Table 1

Characteristics of the study population: according to a medical history of mood/anxiety disorder, Seattle and Tacoma, Washington, USA, 2003-2006
Physician diagnosed mood/anxiety
Yes No
N=68 N=1,264
Characteristics % %
Maternal Age (years) 34.2 ± 4.91 33.3 ± 4.41
Maternal Age (years)
 <25 1.5 2.9
 25-34 50.0 57.5
 35-39 35.3 32.2
 ≥40 13.2 7.4
Non-Hispanic white race/ethnicity 94.1 87.5
Annual household income (US$)*
 <30,000 2.9 1.9
 30,000-69,999 27.9 13.1
 ≥ 70,000 66.2 80.4
 Missing 2.9 4.7
Nulliparous 55.9 59.7
High school or less education 4.4 2.7
Unmarried 11.8 8.2
Pre-gestational chronic hypertensive 7.4 3.9
Family history of diabetes mellitus 11.8 14.6
Family history of hypertension 48.5 50.5
Employed during pregnancy 77.9 78.7
Smoked during pregnancy* 13.2 4.7
No prenatal vitamin 2.9 2.5
No exercise during pregnancy 7.4 7.3
Pre-pregnancy body mass index (kg/m2) 24.1 ± 4.91 23.5 ± 4.61
Pre-pregnancy body mass index (kg/m2)*
 Lean (<18.5) 4.4 4.5
 Normal (18.5-24.9) 57.4 70.8
 Overweight (25.0-29.9) 29.4 17.3
 Obese (≥30.0) 8.8 7.4

1Mean ± standard deviation (SD).

*P-value <0.05 from Student t test for continuous variable or from Chi-square test for categorical variables.

Qiu et al.

Qiu et al. BMC Pregnancy and Childbirth 2012 12:104   doi:10.1186/1471-2393-12-104

Open Data