Journal of Environmental and Public Health / 2010 / Article / Tab 2

Research Article

Serum Persistent Organic Pollutants and Duration of Lactation among Mexican-American Women

Table 2

Characteristics of CHAMACOS participants ( 𝑁 = 3 6 6 ), Salinas Valley, California, 1999-2000.

n(%)

Lactation Duration (months)
< 3120(32.8)
 3–12144(39.3)
 12+102(27.9)
Mother's Age at Delivery (years)
 18–24162(44.4)
 25–29124(34.0)
 30–3449(13.4)
 35–4530(8.2)
Parity
 0130(35.5)
 1116(31.7)
 2+120(32.8)
Breastfed Previous Children
 No/Not applicable155(42.7)
 Yes208(57.3)
Mother's Education
 6th grade or less159(43.4)
 7–12th grade136(37.2)
 High school graduate or more71(19.4)
Mother's work status
 Did not work139(38.4)
 Some field work108(29.8)
 Some agricultural work42(11.6)
 Other work only73(20.2)
Body Mass Index (kg  m 2 )
 Underweight (<18.5)3(0.9)
 Normal (18.5–25)133(37.7)
 Overweight (25–30)140(39.7)
 Obese ( > 30)77(21.8)
Years residing in United States
1102(27.9)
 2–5108(29.5)
 6–1081(22.1)
 11+75(20.5)
Marital Status
 Single70(19.1)
 Married/Living as married296(80.9)
Cesarean Delivery
 No277(75.7)
 Yes89(24.3)
Family Income
 At or below poverty level216(71.8)
 Poverty-200%83(27.6)
 Above 200% Poverty level2(0.7)

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