IN 1977, 1,007 MALES AND 131 FEMALES WERE DISCHARGED FROM MASSACHUSETTS CORRECTIONAL INSTITUTIONS. INFORMATION OBTAINED ON INMATE CHARACTERISTICS AND RECIDIVISM INCLUDED RELEASE VARIABLES (TYPE OF RELEASE, TIME SERVED WITH JAIL CREDITS, AND AGE AT RELEASE); NATURE OF PRESENT OFFENSE (COMMITTING INSTITUTION, OFFENSE CATEGORY, MINIMUM/MAXIMUM SENTENCE, JAIL CREDITS, COURT FROM WHICH COMMITTED, AND AGE AT INCARCERATION); PERSONAL BACKGROUND VARIABLES (SEX, PRIOR ADDRESS, LAST GRADE COMPLETED, TIME AT JOB OF LONGEST DURATION, TIME AT MOST SKILLED JOB POSITION, OCCUPATIONAL FIELD, MILITARY DISCHARGE, DRUG USE, MARITAL STATUS, AND RACE); CRIMINAL HISTORY (AGE AT FIRST ARREST, TOTAL NUMBER OF COURT APPEARANCES, PRIOR CHARGES, PRIOR INCARCERATIONS, PRIOR JUVENILE/ADULT PAROLES, AND PRIOR PAROLE VIOLATIONS); FURLOUGH VARIABLES (TOTAL NUMBER OF FURLOUGHS AND NUMBER OF SUCCESSFUL, ESCAPE, OR ARREST FURLOUGH OUTCOMES); AND RELEASE FOLLOWUP VARIABLES (TYPE OF RETURN, MONTHS BEFORE WARRANT ISSUED, NEW OFFENSE, AND DISPOSITION OF NEW ARREST). THE TABLES CONTAIN TWO TYPES OF INFORMATION; (1) STATISTICAL DATA DESCRIBING THE CHARACTERISTICS OF THE RELEASED INMATES AND (2) THE RATES OF RECIDIVISM CROSS-TABULATED WITH CATEGORIES OF THE STATISTICAL DATA FOR THESE INDIVIDUALS. STATISTICS ARE GIVEN FOR MEN DISCHARGED FROM 5 CORRECTIONAL INSTITUTIONS, 3 FORESTRY CAMPS, 7 DRUG REHABILITATION PRERELEASE FACILITIES, 14 PRERELEASE CENTERS, AND 4 OTHER FACILITIES (HOSPITAL, RECEPTION DIAGNOSTIC CENTER, HOSPITAL FOR THE CRIMINALLY INSANE, AND TREATMENT CENTER FOR SEXUALLY DANGEROUS PERSONS). STATISTICS ARE ALSO GIVEN FOR WOMEN RELEASED FROM A CORRECTIONAL INSTITUTION AND TWO PRERELEASE CENTERS. FOR AN ANALYSIS SEE NCJ 63860. (DEP)