Table 3 Results of univariate logistic regression analysis for long overtime work hours and excessive overtime work
Factor | Classification | Long overtime work hours | Excessive overtime work | ||||||
|---|---|---|---|---|---|---|---|---|---|
OR | 95% CI | P | OR | 95% CI | P | ||||
Socio-demographic factors | |||||||||
Sex | Male | 1.00 | 1.00 | ||||||
Female | 0.18 | 0.10 | 0.30 | <0.01 | 0.26 | 0.14 | 0.47 | <0.01 | |
Age | 20-29 | 1.00 | 1.00 | ||||||
30-39 | 0.67 | 0.31 | 1.45 | 0.31 | 0.69 | 0.31 | 1.52 | 0.35 | |
40-49 | 0.57 | 0.25 | 1.28 | 0.17 | 0.31 | 0.13 | 0.76 | 0.01 | |
50- | 0.69 | 0.29 | 1.64 | 0.40 | 0.58 | 0.23 | 1.42 | 0.23 | |
BMI | 18.5-25 | 1.00 | 1.00 | ||||||
<18.5 | 0.65 | 0.30 | 1.40 | 0.27 | 0.66 | 0.26 | 1.71 | 0.40 | |
≥25 | 2.22 | 1.15 | 4.32 | 0.02 | 1.98 | 1.03 | 3.83 | 0.04 | |
Sleep | ≥6 hours | 1.00 | 1.00 | ||||||
<6 hours | 0.92 | 0.46 | 1.85 | 0.82 | 1.72 | 0.83 | 3.57 | 0.14 | |
Drinking | Never or occasionally | 1.00 | 1.00 | ||||||
Sometimes or more often | 0.95 | 0.57 | 1.56 | 0.83 | 0.86 | 0.49 | 1.51 | 0.59 | |
Smoking | Never or ex-smoker | 1.00 | 1.00 | ||||||
Current smoker | 1.48 | 0.75 | 2.90 | 0.26 | 1.09 | 0.53 | 2.28 | 0.81 | |
Physical exercise | Sometimes or more often | 1.00 | 1.00 | ||||||
Never or occasionally | 0.84 | 0.52 | 1.36 | 0.47 | 1.12 | 0.65 | 1.91 | 0.69 | |
Hobbies | Yes | 1.00 | 1.00 | ||||||
No | 1.01 | 0.60 | 1.70 | 0.96 | 0.92 | 0.51 | 1.64 | 0.77 | |
Meal times | Regular | 1.00 | 1.00 | ||||||
Irregular | 3.91 | 1.71 | 8.97 | <0.01 | 3.82 | 1.84 | 7.94 | <0.01 | |
Current illness | No | 1.00 | 1.00 | ||||||
Yes | 0.68 | 0.39 | 1.19 | 0.18 | 0.55 | 0.28 | 1.08 | 0.08 | |
Marital status | Married | 1.00 | 1.00 | ||||||
Unmarried | 1.32 | 0.79 | 2.18 | 0.29 | 1.78 | 1.03 | 3.09 | 0.04 | |
Educational level | Graduate or higher | 1.00 | 1.00 | ||||||
Undergraduate | 0.74 | 0.46 | 1.20 | 0.22 | 0.66 | 0.38 | 1.14 | 0.14 | |
Stress at home | No | 1.00 | 1.00 | ||||||
Yes | 0.65 | 0.39 | 1.06 | 0.08 | 0.88 | 0.51 | 1.54 | 0.66 | |
Human relations at home | Good | 1.00 | 1.00 | ||||||
Poor | 0.90 | 0.39 | 2.05 | 0.80 | 1.25 | 0.52 | 3.05 | 0.62 | |
Workplace-related factors | |||||||||
Position | Clerk | 1.00 | 1.00 | ||||||
Chief | 0.92 | 0.35 | 2.41 | 0.87 | 0.83 | 0.33 | 2.11 | 0.70 | |
Assistant manager or higher | 1.12 | 0.58 | 2.20 | 0.73 | 0.61 | 0.32 | 1.16 | 0.13 | |
Part-time worker | 0.05 | 0.02 | 0.13 | <0.01 | 0.03 | 0.01 | 0.14 | <0.01 | |
Commuting time | <30 minutes | 1.00 | 1.00 | ||||||
≥30 minutes | 0.80 | 0.48 | 1.33 | 0.39 | 0.80 | 0.45 | 1.42 | 0.44 | |
Job demand | Low | 1.00 | 1.00 | ||||||
High | 3.15 | 1.84 | 5.41 | <0.01 | 2.67 | 1.39 | 5.11 | <0.01 | |
Decision latitude | High | 1.00 | 1.00 | ||||||
Low | 1.90 | 0.92 | 3.93 | 0.08 | 2.08 | 1.01 | 4.30 | 0.048 | |
Social support | High | 1.00 | 1.00 | ||||||
Low | 1.28 | 0.74 | 2.21 | 0.37 | 1.63 | 0.91 | 2.93 | 0.10 | |
Taking paid holiday | Yes | 1.00 | 1.00 | ||||||
No | 5.01 | 2.38 | 10.55 | <0.01 | 4.47 | 2.33 | 8.54 | <0.01 | |
Stopping work | No | 1.00 | 1.00 | ||||||
Yes | 2.42 | 1.45 | 4.02 | <0.01 | 1.97 | 1.14 | 3.40 | 0.01 | |
Difficulty going home | No | 1.00 | 1.00 | ||||||
Yes | 3.32 | 1.73 | 6.37 | <0.01 | 1.85 | 0.99 | 3.47 | 0.05 | |
Fear of the boss | No | 1.00 | 1.00 | ||||||
Yes | 2.09 | 1.15 | 3.81 | 0.02 | 2.63 | 1.43 | 4.82 | <0.01 | |
Work motivation | Yes | 1.00 | 1.00 | ||||||
No | 1.31 | 0.67 | 2.56 | 0.43 | 1.26 | 0.61 | 2.58 | 0.54 | |
Work purpose | Yes | 1.00 | 1.00 | ||||||
No | 0.98 | 0.54 | 1.78 | 0.95 | 1.40 | 0.74 | 2.67 | 0.30 | |
Success motivation | Yes | 1.00 | 1.00 | ||||||
No | 0.58 | 0.31 | 1.07 | 0.08 | 0.89 | 0.46 | 1.72 | 0.73 | |
Gratitude for employment | Yes | 1.00 | 1.00 | ||||||
No | 0.93 | 0.48 | 1.80 | 0.82 | 0.59 | 0.26 | 1.34 | 0.21 | |
Big Five personality factors | |||||||||
Extraversion | High | 1.00 | 1.00 | ||||||
Low | 1.57 | 0.97 | 2.55 | 0.07 | 3.07 | 1.73 | 5.45 | <0.01 | |
Agreeableness | High | 1.00 | 1.00 | ||||||
Low | 1.35 | 0.83 | 2.19 | 0.22 | 2.06 | 1.18 | 3.61 | 0.01 | |
Conscientiousness | High | 1.00 | 1.00 | ||||||
Low | 1.27 | 0.78 | 2.06 | 0.33 | 1.75 | 1.01 | 3.05 | 0.047 | |
Emotional stability | High | 1.00 | 1.00 | ||||||
Low | 1.48 | 0.91 | 2.40 | 0.11 | 2.49 | 1.42 | 4.37 | <0.01 | |
Openness | High | 1.00 | 1.00 | ||||||
Low | 1.23 | 0.76 | 2.00 | 0.39 | 1.36 | 0.79 | 2.35 | 0.26 | |