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Table 2 Odds ratios (ORs) and 95% confidence intervals (CIs) for participation in gastric cancer screening within the previous two years (in line with NCSP recommendations) by employment conditions (n = 5626)

From: Employment conditions and use of gastric cancer screening services in Korea: a nationwide survey

Variable Model 1a Model 2b Model 3c
OR 95% CI OR 95% CI OR 95% CI
Employment status
 Wage worker 1.00 Reference 1.00 Reference 1.00 Reference
 Self-employed worker 0.77 0.67–0.89 0.78 0.67–0.91 0.79 0.68–0.92
 Unpaid family worker 1.00 0.78–1.28 1.03 0.80–1.33 1.03 0.80–1.34
Occupational type
 Office worker/clerk 1.00 Reference 1.00 Reference 1.00 Reference
 Professional/manager/administrator 0.84 0.63–1.13 0.80 0.60–1.06 0.82 0.61–1.09
 Sales/service worker 0.54 0.41–0.71 0.59 0.45–0.77 0.62 0.47–0.81
 Agricultural/fishery worker 0.75 0.55–1.00 0.92 0.67–1.27 0.97 0.71–1.34
 Plant/machine operator 0.55 0.42–0.73 0.64 0.48–0.86 0.67 0.50–0.91
 Manual worker 0.58 0.44–0.77 0.70 0.52–0.95 0.74 0.55–0.99
Work type
 Full-time worker 1.00 Reference 1.00 Reference 1.00 Reference
 Part-time worker 0.80 0.66–0.97 0.81 0.67–0.99 0.81 0.67–0.99
Work hours (/week)
  ≤ 40 1.00 Reference 1.00 Reference 1.00 Reference
 41–59 1.09 0.93–1.27 1.10 0.94–1.29 1.09 0.93–1.29
  ≥ 60 0.88 0.74–1.05 0.93 0.78–1.11 0.93 0.78–1.11
Work schedule
 Day worker 1.00 Reference 1.00 Reference 1.00 Reference
 Shift worker 0.82 0.70–0.97 0.86 0.72–1.02 0.87 0.73–1.04
  1. aModel 1: Adjusted for age and gender
  2. bModel 2: Additionally adjusted for educational level and monthly household income
  3. cModel 3: Additionally adjusted for health-related behaviors (smoking and alcohol consumption)