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. 2014 Aug 13;6:277–286. doi: 10.2147/CLEP.S65338

Table 2.

Comparison of characteristics between study population and source population using the Chiang Mai University Hospital’s official personnel database

Study population Source population
Number 3,188a 5,364
% female 77.3 68.8
Mean age, years (standard deviation) 39.7 (10.7) 40.5 (11.0)
Age distribution (%)
 <25 years 10.7 8.8
 25–30 years 13.6 14.3
 30–35 years 13.5 12.7
 35–40 years 14.0 12.6
 40–45 years 11.7 10.9
 45–50 years 16.2 15.4
 50–55 years 12.0 13.9
 55–60 years 8.3 10.5
 >60 years 0.5 0.6
Job position (%)
 Special advisor 0.0 <0.1
 Instructor (doctor of medicine) 1.8 6.4
 Instructor (not a doctor of medicine) 1.2 1.9
 Doctor/dentist 0.7 5.8
 Pharmacist 2.1 2.2
 Nurse 38.7 31.1
 Nurse aide 13.2 12.2
 Other health professionals 2.8 3.0
 Nonhealth professionals 7.1 6.4
 Administration officers 4.1 3.9
 Workers 28.2 26.9
Highest education (%)
 Elementary school 4.0 4.3
 Early secondary school 6.3 6.4
 Late secondary school 13.6 12.9
 Bachelor’s degree 66.5 62.0
 Master’s degree 6.7 6.3
 PhD/equivalent 2.8 8.0

Note:

a

16 participants were included in the research database but were not in the personnel database as of July 2013 when the analysis was conducted.