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Table 4 Response rates (%) for demographic groups by condition

From: Response rates to a mailed survey of a representative sample of cancer patients randomly drawn from the Pennsylvania Cancer Registry: a randomized trial of incentive and length effects

Variable

Percentage of total

Short/$3

Short/$5

Long/$3

Long/$5

Race (n = 1,150)

     

Non-white

6%

46.4

54.8

45.5

52.9

White

94%

63.8

63.1

57.3

58.8

Gender -colon cancer only (n = 399)

     

Female

53%

43.4

47.5

41.3

39.6

Male

47%

46.8

51.3

38.9

40.4

Age (n = 1,138)

     

> = 65 Years

54%

57.5

58.4

52.6

51.9

< = 64 Years

46%

66.1

67.8

60.6

65.6

Stage of cancer (N = 1036)

     

0

10.9%

65.6

55.6

73.1

64.3

I

19.3%

69.2

67.3

66.1

62.8

II

48.6%

70.4

71.6

65.1

68.2

III

13.8%

64.7

61.8

65.4

46.9

IV

7.3%

42.9

52.6

26.7

52.4

  1. aNon-missing n = 1,031. Gender is only presented for colon cancer participants. Results of logistic regression models with interaction terms suggest that none of the variables interacted with condition.