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Table 6 Predictors of family contact form (FCF) return by cancer cases contacted by the Family CARE Study, 2009 to 2011.

From: Examining the challenges of family recruitment to behavioral intervention trials: factors associated with participation and enrollment in a multi-state colonoscopy intervention trial

Variable

FCF returned (n,%)

FCF not returned (n,%)

Crude odds ratio

95% confidence interval

Adjusted odds ratio: all variables

95% confidence interval

Total number

2,043 (52.6%)

1,840 (47.4%)

    

Case age group at study contact

      

≤49

199 (47.8%)

217 (52.2%)

Referent

Referent

Referent

Referent

50 to 59

920 (47.4%)

1019 (52.6%)

0.98

0.79, 1.22

1.02

0.76, 1.36

60+

924 (60.5%)

604 (39.5%)

1.67

1.34, 2.08

1.16

0.82, 1.65

Case age group at diagnosis

      

≤40

60 (69%)

27 (31%)

Referent

Referent

Referent

Referent

41 to 50

600 (49.3%)

618 (50.7%)

0.44

0.27, 0.69

0.82

0.45, 1.48

51+

1,383 (53.6%)

1,195 (46.4%)

0.52

0.33, 0.83

0.84

0.45, 1.57

Diagnosis year

      

Before 2000

194 (84%)

37 (16%)

Referent

Referent

Referent

Referent

2001 to 2004

406 (85.3%)

70 (14.7%)

1.11

0.72, 1.71

1.30

0.83, 2.05

2005 to 2009

1,443 (45.4%)

1,733 (54.6%)

0.16

0.11, 0.23

1.27

0.80, 2.00

Ethnicity a

      

Hispanic

163 (31.2%)

360 (68.8%)

0.39

0.32, 0.47

0.62

0.50, 0.78

Non-Hispanic

1,656 (54%)

1,410 (46%)

Referent

Referent

Referent

Referent

Race

      

Nonwhite

329 (48.9%)

344 (51.1%)

0.84

0.71, 0.98

0.66

0.51, 0.84

White

1,714 (53.4%)

1,496 (46.6%)

Referent

Referent

Referent

Referent

Rural or urban status

      

Rural

425 (57.2%)

318 (42.8%)

1.26

1.07, 1.48

1.31

1.08, 1.58

Urban

1,618 (51.5%)

1,522 (48.5%)

Referent

Referent

Referent

Referent

Sex

      

Female

960 (55.6%)

767 (44.4%)

1.24

1.09, 1.41

1.25

1.07, 1.46

Male

1,083 (50.2%)

1,073 (49.8%)

Referent

Referent

Referent

Referent

Cancer stage

      

Local

869 (49%)

905 (51%)

Referent

Referent

Referent

Referent

Regional or distant

1,174 (55.7%)

935 (44.3%)

1.31

1.15, 1.48

1.05

0.91, 1.23

Registry source

      

California

827 (33.9%)

1,611 (66.1%)

Referent

Referent

Referent

Referent

Idaho

115 (83.9%)

22 (16.1%)

10.18

6.40, 16.19

8.28

5.11, 13.41

Colorado

213 (81.9%)

47 (18.1%)

8.83

6.37, 12.24

7.12

5.97, 18.98

New Mexico

51 (64.6%)

28 (35.4%)

3.55

2.22, 5.67

3.32

2.04, 5.41

Utah

837 (86.4%)

132 (13.6%)

12.35

10.09, 15.11

10.89

8.08, 14.66

  1. a Due to small numbers (n ≤ 5), those with other family relationships to the cancer case (e.g., nephew, niece) were not included in the analysis.
  2. b Due to limited data availability, rural/urban status for non-consenting cases could not always be determined. Thus, these individuals (n = 161) are missing from the data.