 1.00 (—)
Work social support:
 Low 1.21 (0.96 to  1.51) 1.35 (0.96 to  1.89) 1.08 (0.85 to  1.38) 1.60 (1.12 to  2.30)
 High6-160 1.00 (—) 1.00 (—) 1.00 (—) 1.00 (—)
Job insecurity:
 High 1.07 (0.79 to  1.44) 1.50 (1.03 to  2.19) 1.25 (0.94 to  1.67) 1.58 (1.08 to  2.30)
 Low6-160 1.00 (—) 1.00 (—) 1.00 (—) 1.00 (—)
Physical exertion:
 High 1.37 (1.10 to  1.72) 1.28 (0.87 to  1.87) 1.34 (1.03 to  1.76) 1.26 (0.87 to  1.81)
 Low6-160 1.00 (—) 1.00 (—) 1.00 (—) 1.00 (—)
  • 6-150 Listwise deletion was used. Variances were estimated with methods that take into account the complexity of the sampling design.

  • 6-151 Controlled for age, education, marital status, and the significant variables in the column.

  • 6-153 Controlled for age, income, smoking, and the significant variables in the column.

  • 6-152 Controlled for age, smoking, and the significant variables in the column.

  • 6-154 Controlled for age and the significant variables in the column.

  • 6-160 Indicates reference category. 95% CI do not apply, hence (—).

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