Table 1.
Maternal characteristics of study population according to ICHD-II criteria migraine (definitive + probable), April 2009-Dec 2010, Seattle, WA
| Characteristics |
Cohort
|
ICHD-II criteria for migraine (definitive + probable)
|
||
|---|---|---|---|---|
| (N = 500) | Yes (N = 149) | No (N = 351) | p-value | |
| Maternal Age (years) |
33.4 ± 4.2 |
32.9 ± 4.4 |
33.6 ± 4.1 |
0.131 |
| Maternal Age (years) | ||||
| < 35 |
316 (63.2) |
102 (68.5) |
214 (61.0) |
0.112 |
| ≥ 35 |
184 (36.8) |
47 (31.5) |
137 (39.0) |
|
| Maternal Race/Ethnicity | ||||
| Non-Hispanic White |
430 (86.0) |
126 (84.6) |
304 (86.6) |
0.593 |
| African American |
8 (1.6) |
4 (2.7) |
4 (1.1) |
|
| Other |
57 (11.4) |
18 (12.1) |
39 (11.1) |
|
| Missing |
5 (1.0) |
1 (0.7) |
4 (1.1) |
|
| Annual Household Income ($) | ||||
| <50,000 |
20 (4.0) |
6 (4.0) |
14 (4.0) |
0.061 |
| 50,000-69,000 |
33 (6.6) |
13 (8.7) |
20 (5.7) |
|
| ≥ 70,000 |
428 (85.6) |
129 (86.6) |
299 (85.2) |
|
| Missing |
19 (3.8) |
1 (0.7) |
18 (5.1) |
|
| Single Marital Status |
48 (9.6) |
19 (12.8) |
29 (8.3) |
0.119 |
| Nulliparous |
261 (52.2) |
81 (54.4) |
180 (51.3) |
0.528 |
| Unplanned Pregnancy |
72 (14.4) |
24 (16.1) |
48 (13.7) |
0.479 |
| Cigarette Smoker during early pregnancy |
95 (19.0) |
30 (20.1) |
65 (18.5) |
0.674 |
| Family History of Headache/Migraine |
220 (44.0) |
97 (65.1) |
123 (35.0) |
<0.001 |
| History of Chronic Hypertension |
11 (2.2) |
7 (4.7) |
4 (1.1) |
0.020 |
| Pre-Pregnancy Body Mass Index (kg/m2) |
23.5 ± 4.7 |
24.7 ± 5.4 |
23.0 ± 4.3 |
<0.001 |
| Pre-Pregnancy Body Mass Index (kg/m2) | ||||
| <18.5 |
24 (4.8) |
5 (3.4) |
19 (5.4) |
0.012 |
| 18.5-24.9 |
340 (68.0) |
89 (59.7) |
251 (71.5) |
|
| 25.0-29.9 |
92 (18.4) |
34 (22.8) |
58 (16.5) |
|
| ≥ 30.0 |
42 (8.4) |
20 (13.4) |
22 (6.3) |
|
| Missing | 2 (0.4) | 1 (0.7) | 1 (0.3) | |
Data in mean ± standard deviation (SD) or number (%).