Table 1.
Comparison of demographic characteristics of participants between intervention and control groups.
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|
Intervention (n=63) | Control (n=63) | Test statistic | P value | ||||||
| Demographic information | ||||||||||
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Age (years), mean (SD) | 38.6 (9.8) | 37.3 (8.8) | 0.75a | .46 | |||||
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Gender, n (%) | —b | — | 2.45c | .12 | |||||
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Male | 9 (14) | 16 (25) | — | — | ||||
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Female | 54 (86) | 47 (75) | — | — | ||||
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Education, n (%) | — | — | 0.89c | .64 | |||||
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High school | 12 (19) | 10 (16) | — | — | ||||
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Undergraduate | 46 (73) | 45 (71) | — | — | ||||
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Graduate | 5 (8) | 8 (13) | — | — | ||||
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Marital state, n (%) | — | — | 1.56c | .21 | |||||
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Single | 26 (41) | 33 (52) | — | — | ||||
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|
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Married | 37 (59) | 30 (48) | — | — | ||||
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Alcohol, n (%) | — | — | 0.05c | .82 | |||||
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Yes | 51 (81) | 52 (83) | — | — | ||||
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No | 12 (19) | 11 (18) | — | — | ||||
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Smoking, n (%) | — | — | 2.49c | .12 | |||||
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Yes | 3 (5) | 8 (13) | — | — | ||||
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No | 60 (95) | 55 (87) | — | — | ||||
| Workplace information | ||||||||||
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Company size (employee), n (%) | — | — | 2.24d | .72 | |||||
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<10 | 5 (8) | 5 (8) | — | — | ||||
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10-29 | 2 (3) | 6 (10) | — | — | ||||
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30-99 | 11 (18) | 11 (18) | — | — | ||||
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100-299 | 5 (8) | 4 (6) | — | — | ||||
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≥300 | 40 (64) | 37 (59) | — | — | ||||
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Type of work field, n (%) | — | — | 2.23d | .85 | |||||
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Sales and services | 3 (5) | 1 (2) | — | — | ||||
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Technical | 2 (3) | 3 (5) | — | — | ||||
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Office | 16 (25) | 21 (33) | — | — | ||||
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Professional | 23 (37) | 22 (35) | — | — | ||||
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Civil servant/teacher | 5 (8) | 4 (6) | — | — | ||||
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Othere | 14 (22) | 12 (19) | — | — | ||||
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Type of employment, n (%) | — | — | 0.95c | .33 | |||||
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Regular position | 51 (81) | 55 (87) | — | — | ||||
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Temporary position | 12 (19) | 8 (13) | — | — | ||||
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Job grade, n (%) | — | — | 3.27c | .66 | |||||
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Staff | 2 (3) | 1 (2) | — | — | ||||
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Administrative manager | 12 (19) | 12 (19) | — | — | ||||
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Assistant manager | 10 (16) | 14 (22) | — | — | ||||
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General manager | 12 (19) | 17 (27) | — | — | ||||
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Director and higher | 18 (29) | 13 (21) | — | — | ||||
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No job grade | 9 (14) | 6 (10) | — | — | ||||
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Customer complaints, n (%) | — | — | 0.93c | .34 | |||||
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|
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Yes | 41 (65) | 46 (73) | — | — | ||||
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No | 22 (35) | 17 (27) | — | — | ||||
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Income (KRWf), n (%) | — | — | 3.23d | .53 | |||||
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|
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<₩2 million | 15 (24) | 10 (16) | — | — | ||||
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₩2-3 million | 30 (48) | 34 (54) | — | — | ||||
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₩3-4 million | 8 (13) | 9 (14) | — | — | ||||
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₩4-5 million | 5 (8) | 8 (13) | — | — | ||||
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>₩5 million | 5 (8) | 2 (3) | — | — | ||||
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Work days/weekg, mean (SD) | 5.0 (0.3) | 5.1 (0.2) | –0.72a | .47 | |||||
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Work hours/dayg, mean (SD) | 8.2 (0.9) | 8.3 (0.7) | –1.16a | .25 | |||||
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Work experience in current work field (months)g, mean (SD) | 133.2 (103.6) | 128.0 (91.8) | 0.30a | .77 | |||||
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Work experience in current job (months)h, mean (SD) | 107.3 (103.4) | 91.2 (90.7) | 0.92a | .36 | |||||
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Number of late days in past month, mean (SD) | 0.7 (1.8) | 0.8 (1.9) | –0.29a | .77 | |||||
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Number of early leave days in past month, mean (SD) | 0.3 (0.6) | 0.3 (0.9) | –0.34a | .73 | |||||
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Number of absent days in past month, mean (SD) | 0.1 (0.2) | <0.1 (0.1) | 1.01a | .31 | |||||
a2-tailed t test.
bNot applicable.
cChi-square test.
dFisher exact test.
eOther includes miscellaneous positions in the company <9 employees, company management position >10 employees, etc.
fKRW: South Korean Won. 1198 Won=$1 USD.
gOne value missing.
hFour values missing.