Table 2

Participant characteristics, reported symptoms and consulting health professionals

Characteristic

Sham diet

(n = 83)

True diet

(n = 84)

Total

(n = 167)

Gender (females)

72 (87%)

75 (89%)

147 (88%)


Age (years), mean (sd)

47.1 (10.1)

48.3 (11.0)

47.7 (10.6)

No. migraines past 4 weeks,

median (IQR)

5.0

(4.0 to 8.0)

6.0

(3.0 to 10.0)

6.0

(3.0 to 9.0)

Regular medication use

65 (79%)

67 (80%)

132(80%)


Symptoms experienced

Intense throbbing headache

80 (96%)

80 (95%)

160 (96%)

Increased sensitivity to light

70 (84%)

72 (86%)

142 (85%)

Nausea

63 (76%)

69 (82%)

132 (79%)

Increased sensitivity to sounds

55 (66%)

53 (63%)

108 (65%)

Increased sensitivity to smells

42 (51%)

45 (54%)

87 (52%)

Visual disturbance

44 (53%)

43 (51%)

87 (52%)

Diarrhoea

21 (25%)

17 (20%)

38 (23%)

Other

34 (41%)

43 (51%)

77 (46%)


Consulted healthcare professional a

83 (100%)

84(100%)

167(100%)

GP

82 (99%)

84 (100%)

166 (99%)

Hospital specialists

46 (55%)

42 (50%)

88 (53%)

Headache clinic

28 (34%)

26 (31%)

54 (32%)

CAM

49 (59%)

41(49%)

90 (54%)

Other

45 (54%)

32 (38%)

77 (46%)


Consulted GP in last 3 months

Baseline (N = 167)

32 (39%)

37 (44%)

69 (41%)

3 months (N = 139)

20 (28%)

15 (22%)

35 (25%)


a This refers to any consultation

Mitchell et al. Nutrition Journal 2011 10:85   doi:10.1186/1475-2891-10-85

Open Data