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The Schools and Families Education (SAFE) Children Study was a randomized control trial designed to test the efficacy of a family-based comprehensive preventive intervention, with children living in inner-city Chicago and entering the 1st grade, for effects on key risk markers for later drug and other substance use.

A total of 11 waves of data were collected over the course of three phases and approximately 13 years. In the spring of 1997, there were 424 kindergarten students and primary caregivers recruited to participate in this study. Wave 1 began while the children were in 1st grade. These data contain survey responses for students, their primary caregivers, and their teachers across 27 datasets.

Phase I of the study was to assess the intervention provided in the 1st grade. Half of the families were randomly selected to receive the intervention. The other half were assigned to the control group. Phase II of the study was set-up to give half of the intervention group a booster, a second intervention training. Lastly, there was a Phase III which sought to assess the long-term affects of the initial and booster interventions.

The first dataset (DS1) provides an overview of the study which includes variables for the study design and survey administration. This first file contains 38 variables.

Survey responses were obtained from students nine times beginning in 1st grade and ending in 12th grade. Children were not surveyed in waves 3 and 7. The student survey response data are in DS2 through DS10. The datasets for waves 1, 2, 4, and 5 contain only 50 variables. Waves 6, 8, and 9 contain 424 variables. Waves 10 and 11 contain 1,394 variables. Each of the three phases contain almost identical variables within their respective waves.

The children's primary caregivers were also surveyed nine times over the survey period. Primary caregivers were not surveyed in waves 3 and 7. These data are contained in DS11 through DS19. The primary caregiver files vary in the number and content of variables. On average each wave contains about 1,060 variables with a low of 470 on up to a high of 1,435.

Teachers were surveyed during each of the first eight waves of the study. The teacher data are in DS20 through DS27. Waves 1 and 2 contain just over 120 variables. Waves 3, 4, and 5 contain 145 variables. And waves 6, 7, and 8 contain 173 variables. Each of the three phases contain almost identical variables within their respective waves.

The Washington, DC, Metropolitan Area Drug Study (DC*MADS) was conducted in 1991, and included special analyses of homeless and transient delivering live births in the DC hospitals. DC*MADS was undertaken to assess the full extent of the drug problem in one metropolitan area. The study was comprised of 16 separate studies that focused on different sub-groups, many of which are typically not included or are underrepresented in household surveys.

The DC*MADS: Drug Use Among Women Delivering Livebirths in DC Hospitals was designed to examine the nature and extent of drug use among women delivering live births in eight Washington, DC, hospitals participating in the study. Data from the questionnaires include prenatal care, health problems during pregnancy, pregnancy drug use history, needle use, polysubstance use, patterns of use, respondent's general experiences with drug use, including perceptions of the risks and consequences of use, occurrence of psychological and emotional problems, income and insurance coverage, treatment experiences, and maternal and infant outcomes. Medical records were abstracted from the women and their infants to document medical problems. Abstracted data on the mothers included demographics, discharge diagnoses, disposition at discharge, and results of urine screens. Abstracted data on infants included delivery information, status at discharge, discharge diagnoses/procedures, and first urine toxicology screen results.