Table with row headings in column A and column headings in rows 4 and 5. Columns B and D are Rates. Column C is margin of error.,,, "Table 7. Comparison of ACS and NCHS Fertility Indicators for Percent of Births to Unmarried Mothers, 4-Year Average: 2000-2003.",,, ,,, ,ACS,,NCHS ,Percent,Margin of Error1,Percent Percent of Births,29.1,0.52,33.8 Footnote:,,, 1 This figure when added to or subtracted from the estimate provide the 90-percent confidence interval.,,, "Source: U.S. Census Bureau, American Community Survey 2002-2003, Census Supplementary Survey 2000-2001 and National Vital Statistics Reports; Vol. 52, No. 19 and Vol. 53, No.9 Hyattsville, Maryland: NCHS.2004. ",,,