File Manifest for ICPSR Johnston, Lloyd D., Jerald G. Bachman, and Patrick M. O'Malley. Monitoring the Future: A Continuing Study of the Lifestyles and Values of Youth, 1991. ICPSR09871-v1. Ann Arbor, MI: Inter-university Consortium for Political and Social Research [distributor], 1997. doi:10.3886/ICPSR09871.v1 Details on the version history can be found below the file listings. Study-level Documentation Filename Record Record Var. Date MD5 Length Count Count Updated Checksum 09871-related_literature.txt - - - 2013-05-21 - 09871-manifest.txt - - - 2013-05-22 - 09871-Codebook.pdf - - - 1997-12-11 796f90f6c6734413edf2569e4edf2e64 DS0001 Core Data Filename Record Record Var. Date MD5 Length Count Count Updated Checksum 09871-0001-Data.dta - 15,483 111 2005-03-11 c10b0c69b9fdc32d3e3b70bc7ec5632a 09871-0001-Data.por - 15,483 111 2005-03-11 e7d7aba9f5b272b1c09355be2dddabcd 09871-0001-Data.txt 124 15,483 111 1994-06-08 56ba72a97834cd7546a273ea1934451b 09871-0001-Data.xpt - 15,483 111 2005-03-11 b6a694857135bc4e2d2e4194d5bd7352 09871-0001-Setup.dct - - - 2005-03-11 3e202c23a806f96b5739fd6d54919a1b 09871-0001-Setup.do - - - 2005-03-11 ebfd1cc6cce88370c5234185fb9e629e 09871-0001-Setup.sas - - - 1997-12-11 21ae8a3cc81251c4ef167a34df759f54 09871-0001-Setup.sps - - - 1994-06-08 18912106720f0c49448fcc0b5938cb58 09871-0001-Supplemental_syntax.do - - - 2005-03-11 65e964789336014783e469185603957d 09871-0001-Supplemental_syntax.sas - - - 2005-03-11 ae8edd8b6c384fe9499c02ed40d71527 DS0002 Form 1 Data Filename Record Record Var. Date MD5 Length Count Count Updated Checksum 09871-0002-Data.dta - 2,584 585 2005-03-11 2841e358c0338356f0a6d0c90e98454e 09871-0002-Data.por - 2,584 585 2005-03-11 4acefc6e1cc092729384201794d43ea6 09871-0002-Data.txt 601 2,584 585 1994-06-08 dd5cd51e6a9c00476d01ae71afce729e 09871-0002-Data.xpt - 2,584 585 2005-03-11 514bffa8afd676b2820db3b9126832cc 09871-0002-Setup.dct - - - 2005-03-11 5849c2d9acf81ec2927ef5552a490649 09871-0002-Setup.do - - - 2005-03-11 af9f88de25f56aae53270730fa98211e 09871-0002-Setup.sas - - - 1997-12-11 aa022b461b8687b04f7af14716d2619e 09871-0002-Setup.sps - - - 1994-06-08 8ff07765255c79db45defcdc0de4d8e8 09871-0002-Supplemental_syntax.do - - - 2005-03-11 c99076968d2d2464112600ade6a54618 09871-0002-Supplemental_syntax.sas - - - 2005-03-11 2b148e2e2ec58ffc0e1fe48ac95c82dc DS0003 Form 2 Data Filename Record Record Var. Date MD5 Length Count Count Updated Checksum 09871-0003-Data.dta - 2,560 329 2005-03-11 46b25be9cd67bb394a0a448a9e7c6450 09871-0003-Data.por - 2,560 329 2005-03-11 40fe25fc080db5d426dd1f6f44bb6fc0 09871-0003-Data.txt 342 2,560 329 1994-06-08 088be52b7ffb1f5df3edca612448161c 09871-0003-Data.xpt - 2,560 329 2005-03-11 df6ef8fc26eefe182edbe0eee111394a 09871-0003-Setup.dct - - - 2005-03-11 1c54da488cc26e9a28468c7b15909b82 09871-0003-Setup.do - - - 2005-03-11 d3d421ffd67eeebf54086e57af71a077 09871-0003-Setup.sas - - - 1997-12-11 037f34a3d3d4f01dd14c6d8d37cb4552 09871-0003-Setup.sps - - - 1994-06-08 24c8d1a8b5db0a9215d8c536fba38f7b 09871-0003-Supplemental_syntax.do - - - 2005-03-11 c4bfc84c00b39941046ad5e9c6952eb3 09871-0003-Supplemental_syntax.sas - - - 2005-03-11 63111c3b14749c0ac7b141480f6cf9ca DS0004 Form 3 Data Filename Record Record Var. Date MD5 Length Count Count Updated Checksum 09871-0004-Data.dta - 2,585 363 2005-03-11 1f1d88e9ef18788100c6688e2730f4c7 09871-0004-Data.por - 2,585 363 2005-03-11 7e952482e9f56726ad90cafb02fb665e 09871-0004-Data.txt 376 2,585 363 1994-06-08 29514b6ba33bb7c624c39c552cecbe01 09871-0004-Data.xpt - 2,585 363 2005-03-11 