Frequencies for first 10,000 rows of residnce variable in nhamcsed2006 dataset : patient residence | Freq. Percent Cum. ------------------+----------------------------------- private residence | 9,133 91.33 91.33 nursing home | 172 1.72 93.05 other institution | 103 1.03 94.08 other residence | 90 0.90 94.98 homeless | 64 0.64 95.62 unknown | 276 2.76 98.38 blank | 162 1.62 100.00 ------------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016