The block size and record length pertain to data stored on tape. Data are available on tape and CD-ROM . NTIS order no. Data year GPO order no. NTIS order no.
All documentation is included electronically on the data tape and CD-ROMs.
All data users are strongly encouraged to review these reference materials and reports before analyzing the data. Survey results are available in the Advance Data Nos. 255 and 258 . Additional survey results will be published in Series 11 of the Vital and Health Statistics series.