Table 3 Factors associated with attitude for adjusting work habits, satisfaction level on preventive measures, and reduction of work efficiency: bivariate analysis (unadjusted) and multiple stepwise logistic regressions (adjusted)
Independent variable | Attitude for adjusting work habits | Degree of satisfaction on preventive measures | Reduction of work efficiency | |||
|---|---|---|---|---|---|---|
Unadjusted OR(95%CI) | Adjusted OR(95%CI) | Unadjusted OR(95%CI) | Adjusted OR(95%CI) | Unadjusted OR(95%CI) | Adjusted OR(95%CI) | |
Gender | ||||||
 Female | 1 | 1 | 1 | |||
 Male | 1.02 (0.89–1.17) | 1.05 (0.91–1.21) | 2.27 (1.23–4.16) | |||
Age group (years) | ||||||
  ≤ 24 | 1 | 1 | 1 | 1 | ||
 25–34 | 1.00 (0.89–1.13) | 1.08 (0.96–1.22) | 2.94 (1.51–5.71) | 1.11 (1.03–1.19) | ||
 35–54 | 1.03 (0.89–1.20) | 1.05 (0.90–1.22) | 2.29 (1.05–4.86) | 1.14 (1.04–1.25) | ||
 ≧55 | 1.20 (0.79–1.79) | 1.25 (0.84–1.84) | 3.34 (0.89–5.78) | 1.27 (1.09–1.95) | ||
Education level | ||||||
 Primary or secondary school | 1 | 1 | 1 | |||
 High school/vocational high school | 0.93 (0.70–1.22) | 0.84 (0.64–1.11) | 0.71 (0.05–0.79) | |||
 Training school | 0.98 (0.77–1.25) | 0.85 (0.67–1.07) | 1.09 (0.84–1.43) | |||
 Undergraduate college | 1.02 (0.79–1.30) | 0.87 (0.69–1.11) | 1.00 (0.76–1.31) | |||
 Postgraduate | 1.19 (0.74–1.88) | 0.90 (0.58–1.39) | 0.95 (0.57–1.58) | |||
Workplace environment | ||||||
 Completely indoors | 1 | 1 | 1 | |||
 Mainly indoors | 1.05 (0.90–1.22) | 1.20 (1.03–1.40) | 0.92 (0.77–1.11) | |||
 Completely outdoors | 1.27 (0.94–1.72) | 0.94 (0.70–1.27) | 1.02 (0.72–1.45) | |||
 Mainly outdoors | 1.13 (0.95–1.35) | 1.06 (0.89–1.27) | 0.90 (0.74–1.12) | |||
Physically demanding | ||||||
 Not at all | 1 | 1 | 1 | 1 | 1 | |
 A little | 1.00 (0.86–1.17) | 0.67 (0.47–0.87) | 0.79 (0.67–0.92) | 3.03 (1.33–6.92) | 1.28 (1.07–1.54) | |
 Moderately | 0.92 (0.79–1.08) | 0.87 (0.68–0.99) | 0.81 (0.69–0.96) | 2.04 (0.93–4.46) | 1.19 (0.99–1.43) | |
 Very much | 0.93 (0.69–1.25) | 0.57 (0.20–0.94) | 0.70 (0.52–0.94) | 2.01 (0.77–3.26) | 1.30 (0.92–1.82) | |
Work close to heat sources | ||||||
 No | 1 | 1 | 1 | |||
 Yes | 1.05 (0.81–1.36) | 1.05 (0.82–1.36) | 0.89 (0.66–1.20) | |||
Use of personal protective equipment | ||||||
 No | 1 | 1 | 1 | 1 | ||
 Yes | 0.99 (0.88–1.11) | 1.13 (1.02–1.25) | 1.12 (1.01–1.26) | 1.37 (0.77–2.45) | ||
Heat illness experience | ||||||
 No | 1 | 1 | 1 | |||
 Yes | 2.13 (1.13–3.12) | 0.25 (0.12–0.56) | 1.37 (0.58–3.27) | |||
Heat-related injury experience | ||||||
 No | 1 | 1 | 1 | |||
 Yes | 1.01 (0.82–1.25) | 0.17 (0.08–0.42) | 0.92 (0.73–1.16) | |||
Heat-related injury witnessed | ||||||
 No | 1 | 1 | 1 | 1 | ||
 Yes | 1.0 (0.95–1.20) | 0.91 (0.82–1.02) | 2.50 (1.34–4.66) | 1.26 (1.11–1.43) | ||
Attending heat training | ||||||
 No | 1 | 1 | 1 | |||
 Yes | 0.93 (0.84–1.05) | 1.86 (1.01–3.44) | 0.98 (0.86–1.13) | |||
Knowing high temperature regulations | ||||||
 No | 1 | 1 | 1 | |||
 Yes | 1.07 (0.94–1.22) | 2.32 (1.17–4.60) | 0.96 (0.83–1.12) | |||
Adjusting work habits | ||||||
 No | 1 | 1 | 1 | 1 | ||
 Yes | 1.47 (1.13–1.71) | 1.13 (1.01–1.28) | 1.06 (0.94–1.21) | 0.95 (0.83–1.11) | ||
High-temperature subsidies received | ||||||
 No | 1 | 1 | 1 | |||
 Yes | 1.09 (0.96–1.26) | 0.94 (0.82–1.08) | 1.08 (0.92–1.27) | |||