Table 4

Relative percentage of congruent answers by rationale for supplement use and supplement used (n = 520)

Overcome injury

Doctor's advice


Yes

No

Yes

No


Multivitamin

Yes

64

77.1%

314

71.9%

91

72.2%

287

72.8%

No

19

22.9%

123

28.1%

35

27.8%

107

27.2%

83

100.0%

437

100.0%

126

100.0%

394

100.0%

Vitamin C

Yes

58

69.9%

308

70.5%

89

70.6%

277

70.3%

No

25

30.1%

129

29.5%

37

29.4%

117

29.7%

83

100.0%

437

100.0%

126

100.0%

394

100.0%

Magnesium

Yes

16

19.3%

41

9.4%

18

14.3%

39

9.9%

No

67

80.7%

396

90.6%

108

85.7%

355

90.1%

83

100.0%

437

100.0%

126

100.0%

394

100.0%

Echinacea

Yes

29

34.9%

131

30.0%

39

31.0%

121

30.7%

No

54

65.1%

306

70.0%

87

69.0%

273

69.3%

83

100.0%

437

100.0%

126

100.0%

394

100.0%

Iron

Yes

27

32.5%

128

29.3%

64

50.8%

91

23.1%

No

56

67.5%

309

70.7%

62

49.2%

303

76.9%

83

100.0%

437

100.0%

126

100.0%

394

100.0%

Ginseng

Yes

11

13.3%

32

7.3%

5

4.0%

38

9.6%

No

72

86.7%

405

92.7%

121

96.0%

356

90.4%

83

100.0%

437

100.0%

126

100.0%

394

100.0%


* 100% in each cell indicates a complete congruence.

PetrĂ³czi et al. Nutrition Journal 2007 6:34   doi:10.1186/1475-2891-6-34

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