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. Author manuscript; available in PMC: 2013 Apr 1.
Published in final edited form as: Public Health Nutr. 2011 Sep 22;15(4):702–710. doi: 10.1017/S1368980011002229

Table 1.

Population Characteristics of Subjects: PRAMS Arkansas, Michigan, and Ohio 2000–2003 Sample n 16838, weighted count 1007194

Variable n (unweighted) Percent (weighted)
Breastfeeding Intention
 Definite 7698 52.2
 Tentative 3204 16.8
 Uncertain 809 4.3
 No intention 4625 26.8
Gestational Age
 < 34 weeks 1890 2.2
 34–36 weeks 2834 7.5
 ≥ 37 weeks 12 115 90.3
Primiparous 7144 41
Maternal Age, yrs
 ≤19 2378 11.5
 20–24 5029 25.9
 25–29 4471 28.5
 30–34 3230 22.9
 ≥35 1731 11.3
Maternal Education, yrs
 <12 years 3220 16.6
 12 years 6313 33.6
 >12 years 7157 48.8
Maternal Race
 White 12161 81.5
 Black 4268 15.7
 Other 410 2.8
Medicaid
 Medicaid 7807 35.9
 Not Medicaid 9025 64.1
Mode of Delivery
 Cesarean section 5130 23.6
 Vaginal 11681 64.4
Initiated Breastfeeding 10 117 65.2
Breastfeeding At 4 Weeks,
% of Entire Population 7625 52
% of Those Who Initiated 7625 79.2
Breastfeeding At 10 Weeks,
% of Entire Population 5057 30.8
% of Those Who Initiated 5057 73
State
 Arkansas 7317 13.4
 Michigan 3748 30.1
 Ohio 5774 56.5