Journal of Pregnancy / 2012 / Article / Tab 1

Research Article

Migraine-Asthma Comorbidity and Risk of Hypertensive Disorders of Pregnancy

Table 1

Sociodemographic and other characteristics of the cohort, Seattle and Tacoma, WA, USA, 1996–2008.

Entire CohortPhysician-Diagnosed Migraine
Characteristics( 𝑁 = 3 , 7 3 1 )Yes ( 𝑁 = 6 7 0 )No ( 𝑁 = 3 , 0 6 1 ) 𝑃 Value
%%%

Maternal age (years) 3 2 . 6 ± 4 . 5 3 2 . 5 ± 4 . 6 3 2 . 7 ± 4 . 5 0.27
 <200.60.50.6
 20–2922.225.821.4
 30–3443.640.644.30.14
 35–3927.026.327.1
 ≥406.66.96.5
Maternal race/ethnicity
 Non-Hispanic white86.488.785.9
 African American1.91.81.90.15
 Other11.79.512.2
Annual household income ($)
 <30,0003.43.03.5
 30,000–69,99919.820.819.60.79
 ≥70,00073.472.773.6
 Missing3.33.63.3
Nulliparous62.558.263.40.01
Education ≤ high school4.14.63.90.40
Unmarried9.010.58.70.14
History of diabetes mellitus1.31.31.30.89
History of chronic hypertension4.78.24.0<0.001
Family history of diabetes mellitus14.716.414.40.18
Family history of hypertension50.053.149.30.07
Not employed during pregnancy18.617.618.80.49
Smoked during pregnancy5.86.15.70.71
No prenatal vitamin use2.72.82.70.78
No exercise during pregnancy13.112.513.20.66
Pre-pregnancy body mass index (kg/m2) 2 3 . 6 ± 5 . 0 2 4 . 5 ± 6 . 1 2 3 . 4 ± 4 . 7 <0.001
 <18.54.33.94.3
 18.5–24.970.367.071.00.003
 25–29.916.416.416.4
 ≥309.012.78.2
Multiple births3.22.53.30.29
Gestational age at delivery (weeks) 3 8 . 4 ± 3 . 5 3 8 . 3 ± 3 . 4 3 8 . 4 ± 3 . 5 0.54
Infant birth weight (gram) 3 4 0 8 ± 6 0 4 3 4 0 6 ± 5 8 9 3 4 0 9 ± 6 0 8 0.90

*Mean ± standard deviation (SD).