OR

95% CI

p-value

The reputation of the research institution or researcher

Subject Type

Control vs Case

0.92

0.55, 1.54

0.76

Relative vs Case

0.87

0.43, 1.75

0.69

Gender

1.51

0.92, 2.47

0.10

Cancer at baseline

1.12

0.70, 1.81

0.64

Cancer at survey

1.09

0.67, 1.78

0.72

Stage of cancer

1.52

0.47, 4.90

0.48

The value of incentives (for example, gift cards or cash)

Subject Type

Control vs Case

0.98

0.66, 1.45

0.91

Relative vs Case

1.47

0.84, 2.57

0.18

Gender

0.83

0.56, 1.22

0.33

Cancer at baseline

0.78

0.54, 1.12

0.18

Cancer at survey

0.71

0.49, 1.04

0.08

Stage of cancer

1.06

0.40, 2.82

0.90