[' ', 'know"', 'known', 'and', 'vague', 'responses?', '(5)', 'Does', 'the', 'impact', 'of', 'computerization', 'differ', 'by', 'respondent', 'characteristics', 'such', 'as', 'age,', 'sex,', 'race/ethnicity,', 'education,', 'income,', 'computer', 'experience', 'and', 'attitudes,', 'and', 'degree', 'of', 'confidentiality', 'concerns?', 'To', 'address', 'these', 'questions,', 'a', 'national', 'field', 'experiment', '(N', '=', '3,000', 'completed', 'interviews)', 'will', 'be', 'conducted,', 'with', 'random', 'assignment', 'of', 'responaeats', 'aged', '12-34', 'to', 'computerized', 'versus', 'traditional', 'paper-and-pencil', 's¢if-administered', 'answer', 'sheets', 'for', 'drug', 'and', 'alcohol', 'use', 'questions.', 'In', 'the', 'conouter', 'mode,', 'the', 'respondents', 'themselves', 'would', 'read', 'preprogrammed', 'questions', 'on', 'the', 'screen', 'of', 'a', 'laptop', 'computer,', 'and', 'enter', 'their', 'responses', 'on', 'the', 'keyboard.', 'In', 'addition', 'to', 'comparing', 'computerized', 'to', 'paper-and-pencil', 'interviewing,', 'the', 'experimental', 'design', 'will', 'allow', 'for', 'rigorous', 'teating', 'of', 'how', 'the', 'unique', 'features', 'available', 'with', 'computerized', 'survey', 'methods', 'influence', 'data', 'quality.', 'A', 'pilot', 'study', 'in', 'year', '1', 'of', 'the', 'project', '(N', '=300)', 'will', 'be', 'used', 'to', 'evaluate', 'questionnaire', 'construction', 'and', 'content,', 'finalize', 'study', 'design,', 'and', 'debug', 'the', 'programming', 'of', 'the', 'computerized', 'SA0s.', 'Dependent', 'measures', 'will', 'include', 'measures', 'of', 'the', 'frequency,', 'recency,', 'and', 'quantity', 'of', 'use', 'of', 'tobacco,', 'alcohol,', 'marijuana,', 'cocaine', 'and', 'crack,', 'the', 'nonmedical', 'use', 'of', 'prescription', 'drugs,', 'inhalants', 'and', 'other', 'illicit', 'substances.', 'in', 'addition,', 'measures', 'of', 'respondents’', 'perceptions', 'of', 'response', 'anonymity,', 'social', 'distance', 'in', 'the', 'interviewer-respondent', 'relationship,', 'xeapondent', 'beliefs', 'about', 'confidentiality,', 'and', 'respondents’', 'computer', 'experience', 'and', 'attitudes', 'will', 'be', 'included.', '6/7/a44', 'DIALOG(R)File', '266:Fed.', 'Res,', 'in', 'Progress', '(c)', 'format', 'only', '1995', 'Dialog', 'Info.Sves.', 'All', 'rts.', 'reserv.', '0124261', 'IDENTIFYING', 'NO.:', 'SROIDA06609-04', 'AGENCY', 'CODE:', 'CRISP', 'EPIDEMIOLOGICAL', 'STUDY', 'OF', 'MARIJUANA', 'AND', 'HEALTH', 'PRINCIPAL', 'INVESTIGATOR:', 'SIDNEY,', 'STEPHEN', 'or', 'ele', 'KAISER', 'FOUNDATION', 'RESEARCH', 'INS', '3451', 'PIEDMONT', 'AVE', 'OAKLAND,', 'CA', 'PERFORMING', 'ORG.:', 'KAISER', 'FOUNDATION', 'RESEARCH', 'INSTITUTE,', 'OAKLAND,', 'CALIFORNIA', 'SPONSORING', 'ORG.:', 'NATIONAL', 'INSTITUTE', 'ON', 'DRUG', 'ABUSE', 'FY', ':', '94', 'FONDS:', '$213,432', 'TYPE', 'OF', 'AWARD:', 'Noncompeting', 'Continuation', 'SUMMARY', '=:', 'We', 'propose', 'a', 'retrospective', '(historical)', 'cohort', 'study', 'to', 'determine', 'the', 'association', 'of', 'self-reported', 'marijuana', 'use', 'with', 'a', 'variety', 'of', 'health', 'outcomes,', 'including', 'respiratory', 'disorders', 'and', 'injuries.', 'The', 'study', 'cohort', 'is', 'composed', 'of', '79,200', 'members', 'of', 'the', 'Kaiser', 'Permanente', 'Medical', 'Care', 'Program', '(KPMCP)', 'who', 'were', 'age', '15', 'to', '49', 'years', 'when', 'they', 'underwent', 'multiphasic', 'health', 'checkups', 'at', 'two', 'KPMCP', 'facilities', 'between', '1979', 'and', '1986,', 'and', 'completed', 'questionnaires', 'detailing', 'their', 'past', 'and', 'current', 'use', 'of', 'tobacco', 'products', 'and', 'of', 'marijuana.', 'We', 'will', 'ascertain', 'mortality', 'through', '1992', 'using', 'the', 'California', 'Automated', 'Mortality', 'Linkage', 'System', '(CAMLIS).', 'We', 'will', 'ascertain', 'outpatient', 'morbidity', 'during', 'a', 'three-year', 'period', 'after', 'the', 'MHC', 'by', 'review', 'of', 'Kaiser', 'Permanente', 'medical', 'records', 'for', 'doctor', 'visits', 'in', '4,500', 'cohort', 'members.', 'We', 'will', 'perform', 'analyses', 'to', 'determine', 'the', 'relationship', 'of', 'marijuana', 'use', 'to’', 'each', 'of', 'these', 'outcomes.', 'We', 'will', 'compare', 'the', 'relative', 'risks', 'associated', 'with', 'marijuana', 'use', 'across', 'tobacco', 'cigarette', 'use', 'strata', '(current,', 'former,', 'and', 'nonsmoker),', 'and', 'stratify', 'and', 'adjust', 'for', 'other', 'selected', 'variables', 'of', 'interest,', 'such', 'as', 'intensity', 'and', 'duration', 'of', 'marijuana', 'and', 'tobacco', 'cigarette', 'use,', 'and', 'use', 'of', 'alcohol.', 'We', 'will', 'focus', 'particularly', 'on', 'respiratory', 'disorders', 'and', 'injuries', 'for', 'which', 'there', 'are', 'data', 'suggesting', 'an', 'association', 'with', ',', 'marijuana', 'use,', 'but', 'will', 'systematically', 'examine', 'the', 'relationship', 'of', 'marijuana', 'to', 'other', 'categories', 'of', 'disease.', 'The', 'proposed', 'study', 'would', 'be,', 'to', 'our', 'knowledge,', 'the', 'first', 'large-scale', 'cohort', 'study', 'of', 'the', 'relationship', 'of', 'marijuana', 'use', 'to', 'health', 'outcomes,', 'and', 'should', 'contribute', 'greatly', 'to', 'our', 'knowledge', 'of', 'the', 'health', 'effects', 'of', 'marijuana', 'use.', 'The', 'study', 'cohort', 'has', 'large', 'numbers', 'of', 'marijuana', 'users', 'in', 'all', 'the', 'strata', 'of', 'tobacco', 'cigarette', 'use,', 'which', 'will', 'allow', 'us', 'to', 'distinguish', '51148', '2799', 'VS', ' ', ' ']