Page 36 - Migraine, the heart and the brain

Chapter 2
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eTable 1. Baseline characteristics of follow-up participants and non-participants
Characteristic at baseline (CAMERA-1)
CAMERA-1 (n=435)
CAMERA-2 Total group
CAMERA-2 Migraineurs
CAMERA-2 Controls
Demographics
Age at CAMERA-1, mean (SD), y Female
Low education†
48 (7.8) 317 (73%) 227 (52%)
50 (7.9)$ 115 (77%) 90 (60%)$
48 (7.7) 202 (71%) 137 (48%)
49 (8.0) 73 (79%) 57 (61%)
48 (7.8) 144 (71%) 98 (49%)
51 (7.5)$$ 42 (75%) 33 (59%)
46 (7.2) 58 (69%) 39 (46%)
Physical and lab exam
Body mass index, mean (SD)
25 (4.2)
25 (4.4)
25 (4.0)
26 (4.7)$
25 (4.1)
24 (3.8)
24 (3.6)
Blood pressure, mean (SD), mm Hg Systolic
Diastolic
134 (18) 91 (10)
136 (18) 92 (10)
134 (18) 91 (10)
136 (18) 93 (11)$
133 (17) 91 (9)
135 (18) 90 (8)
135 (18) 91 (10)
Hypertension* Diabetes
High risk cholesterol*
167 (38%) 9 (2%) 65 (15%)
58 (39%) 2 (1%) 27 (18%)
109 (38%) 7 (2%) 38 (13%)
43 (46%) 0
17 (18%)
79 (39%) 4 (2%) 29 (14%)
15 (27%) 2 (4%) 10 (18%)
30 (36%) 3 (4%) 9 (11%)
Medical history
Smoking
Ever
Pack-years, mean (SD)
287 (66%) 10 (13)
104 (70%) 14 (16)$
183 (64%) 8 (11)
64 (67%) 13 (16)$
125 (62%) 8 (11)
40 (71%) 14 (17)
58 (69%) 10 (12)
High alcohol consumption*
44 (10%) 77/317 (24%)
14 (9%) 22/115 (19%)
30 (11%) 55/202 (27%)
6 (7%) 15/73 (21%)
16 (8%) 38/144 (26%)
8 (14%) 7/42 (17%)
14 (17%) 17/58 (29%)
>15 yrs of oral contraceptive use (women only)
Non-participants (n=149)
Participants (n=286)
Non-participants (n=93)
Participants (n=203)
Non-participants (n=56)
Participants (n=83)
Unless indicated otherwise, differences were not signi cant (P>.05)
Compared with participants $ P<.05, $$ P<.001
†Low education indicates primary school or lower vocational education. *Hypertension CAMERA-1 de ned as a systolic blood pressure of 160 mm Hg and higher or a diastolic blood pressure of 95 mmHg and higher or current use of antihypertensive drugs. High alcohol consumption de ned as ≥ 3 units/day; high risk cholesterol de ned as upper 15% ratio total/ hdl cholesterol.