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Table 5 Demographics and breast cancer risk factors by latent class of CAM use (n = 764)a,b

From: Latent class analysis suggests four distinct classes of complementary medicine users among women with breast cancer

 

Total sample

Low-dose supplement users

Vitamin/mineral supplement users

Mind-body medicine users

Multi-modality high-dose users

 

n

%e

n

%e

n

%e

n

%e

n

%e

Demographics

          

Age in years, mean (SD)d

56.3

(11.4)

58.8

(12.0)

55.6

(10.5)

50.9

(9.8)

53.1

(10.0)

Age at diagnosisd

          

  < 45 years

136

17.8

48

14.3

51

18.3

24

28.6

13

19.7

 45–54 years

231

30.2

84

25.1

88

31.5

34

40.5

25

37.9

 55–64 years

204

26.7

85

25.4

81

29.0

18

21.4

20

30.3

 65+ years

193

25.3

118

35.2

59

21.2

8

9.5

8

12.1

Religionc

          

 Protestant

173

22.6

82

24.5

65

23.3

13

15.5

13

19.7

 Catholic

424

55.5

198

59.1

151

54.1

43

51.2

32

48.5

 Jewish

153

20.0

49

14.6

58

20.8

27

32.1

19

28.8

 Other/refused

14

1.8

6

1.8

5

1.8

f

f

f

f

Annual household incomed

          

 Less than $25,000

79

10.3

50

14.9

18

6.5

f

f

7

10.6

 $25,000–$49,999

234

30.6

127

37.9

81

29.0

13

15.5

13

19.7

 $50,000–$89,999

266

34.8

100

29.9

94

33.7

44

52.4

28

42.4

 Greater than $90,000

185

24.2

58

17.3

86

30.8

23

27.4

18

27.3

Educationd

          

 High school graduate or less

301

39.4

185

55.2

92

33.0

10

11.9

14

21.2

 Some college

195

25.5

77

23.0

72

25.8

28

33.3

18

27.3

 College graduate

111

14.5

31

9.3

56

20.1

16

19.1

8

12.1

 Postgraduate

157

20.6

42

12.5

59

21.2

30

35.7

26

39.4

Breast cancer risk factors

          

First degree family history of BC

          

 No

595

77.9

256

76.4

217

77.8

65

77.4

57

86.4

 Yes

151

19.8

66

19.7

59

21.2

19

22.6

7

10.6

Prior oral contraceptive used

          

 Never

376

49.2

190

56.7

135

48.4

25

29.8

26

39.4

 Ever

386

50.5

144

43.0

143

51.3

59

70.2

40

60.6

Prior hormone replacement therapy use

          

 Never

511

66.9

236

70.5

187

67.0

52

61.9

36

54.6

 Ever

253

33.1

99

29.6

92

33.0

32

38.1

30

45.5

Menopausal status at diagnosisd

          

 Pre-menopausal

279

36.5

87

26.0

117

41.9

45

53.6

30

45.5

 Post-menopausal

465

60.9

239

71.3

158

56.6

38

45.2

30

45.5

BMI at diagnosisd

          

  < 25

375

49.1

139

41.5

158

56.6

36

42.9

42

63.6

 25–29

241

31.5

113

33.7

86

30.8

27

32.1

15

22.7

 30+

143

18.7

80

23.9

34

12.2

20

23.8

9

13.6

  1. Abbreviations: BC breast cancer, BMI body mass index, CAM complementary and alternative medicine, SD standard deviation
  2. aParticipants assigned to class based on highest posterior class membership probability, as determined through SAS PROC LCA
  3. bP-values based on Pearson chi-squared tests or analysis of variance (ANOVA)
  4. cP < 0.05
  5. dP < 0.001
  6. eColumn percentages may not add up to 100 due to missing data
  7. fValues not displayed due to cell sizes < 5