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Table 2 Chi-square results and odds ratios per sub-group

From: Demographic differences between health care workers who did or did not respond to a safety and organizational culture survey

Category X 2 Odds Ratio 95% CI
Professional group:    
• Physicians vs. Nurses1 38.036** 1.59 1.37 - 1.85
• Physicians vs. Clinical workers1 20.319** 1.47 1.24 - 1.74
• Physicians vs. Laboratory workers 3.232 1.20 0.98 - 1.45
• Physicians vs. Non-medical workers 0.088 1.03 0.85 - 1.25
• Nurses vs. Clinical workers 1.23 0.92 0.80 - 1.07
• Nurses1 vs. Laboratory workers 10.15* 0.75 0.63 - 0.90
• Nurses1 vs. Non-medical workers 23.78** 0.65 0.54 - 0.77
• Clinical workers vs. Laboratory workers 4.343 0.81 0.67 - 0.99
• Clinical workers1 vs. Non-medical workers 13.12** 0.70 0.58 - 0.85
• Laboratory workers vs. Non-medical workers 2 0.86 0.69 - 1.07
Gender: Male vs. female1 6.329 1.16 1.03 - 1.30
Age group:    
• 15-24 years old vs. 25-34 years old 5.223 1.35 1.04 - 1.74
• 15-24 years old vs. 35-44 years old 6.949 1.42 1.09 - 1.83
• 15-24 years old vs. 45-54 years old1 20.833** 1.82 1.40 - 2.35
• 15-24 years old vs. >54 years old 6.76 1.44 1.09 - 1.89
• 25-34 years old vs. 35-44 years old 0.477 1.05 0.91 - 1.21
• 25-34 years old vs. 45-54 years old1 17.278** 1.35 1.17 - 1.56
• 25-34 years old vs. >54 years old 0.588 1.07 0.90 - 1.26
• 35-44 years old vs. 45-54 years old1 10.99* 1.28 1.11 - 1.49
• 35-44 years old vs. >54 years old 0.032 1.02 0.85 - 1.21
• 45-54 years old vs. >54 years old 7 0.79 0.67 -0.94
Years of working in the hospital:    
• <5 years vs. 5-9 years1 31.867** 1.47 1.29 - 1.68
• <5 years vs. 10-20 years1 22.631** 1.43 1.24 - 1.66
• <5 years vs. >20 years1 10.721* 1.29 1.11 - 1.50
• 5-9 years vs. 10-20 years 0.097 0.97 0.83 - 1.15
• 5-9 years vs. >20 years 2.419 0.88 0.74 - 1.03
• 10-20 years vs. >20 years 1.36 0.90 0.75 - 1.07
Executive function: Executive1 vs. Non-executive 24.771** 2.00 1.51 - 2.64
  1. Bonferroni correction was used as appropriate for all analyses. ** p < .001. *p < .01.
  2. 1Had significantly higher response rate than the other sub-group.