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. 2013 Feb 13;8(2):e55189. doi: 10.1371/journal.pone.0055189

Table 1. Baseline characteristics of psychiatrists in the sample group.

Total (n = 704) n (%) a
Age (years)
Mean ± S.D. 37.2±7.5
Gender
Male 545 (77.4)
Female 159 (22.6)
Experience as a medical doctor (years) 11.1±7.7
Experience as a psychiatrist (years) 9.6±8.2
Position
Professor or Associate Professor 151 (22.8)
Assistant Professor 237 (35.7)
Psychiatric Resident 171 (25.8)
Postgraduate Student 104 (15.7)
Marital status
Married 462 (66.6)
Not married 232 (33.4)
Children status
Have children 351 (50.7)
Do not have children 341 (49.3)
Average working hours per week
Less than 40 hours 38 (5.5)
40 to less than 50 hours 148 (21.4)
50 hours or more 505 (73.1)
Number of nights worked per month
None 83 (12.0)
Less than 4 245 (35.3)
5 to 9 282 (40.6)
10 or more 84 (12.1)

a Percentage of the total number of valid values for each variable.