Skip to main content

Table 1 Characteristics of participants (N = 20,786)

From: Sleep duration and satisfaction among physicians in tertiary public hospitals in China: a large sample national survey

  Frequency Percentage (%)
Sex
 Male 9056 43.57
 Female 11,730 56.43
Age (year)
  < =29 3711 17.85
 30–39 10,383 49.95
 40–49 4633 22.29
  > =50 2059 9.91
Marital status
 Not married 3643 17.53
 Married 16,658 80.14
 Divorced or separated 485 2.33
Children
 None 6085 29.27
 One child 12,162 58.51
 More than one 2539 12.21
Educational levela
 Bachelor of Mecicine 5952 28.64
 Additional Master’s or doctorate degree 14,834 71.37
Department
 General medicine 4878 23.47
 General surgery 3151 15.16
 Gynecology and obstetrics 2940 14.14
 General pediatrics 1762 8.48
 Emergency medicine 696 3.35
 Internal medicine subspecialtyb 3756 18.07
 General surgery subspecialtyc 3603 17.33
Administration position
 Yes 2568 12.35
 No 18,218 87.65
Night shift per month
 0–4 times 11,812 56.83
  > 4 times 8974 43.17
Hospital type
 General 8754 42.11
 Traditional Chinese Medicine 5214 25.08
 Other special typesd 6818 32.80
Region
 East China 8028 38.62
 Middle China 5385 25.91
 West China 7373 35.47
Workload
 Very heavy/Heavy 12,794 61.55
 Moderate 6611 31.80
 Very mild/Mild 1381 6.64
  1. aIn China, medical school graduates are awarded with a bachelor degree of medicine (similar to European and Russian system). Some obtained an master’s or doctorate degree in addition to their medical degree
  2. bIncluding Traditional Chinese Medicine department, rehabilitation department, geriatrics department, etc.
  3. cIncluding reproductive department, plastic surgery department, ophthalmology department, etc.
  4. dMainly Maternal and Child Health Hospitals