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Table 2 Predictors for duration of sick leave (univariate analysis)

From: Predictive factors of the duration of sick leave due to mental disorders

Variables

Estimated mean days of sick leave

SE

95% CI

χ2

Degree of freedom

p

Lower

Upper

Socio-demographic

 Age at start of sick leave

  20–29

215.9

40.5

136.5

295.3

4.07

3

0.254

  30–39

346.1

35.7

276.0

416.1

  40–49

331.8

41.8

250.0

413.7

 50

218.1

73.6

73.8

362.5

 Sex

  Male

318.6

26.9

265.9

371.3

0.33

1

0.564

  Female

327.9

50.5

228.8

427.0

 Age at start of employment (years)

  < 25

331.8

36.4

260.5

403.0

1.16

2

0.561

  25–29

339.0

40.3

259.9

418.0

 30

235.1

44.3

148.2

322.0

 Tenure (years)

  < 5

240.6

50.8

141.0

340.2

4.12

3

0.249

  5–9

289.6

61.9

168.2

410.9

  10–19

322.4

35.2

253.4

391.5

 20

371.6

46.2

281.1

462.1

Clinical

 Number of previous sick leave

  0

282.9

26.4

231.3

334.6

8.36

2

0.015

  1–2

367.5

62.4

245.1

489.8

 3

444.8

72.7

302.4

587.3

 Diagnosis

  Major depressive disorder

330.2

33.3

265.0

395.4

13.96

5

0.016

  Adjustment disorder

237.8

40.9

157.7

317.9

  Bipolar disorder

389.8

171.3

54.0

725.5

  Anxiety disorder

506.2

145.1

221.8

790.6

  Schizophrenia

586.9

130.0

332.0

841.7

  Others

328.2

69.8

191.4

465.0

Work related

 Employee rank

  Manager

304.7

47.4

211.8

397.7

10.80

3

0.013

  Senior staff

260.8

30.8

200.4

321.1

  Normal staff

378.0

45.6

288.7

467.4

  Assistant staff

663.3

123.4

421.4

905.1