Blood Folate and Vitamin B12, U.S., 1988-94

This report presents national estimates of serum & red blood cell (RBC) folate & serum vitamin B12 distributions for persons 4 years & over, by sociodemographic variables. Sections include: (1) methods: survey design; laboratory methods; response rates; & statistical methods; (2) results: estimates for the three vitamin biomarkers; serum folate red blood cell folate; serum vitamin B12; & factors affecting folate & vitamin B12 blood concentrations; (3) discussion; (4) references; & (5) appendixes: serum vitamin B12 geometric means & confidence intervals; & sample sizes for tables 28-36. Also includes 2 text tables, 6 text figures, 36 detailed tables, & 10 appendix tables.Wright, Jacqueline D. is the author of 'Blood Folate and Vitamin B12, U.S., 1988-94' with ISBN 9780756713508 and ISBN 0756713501.