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Table 4 Presence of depressive symptoms and organizational factors

From: Symptoms of depression in ICU physicians

  Presence of depressive symptoms N = 214 Absence of depressive symptoms N = 687 P
Unit factors    
Teaching hospital, % 53 47 0.17
Number of ICU beds* 14.3 ± 7.3 15.7 ± 9.1 0.04
Patients admitted, year 2003, number* 579 ± 306 619 ± 318 0.13
Intensivists (excluding interns and residents) working in the ICU, number 6.0 ± 2.4 6.0 ± 2.6 0.95
Intensivist absenteeism for more than 1 week, year 2003, % 39 32 0.09
Compensation for overtime, % 30 34 0.23
Relief of service until the next working day after a night shift, % 36 48 0.002
Discussion group, % 39 43 0.29
Psychologist, % 23 25 0.62
Intensivist factors    
Working hours per week, hours* 60 ± 13 58 ± 12 0.03
Full-time ICU activity, % 72 69 0.47
High level of burnout, % 81 36 0.0001
Night shifts per month, number* 5.1 ± 1.9 4.7 ± 1.9 0.008
Period since the last nonworking day, days** 4 (3–8) 4 (3–6) 0.002
Period since the last nonworking weekend, days** 10 (4–19) 7 (4–15) 0.0001
During year 2003:    
· No. of conflicts with a nurse** 2 (0–5) 2 (0–4) 0.23
· No. of conflicts with a colleague intensivist** 2 (1–5) 1 (0–3) 0.0001
During the last 7 days:    
· Night shift, %    0.07
- 0 12 17  
- 1 32 37  
- 2 42 34  
- ≥3 14 12 0.001
· Conflict with a nurse, % 19 11 0.0001
· Conflict with a colleague intensivist, % 29 12 0.0001
· Conflict with a patient’s family, % 11 7 0.07
The day of the survey:    
· Night shift before the survey, % 19 15 0.16
· Off the day before, % 14 19 0.10
· Patients-to-intensivist ratio* 7.3 ± 4.7 7.5 ± 4.9 0.56