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Table 1 Adjusted odds ratios (ORs) with 95% confidence intervals (CI) for adherence to annual breast screening by demographic, family history risk and visits to health professionals for female relatives from the Ontario site of the Breast Cancer Family Registry

From: Beliefs about optimal age and screening frequency predict breast screening adherence in a prospective study of female relatives from the Ontario Site of the Breast Cancer Family Registry

Demographic, Health and Screening Characteristics Screening mammogram Adherers vs. Late-screeners Adherers vs. Never-screeners
Adherers (N = 329) Late-screeners (N = 382) Never-screeners (N = 147) Adjusted*OR 95% CI Adjusted*OR 95% CI
Age at baseline interview (years)
 30-39 11 (3.4) 30 (7.8) 97 (66.0)   
 40-49 74 (22.5) 134 (35.1) 32 (21.8)   
 50-59 133 (40.4) 136 (35.6) 12 (8.1)   
 ≥ 60 111 (33.7) 82 (21.5) 6 (4.1)   
Family History Risk
 Low 124 (37.7) 189 (49.5) 103 (70.1) 1.00 1.00
 Moderate 92 (28.0) 89 (23.3) 24 (16.3) 1.55 (1.06, 2.27) 2.47 (1.38, 4.41)
 High 113 (34.3) 104 (27.2) 20 (13.6) 1.48 (1.04, 2.12)δ 2.01 (1.06, 3.80)δ
Education level
 High school or less 122 (37.1) 115 (30.2) 22 (14.9) 1.00 1.00
 Some college/university/ vocational/technical school 124 (37.7) 166 (43.6) 57 (38.8) 0.86 (0.60, 1.24) 1.38 (0.69, 2.76)
 Bachelor’s degree or higher 83 (25.2) 100 (26.2) 68 (46.3) 1.02 (0.68, 1.54) 1.08 (0.55, 2.12)
Married or Common-Law
 Yes 272 (82.7) 314 (82.2) 126 (85.7) 1.00 1.00
 No 57 (17.3) 68 (17.8) 21 (14.3) 0.90 (0.60, 1.35) 1.32 (0.66, 2.66)
Visits to Health Professionals
 Once a year or less 109 (33.1) 134 (35.1) 55 (37.4) 1.00 1.00
 2-3 times per year 148 (45.0) 142 (37.2) 61 (41.5) 1.25 (0.88, 1.77) 1.23 (0.73, 2.08)
 4 or more times per year 72 (21.9) 106 (27.7) 31 (21.1) 0.76 (0.51, 1.14) 1.21 (0.67, 2.20)
  1. *Adjusted by age at interview.
  2. p-value = 0.024.
  3. p-value = 0.002.
  4. δ p-value = 0.032.
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