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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.