c55188a22268d4cb4382a4efbcec9c51 09871-0004-Setup.dct - - - 2005-03-11 7358d75bf73867cdca7a0d84070ea1ac 09871-0004-Setup.do - - - 2005-03-11 889e643c68143e56d26368aceb226208 09871-0004-Setup.sas - - - 1997-12-11 f4cb268afbcea3bea161d17d2e207109 09871-0004-Setup.sps - - - 1994-06-08 9caa60789af31eaca2bf852bed03208c 09871-0004-Supplemental_syntax.do - - - 2005-03-11 48a358a9e6f07dbbbed02b5723b96854 09871-0004-Supplemental_syntax.sas - - - 2005-03-11 44b47c97fd7539213b9077cc16af2a48 DS0005 Form 4 Data Filename Record Record Var. Date MD5 Length Count Count Updated Checksum 09871-0005-Data.dta - 2,556 294 2005-03-11 cd5b515b0212a9a743d8a5ba11271421 09871-0005-Data.por - 2,556 294 2005-03-11 7b8dbf50a36836ceaff70acfac87d510 09871-0005-Data.txt 309 2,556 294 1994-06-08 8b576d40bef480ef6e0b4a48d843394f 09871-0005-Data.xpt - 2,556 294 2005-03-11 74fb1f426373405039cc5d9dc6cc5ecc 09871-0005-Setup.dct - - - 2005-03-11 afc8ee2ed05c7b6a803bf46498229214 09871-0005-Setup.do - - - 2005-03-11 077dfabb6e663688355c03e3370c75a7 09871-0005-Setup.sas - - - 1997-12-11 d37b4891837ec9a89787e1871c692574 09871-0005-Setup.sps - - - 1994-06-08 09849a9297250be527237b5f5de8464a 09871-0005-Supplemental_syntax.do - - - 2005-03-11 2f37436d9b629505918e875818ad1201 09871-0005-Supplemental_syntax.sas - - - 2005-03-11 5aeb7dacee6ed264190aeca5fcfc89f4 DS0006 Form 5 Data Filename Record Record Var. Date MD5 Length Count Count Updated Checksum 09871-0006-Data.dta - 2,593 320 2005-03-11 4fef542a7b52c79d0d9b60f4ee967647 09871-0006-Data.por - 2,593 320 2005-03-11 018cad95f5544e028ff9f28aafd2f2cd 09871-0006-Data.txt 333 2,593 320 1994-06-08 89dadff86e6db465ca6155fc99532d1d 09871-0006-Data.xpt - 2,593 320 2005-03-11 cbe1f03a1feb31d0d000b23bae2d2f9f 09871-0006-Setup.dct - - - 2005-03-11 488932584e28128de78ef2b34cba45b1 09871-0006-Setup.do - - - 2005-03-11 b776d6baf2d02d77ed06d820271cb7aa 09871-0006-Setup.sas - - - 1997-12-11 1a068b76be47e8dd8fb976f3a888425a 09871-0006-Setup.sps - - - 1994-06-08 0940fc2793cdd10d6a1525cb982787f2 09871-0006-Supplemental_syntax.do - - - 2005-03-11 53c13decb2dadf43f5a748c82df994c7 09871-0006-Supplemental_syntax.sas - - - 2005-03-11 e99effc2bca0819b151ddd8ed1b458ba DS0007 Form 6 Data Filename Record Record Var. Date MD5 Length Count Count Updated Checksum 09871-0007-Data.dta - 2,605 372 2005-03-11 d7b82307141e213ccd20168c6a43c844 09871-0007-Data.por - 2,605 372 2005-03-11 e1fcafcba360767b1586634c44673de8 09871-0007-Data.txt 385 2,605 372 1994-06-08 dcfc55637090baa78671b21623a3e556 09871-0007-Data.xpt - 2,605 372 2005-03-11 23a27752ac61ca6a87d0b3f4d18ac51a 09871-0007-Setup.dct - - - 2005-03-11 ce1ced70d500ec3d2f8d7ff17ce636b9 09871-0007-Setup.do - - - 2005-03-11 fdf1471a1854cf70b2107eb5ad18d551 09871-0007-Setup.sas - - - 1997-12-11 fb2d72301ebc98f53cf72cf9673a8075 09871-0007-Setup.sps - - - 1994-06-08 ad83408cc1c41f3a81413590eb609a97 09871-0007-Supplemental_syntax.do - - - 2005-03-11 b4f13123958d08701442d7afb7a04f9c 09871-0007-Supplemental_syntax.sas - - - 2005-03-11 241eeec14afc4c404c584cfdad9a4a22 Version History 2006-03-30 File CB9871.ALL.PDF was removed from any previous datasets and flagged as a study-level file, so that it will accompany all downloads. 2005-11-04 On 2005-03-14 new files were added to one or more datasets. These files included additional setup files as well as one or more of the following: SAS program, SAS transport, SPSS portable, and Stata system files. The metadata record was revised 2005-11-04 to reflect these additions. 1997-12-12 The codebook is now available as a PDF file.