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. 2017 Jan 13;7(1):e012816. doi: 10.1136/bmjopen-2016-012816

Table 4.

Cross relationships between burnout and job strain with (A) insomnia, (B) Epworth sleepiness scale (ESS), (C) HADS-A (anxiety) and (D) HADS-D (depression).


Sub total Burnout
Sub total Burnout
Total N (%) N (%)
A Non-insomniac Insomniac
  Chi2=3.5 (NS)   Chi2=8.5 (p=0.03)
Low strain 240 206 9 4.3 34 7 20.5 Ref.
High strain 303 251 10 3.9 52 27 51.1 3.9 (1.2 – 8.5)*
Active job 277 218 11 5.0 59 19 32.2 1.4 (0.5 – 3.7)
Passive Job 480 407 28 5.7 73 20 27.3 1.3 (0.6 – 3.6)
B ESS≤10 ESS>10
  Chi2=1.5 (NS)   Chi2=4.5 (NS)
Low strain 240 158 6 3.7 82 10 12.1 Ref.
High strain 303 207 14 6.7 96 23 24.0 2.3 (1.0 – 5.1)
Active job 277 181 13 7.1 96 17 17.7 1.5 (0.7 – 3.6)
Passive Job 480 349 20 5.7 131 28 21.2 1.9 (0.9 – 4.2)
C HADS-A≤10 HADS-A>10
  Chi2=2.0 (NS)   Chi2=1.8 (NS)
Low strain 240 215 9 4.2 25 7 28.0
High strain 303 270 23 8.5 33 14 42.2
Active job 277 227 11 4.8 50 19 38.0
Passive Job 480 433 30 6.9 47 18 38.8
D HADS-D≤10 HADS-D>10
  Chi2=1.0 (NS)   Chi2=Low sample
Low strain 240 232 8 9.1 8 0 0.0
High strain 303 286 33 10.8 17 4 23.5
Active job 277 260 25 10.0 17 5 29.0
Passive Job 480 466 46 9.9 14 2 14.3

Values are occurrence or odds ratio with 95% Confidence interval (OR 95% CI). Total is the number of subject for each job strain catégorie. Sub total is the number of subject for (A) no-insomniac and insomniac, (B) ESS ≤10 and ESS ≥10, (C) HAD-A ≤10 or >10, (D) HADS-D ≤10 and >10. *is p<0.05. ESS, Epworth sleepiness scale; HADS, Hospital anxiety (A) and depression (D) scale.