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. 2019 Jan 10;16(2):183. doi: 10.3390/ijerph16020183

Table 2.

Sample characteristics in education and work experience (N = 580).

Sample Characteristic N %
Education
secondary 291 50.17
post-secondary 9 1.55
higher 280 48.28
Work experience
3 years or less 45 7.76
4–8 years 152 26.21
9–15 years 238 41.03
16–25 years 130 22.41
over 25 years 11 1.90
Work system
shift work 541 93.28
day shifts 36 6.21
Professional status
executives 386 66.55
commanders 193 33.28

Note: data available for Work experience: N = 576; Work system: N = 577; Professional status: N = 579.