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Table 4 Characteristics of subjects by mode of first primary cancer detection

From: Mode of primary cancer detection as an indicator of screening practice for second primary cancer in cancer survivors: a nationwide survey in Korea

  Mode of First Primary Cancer Detection
Non-screen-detected Screen-detected Univariate Multivariate*
N (%) N (%) OR (95% CI) aOR (95% CI)
Age
 Old (≥60 y) 201 (75.9) 64 (24.2) 1.00 1.00
 Young (40 ≤ y <60) 174 (70.5) 73 (29.6) 1.32 (0.89–1.95) 0.91 (0.55–1.51)
Gender
 Female 192 (73.3) 70 (26.7) 1.00 1.00
 Male 183 (73.2) 67 (26.8) 1.00 (0.68–1.49) 0.99 (0.56–1.74)
Marital status
 Not married (single, divorced, widowed) 67 (77.0) 20 (23.0) 1.00 1.00
 Married 308 (72.5) 117 (27.5) 1.27 (0.74–2.19) 0.97 (0.53–1.79)
Education
 Less than high school 131 (79.4) 34 (20.6) 1.00 1.00
 High school and above 244 (70.3) 103 (29.7) 1.68 (1.07–2.62) 1.41 (0.83–2.41)
Monthly household income
 <2 million won 284 (78.7) 77 (21.3) 1.00 1.00
 ≥2 million won 91 (60.3) 60 (39.7) 2.43 (1.61–3.67) 2.23 (1.39–3.58)
Insurance
 Medicaid/none/others 74 (78.7) 20 (21.28) 1.00 1.00
 National health insurance 301 (72.0) 117 (28.0) 1.40 (0.82–2.40) 1.17 (0.64–2.15)
Cancer types
 Stomach 67 (63.2) 39 (36.8) 1.00 1.00
 Lung 27 (69.2) 12 (30.8) 0.76 (0.35–1.68) 0.80 (0.34–1.88)
 Liver 28 (66.7) 14 (33.3) 0.86 (0.40–1.82) 0.85 (0.38–1.90)
 Colon/Rectum 62 (83.8) 12 (16.2) 0.33 (0.16–0.69) 0.33 (0.15–0.72)
 Breast 80 (70.8) 33 (29.2) 0.71 (0.40–1.25) 0.56 (0.27–1.17)
 Cervix 11 (78.6) 3 (21.4) 0.47 (0.12–1.78) 0.41 (0.09–1.77)
 Others 100 (80.7) 24 (19.4) 0.41 (0.23–0.75) 0.38 (0.20–0.72)
Stage
 In situ & local 203 (72.0) 79 (28.0) 1.00 1.00
 Regional 172 (74.8) 58 (25.2) 0.87 (0.58–1.29) 0.92 (0.59–1.42)
Years since diagnosis
 2 ≤ y <5 231 (70.6) 96 (29.4) 1.00 1.00
 ≥5 y 144 (77.8) 41 (22.2) 0.69 (0.45–1.04) 0.60 (0.38–0.94)
Comorbidity
 No 154 (81.5) 35 (18.5) 1.00 1.00
 Yes 221 (68.4) 102 (31.6) 2.03 (1.31–3.14) 2.05 (1.29–3.28)
Smoking, current
 No 350 (72.8) 131 (27.2) 1.00 1.00
 Yes 25 (80.7) 6 (19.4) 0.64 (0.26–1.60) 0.68 (0.26–1.80)
Drinking, current
 No 322 (72.9) 120 (27.2) 1.00 1.00
 Yes 53 (75.7) 17 (24.3) 0.86 (0.48–1.55) 0.62 (0.32–1.20)
  1. Abbreviations: N number, y year, OR odds ratio, CI confidence interval.
  2. *Adjusted for all variables in univariate analysis.