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. Author manuscript; available in PMC: 2011 Jan 1.

Published in final edited form as: Brain Behav Immun. 2009 May 21;24(1):49–53. doi: 10.1016/j.bbi.2009.05.055

Table 1.

Demographic Characteristics

Age (years)	Mean: 25 (SD=4.6) Range: 18–37
Race	African-American: 14
	Caucasian: 7
	Bi-racial: 1
Marital Status	Unmarried: 16
	Married: 6
Education	Less than high school: 4
	High school: 13
	Greater than high school: 5
Employment Status	Employed: 8
	Unemployed: 14
Income	< $15,000: 15
	15,000–29,999: 5
	>30,000: 2
Body Mass Index (kg/m²)
Pre-pregnancy:	Mean: 26.8 (SD=6.0) Range: 18.2–38.7
Per scale:	Mean: 28.9 (SD=6.3) Range: 20.2–42.9
Weeks Gestation	Mean: 17 (SD=9) Range: 5–36
Gravidity	Mean: 3.2 (SD=1.5) Range: 1–7
Parity	Mean: 1.9 (SD=1.3) Range: 0–5