Skip to main content

Table 2 Factors associated with concerns about extreme heat and heat-related injury, attitudes for more training and regulation: bivariate analysis (unadjusted) and multiple stepwise logistic regressions (adjusted)

From: Perceptions of workplace heat exposure and adaption behaviors among Chinese construction workers in the context of climate change

Independent variable Concern for extreme heat Concern for heat-related injury Attitude for more training Attitude for more regulation
Unadjusted OR(95%CI) Adjusted OR(95%CI) 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   1 1
 Male 1.04 (0.90–1.22)   1.01 (0.85–1.20)   1.01 (0.90–1.13)   2.94 (1.03–7.69) 1.09 (1.00–1.19)
Age group (years)
  ≤ 24 1 1 1   1   1  
 25–34 0.61 (0.28–0.93) 0.82 (0.72–0.94) 1.07 (0.92–1.23)   0.96 (0.87–1.05)   0.94 (0.88–1.02)  
 35–54 0.40 (0.14–0.66) 0.83 (0.70–0.98) 1.12 (0.93–1.35)   0.92 (0.82–1.04)   0.91 (0.84–1.01)  
55 0.31 (0.04–0.56) 0.53 (0.34–0.83) 0.98 (0.61–1.57)   1.00 (0.73–1.38)   0.90 (0.71–1.15)  
Education level
 Primary or secondary school 1   1   1   1  
 High school/vocational high school 0.82 (0.30–2.26)   0.91 (0.66–1.28)   0.93 (0.76–1.16)   0.87 (0.73–1.03)  
 Training school 1.43 (0.26–8.26)   1.19 (0.89–1.60)   0.92 (0.77–1.11)   0.99 (0.85–1.15)  
 Undergraduate college 1.47 (1.12–1.83)   1.25 (1.04–1.47)   0.93 (0.77–1.12)   0.99 (0.85–1.15)  
 Postgraduate 1.85 (1.18–2.42)   1.83 (1.12–2.57)   1.15 (0.79–1.67)   1.18 (1.06–1.39)  
Workplace environment
 Completely indoors 1   1   1   1  
 Mainly indoors 1.17 (0.99–1.40)   1.07 (0.89–1.30)   0.97 (0.86–1.09)   1.04 (0.94–1.15)  
 Completely outdoors 1.41 (1.12–1.71)   1.11 (0.76–1.62)   0.96 (0.76–1.22)   0.94 (0.78–1.14)  
 Mainly outdoors 1.13 (0.92–1.36)   1.05 (0.85–1.31)   0.97 (0.84–1.11)   1.03 (0.92–1.15)  
Physically demanding
 Not at all 1   1 1 1   1  
 A little 1.25 (0.85–1.61)   1.89 (0.83–4.12) 1.16 (0.96–1.40) 1.06 (0.94–1.21)   1.01 (0.91–1.11)  
 Moderately 1.44 (0.95–1.92)   1.92 (0.88–4.17) 1.10 (0.76–1.56) 1.05 (0.92–1.20)   0.94 (0.85–1.04)  
 Very much 1.45 (1.11–1.79)   1.23 (1.04–1.43) 1.22 (1.01–1.47) 1.15 (0.90–1.45)   1.16 (1.05–1.29)  
Work close to heat sources
 No 1   1 1 1   1  
 Yes 0.86 (0.64–1.15)   1.22 (1.03–1.41) 1.37 (1.04–1.85) 0.95 (0.77–1.17)   0.87 (0.74–1.02)  
Use of personal protective equipment
 No 1   1   1 1 1  
 Yes 1.19 (1.09–1.29)   0.98 (0.85–1.13)   1.18 (1.03–1.35) 1.11 (1.02–1.20) 0.97 (0.90–1.04)  
Heat illness experience
 No 1   1   1   1  
 Yes 0.97 (0.80–1.19)   2.76 (1.19–6.43)   1.04 (0.90–1.20)   0.99 (0.89–1.11)  
Heat-related injury experience
 No 1 1 1 1 1   1  
 Yes 1.43 (1.05–1.78) 1.30 (1.03–1.62) 1.69 (1.25–2.13) 1.39 (1.08–1.77) 0.98 (0.84–1.15)   0.96 (0.85–1.09)  
Heat-related injury witnessed
 No 1 1 1   1 1 1  
 Yes 1.14 (1.03–1.26) 1.12 (1.02–1.27) 2.01 (1.16–3.49)   1.08 (1.01–1.16) 1.09 (1.00–1.20) 1.03 (0.96–1.11)  
Attending heat training
 No 1   1   1 1 1 1
 Yes 1.07 (0.94–1.22)   1.06 (0.92–1.23)   1.58 (1.21–1.95) 1.15 (1.04–1.26) 3.61 (1.19–9.98) 1.07 (1.00–1.15)
Knowing high temperature regulations
 No 1   1   1   1 1
 Yes 0.90 (0.79–1.05)   0.98 (0.84–1.15)   2.74 (1.11–6.79)   4.71 (2.26–9.93) 1.11 (1.02–1.20)
Adjusting work habits
 No 1   1   1   1  
 Yes 1.07 (1.03–1.13)   0.97 (0.84–1.13)   0.93 (0.84–1.03)   0.94 (0.87–1.02)  
High-temperature subsidies received
 No 1   1   1   1