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Table 4 Associations between sociodemographic factors and undergoing routine or sporadic opportunistic testing

From: Impact of opportunistic testing in a systematic cervical cancer screening program: a nationwide registry study

  Routine opportunistic testing1 vs. screened after invitation3 Sporadic opportunistic testing2 vs. screened after invitation3
Unadjusted Adjusted Unadjusted Adjusted
OR (95 % CI) OR (95 % CI) OR (95 % CI) OR (95 % CI)
Age (years)
23–28 1 (ref) 1 (ref) 1 (ref) 1 (ref)
29–34 1.13 (1.11–1.15) 1.02 (1.00–1.04) 1.39 (1.35–1.43) 1.17 (1.13–1.20)
35–42 0.80 (0.78–0.81) 0.75 (0.73–0.76) 1.15 (1.12–1.18) 0.98 (0.95–1.00)
43–49 0.59 (0.58–0.60) 0.55 (0.54–0.56) 1.08 (1.05–1.10) 0.91 (0.89–0.94)
Residential region
Southern Denmark 1 (ref) 1 (ref) 1 (ref) 1 (ref)
North Denmark 1.75 (1.71–1.79) 1.81 (1.77–1.85) 1.85 (1.79–1.91) 1.88 (1.82–1.95)
Central Denmark 1.25 (1.23–1.27) 1.25 (1.23–1.28) 1.20 (1.17–1.23) 1.21 (1.18–1.25)
Capital Region of Denmark 1.30 (1.28–1.32) 1.25 (1.22–1.27) 1.56 (1.52–1.60) 1.55 (1.51–1.59)
Region Sealand 1.07 (1.05–1.09) 1.10 (1.07–1.12) 0.81 (0.78–0.84) 0.80 (0.77–0.83)
Ethnicity
Danish 1 (ref) 1 (ref) 1 (ref) 1 (ref)
Western immigrants 1.54 (1.49–1.58) 1.25 (1.21–1.30) 0.89 (0.85–0.93) 1.00 (0.95–1.06)
Non-western immigrants 1.19 (1.15–1.22) 1.08 (1.05–1.12) 0.89 (0.85–0.93) 1.01 (0.96–1.07)
Marital status
Single 1.38 (1.36–1.40) 1.22 (1.20–1.23) 1.16 (1.13–1.19) 1.20 (1.17–1.23)
Married/registered partnership 1 (ref) 1 (ref) 1 (ref) 1 (ref)
Cohabiting 1.40 (1.38–1.42) 1.16 (1.14–1.18) 1.27 (1.25–1.30) 1.10 (1.08–1.13)
Occupation
Employed 1 (ref) 1 (ref) 1 (ref) 1 (ref)
Self-employed/chief executive 1.06 (1.03–1.09) 1.15 (1.11–1.18) 1.15 (1.11–1.20) 1.14 (1.10–1.19)
Unemployed/benefits4 1.30 (1.28–1.33) 1.27 (1.25–1.30) 1.21 (1.18–1.25) 1.21 (1.17–1.25)
Retired NA NA NA NA
Social welfare recipients 1.89 (1.83–1.94) 1.68 (1.63–1.73) 1.30 (1.25–1.36) 1.31 (1.24–1.37)
Other 1.21 (1.18–1.24) 1.12 (1.09–1.15) 0.73 (0.70–0.76) 0.85 (0.82–0.89)
Education (years)
≤10 1.25 (1.23–1.27) 1.12 (1.10–1.14) 1.10 (1.08–1.13) 1.02 (1.00–1.05)
11–15 1 (ref) 1 (ref) 1 (ref) 1 (ref)
>15 1.14 (1.13–1.16) 1.07 (1.05–1.08) 1.19 (1.17–1.21) 1.07 (1.05–1.10)
  1. Adjusted model: Adjusted for age groups, residential region, ethnicity, marital status, occupation, and education.
  2. Statistically significant results are shown in bold.
  3. NA: Not available due to limited data
  4. 1) Cervical cytology obtained between 271 days to 3 years after latest invitation or 2.5 to 3 years after latest cervical cytology.
  5. 2) Cervical cytology obtained less than 2.5 years after latest cervical cytology.
  6. 3) Cervical cytology obtained within 270 days after latest invitation.
  7. 4) State benefits in relation to sickness, education, leave benefits, disability pension, and student grants