Table 1:  Description of study population, Breast Cancer Survivorship Study, 2008

 

Total

 

Mean

SD

 

Age (years)

59.7

9.6

 

 

 

 

N

%

 

White race

249

93.3

 

Household income

 

<$25,000/year

43

16.1

 

$25,000-$50,000/year

64

24.0

 

$50,000-$100,000/year

87

32.6

 

>$100,000/year

58

21.7

 

Educational Level

 

 

 

   High School or less

87

32.6

 

   College

100

37.5

 

   Post Graduate

80

30.0

 

Family History of Breast Cancer in 1st degree relatives

77

28.8

 

>=1 Alcoholic drinks per day

56

21.0

 

Smoking History

 

 

 

   Current Smoker

14

5.2

 

   Past Smoker

135

50.6

 

   Never Smoked

114

42.7

 

Stage of cancer

 

 

 

   Stage I

126

47.2

 

   Stage II

115

43.1

 

   Stage III

24

9.0

 

Years Since Diagnosis

 

 

 

<5 years

99

37.1

 

   5-10 years

126

47.2

 

>10 years

41

15.4

 

Lymph Node Involvement

83

31.1

 

Surgical Treatment

 

 

 

    Lumpectomy

172

64.4

 

    Mastectomy

95

35.6

 

Chemotherapy

158

59.2

 

Hormonal Treatment

212

79.4

 

Radiation Treatment

208

77.9

 

ER Positive

213

79.8

 

PR Positive

187

70.0

 

Local Perceived Recurrence Risk

 

 

 

<10%

127

47.6

 

 10-30%

86

32.2

 

>30%

54

20.0

 

Distant Perceived Recurrence Risk

 

 

 

<10%

89

33.3

 

 10-30%

97

36.3

 

>30%

81

30.3

 

Adjuvant! Online Risk Score

 

 

 

<10%

95

35.6

 

 10-30%

142

53.2

 

>30%

27

10.1

 

Accuracy of perceived distant recurrence risk

 

 

 

  Accurate

98

36.7

 

  Overestimate

104

39.0

 

  Underestimate

62

23.2

 

 

 

N

%

Physical activity

 

 

   No Change

121

45.3

   Change

 

 

      Positive

90

33.7

Negative

47

17.6

      Unclassifiable

9

3.4

Nutrition

 

 

   No Change

127

47.6

   Change

 

 

      Positive

116

43.5

      Negative

10

3.8

      Unclassifiable

14

5.2

Weight

 

 

   No Change

109

40.8

   Change

 

 

      Positive

53

19.9

      Negative

88

33.0

      Unclassifiable

17

6.4

Table2: Distribution of behavior change among participants (n=267)

Table 3: Multinomial logistic regressions for the association between perceived local and distant recurrence risk and behavior change

 

Perceived Local Recurrence Risk

 

<10%

10-30%

>30%

 

N

OR

N

OR (95% CI)

N

OR (95% CI)

P Value

Physical Activitya

 

No Change

60

1.0

40

1.0

21

1.0

 

Negative Change

22

1.0

17

1.2 (0.5-2.4)

8

1.0 (0.4-2.6)

0.90

Positive Change

37

1.0

28

1.1 (0.6-2.1)

25

1.9 (0.9-3.9)

0.10

Nutritionb

 

 

 

 

 

 

 

No Change

73

1.0

37

1.0

17

1.0

 

Negative Change

4

1.0

4

2.2 (0.5-9.6)

2

2.4 (0.4-14.2)

0.26

Positive Change

41

1.0

40

2.1 (1.1-3.5)

35

4.0 (1.9-8.2)

<0.01

Weightc

 

 

 

 

 

 

 

No Change

56

1.0

35

1.0

18

1.0

 

Negative Change

37

1.0

33

1.3 (0.7-2.5)

18

1.2 (0.6-2.8)

0.52

Positive Change

25

1.0

14

0.9 (0.4-1.9)

14

1.6 (0.7-3.7)

0.42

 

 

 

 

 

 

 

 

 

Perceived Distant Recurrence Risk

 

<10%

10-30%

>30%

 

 

N

OR

N

OR (95% CI)

N

OR (95% CI)

P Value

Physical activitya

 

 

 

 

 

 

 

No Change

45

1.0

44

1.0

32

1.0

 

Negative Change

12

1.0

19

1.5 (0.6-3.5)

16

1.8 (0.7-4.3)

0.21

Positive Change

26

1.0

31

1.2 (0.6-2.3)

33

1.7 (0.9-3.4)

0.12

Nutritionb

 

 

 

 

 

 

 

No Change

47

1.0

49

1.0

31

1.0

 

Negative Change

0

1.0

5

--d

5

--d

 

Positive Change

33

1.0

40

1.1 (0.6-2.1)

43

2.0 (1.0-3.9)

0.05

Weightc

 

 

 

 

 

 

 

No Change

43

1.0

41

1.0

25

1.0

 

Negative Change

25

1.0

31

1.1 (0.5-2.2)

32

1.6 (0.8-3.5)

0.22

Positive Change

16

1.0

19

1.1 (0.5-2.5)

18

1.6 (0.7-3.9)

0.28

aadjusted for age

badjusted for age and alcohol use

cadjusted for alcohol use, years since diagnosis, and chemotherapy treatment

dnot estimable due to small numbers

Table 4: Multinomial logistic regressions for the association of accuracy of perceived distant recurrence risk on behavior change after breast cancer diagnosis

 

Accurate

Overestimate

Underestimate

 

 

N

OR

N

OR (95% CI)

N

OR (95% CI)

P Value

Physical activitya

 

 

 

 

 

 

 

No Change

46

1.0

44

1.0

30

1.0

 

Negative Change

17

1.0

17

1.1 (0.5-2.3)

12

1.2 (0.5-2.9)

 

Positive Change

32

1.0

42

1.4 (0.7-2.6)

15

0.8 (0.4-1.7)

0.94

Nutritionb

 

 

 

 

 

 

 

No Change

46

1.0

48

1.0

32

1.0

 

Negative Change

6

1.0

4

0.6 (0.2-2.3)

0

--d

 

Positive Change

42

1.0

50

1.1 (0.6-2.0)

22

0.7 (0.4-1.5)

0.76

Weightc

 

 

 

 

 

 

 

No Change

40

1.0

38

1.0

30

1.0

 

Negative Change

36

1.0

35

  1. (0.5-1.9)

17

0.6 (0.3-1.4)

 

Positive Change

18

1.0

24

1.2 (0.6-2.7)

10

0.8 (0.3-1.9)

0.99

aadjusted for age

badjusted for age and alcohol use

cadjusted for alcohol use, years since diagnosis, and chemotherapy treatment

dnot estimable due to small numbers