Skip to main content

Table 1 Maternal characteristics of study population according to ICHD-II criteria migraine (definitive + probable), April 2009-Dec 2010, Seattle, WA

From: Agreement of self-reported physician diagnosis of migraine with international classification of headache disorders-II migraine diagnostic criteria in a cross-sectional study of pregnant women

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)  
  1. Data in mean ± standard deviation (SD) or number (%).