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At least 469 records · Page 26Linked to original sources
PubMed2004

Michigan's graduated driver licensing program: evaluation of the first four years.

INTRODUCTION: To evaluate the four-year outcome of Michigan's graduated driver licensing (GDL) program, motor-vehicle crash data for 16-year-old drivers in 1996 (pre-GDL), and 1998-2001 (post-GDL) were analyzed. METHOD: Relative risks and 95% confidence intervals for several crash types were computed, and pre-post-GDL population-based crash rates were compared. Reductions in crash risks among 16-year-olds previously found in 1998 and 1999 were generally maintained in 2000 and 2001. RESULTS: Reductions in crash risk among 16-year-olds from 1996 to 2001 were 29% for all, 44% for fatal, 38% each for nonfatal-injury and fatal-plus-nonfatal-injury, 32% for day, 31% for evening, 59% for night, 32% for single-vehicle, and 28% for multi-vehicle crashes. Even after adjusting for more general population-wide changes among drivers 25 years and older that might have contributed to changes in 16-year-old crash risk, reductions remained impressive (19% for all crashes in 2001). IMPACT ON INDUSTRY: As one approach to reducing teenage motor-vehicle morbidity and mortality, GDL remains promising.

Accidents, Traffic↗
PubMed1987

Survival analysis in drug program evaluation. Part II. Partitioning treatment effects.

Survivorship analysis is applied to both a summative process (during treatment) and a summative outcome (after discharge) evaluation comparing data obtained from 297 admissions to multiple-site methadone maintenance programs in three California counties. Measures included rates of retention, incarceration, addiction, crime, dealing, and loss of employment. In order to take full advantage of the multiple outcome measures that were used, a method for within-subject simultaneous consideration of all outcome measures is presented. This method is an adaptation of the Friedman nonparametric analysis of variance and a Bonferroni post hoc comparison of the mean ranks.

Crime↗
PubMed2004

Assessment of the health status in the Massa Lombarda cohort: a preliminary description of the program evaluating cardio-cerebro-vascular disease risk factors and quality of life in an elderly population.

The Massa Lombarda program (MLP) is the first step of a European multi-center program, promoted and coordinated from Bologna University's Academic Spin off Health Research and Development, which attempts to manage advanced sanitary research in general population. The instant individual definition (IID) study is the first phase of the program concerning the study of risk factors (RF) and early diagnosis of coronary heart disease (CHD), through a new diagnostic technology called myocardial perfusion scoring system (MPS). The study consists of a longitudinal observational epidemiological investigation of adult population (above 25 years of age) resident in Massa Lombarda (Ravenna), with the survey of social and biological parameters. The elderly part of the population (1000 subjects above 75 years) was submitted to a more complex analysis, as part of the study on health status in European aging populations, aimed at revealing the determinants influencing the healthy aging, and at identifying their impact on mortality,cardiovascular and respiratory morbidity, disability and decline of quality of life. Laboratory analyses were aimed at identifying the following factors: (i) Genetic markers related to pro and anti-inflammatory cytokine- codifying genes. (ii) Oxidative stress-involved molecules,and inflammation-involved genes, and more in general genes involved in the brittleness(iii) (ApoE). Appraising the degree of interaction with non-genetic factors, like measurable immunological markers in the peripheral blood, markers of reactions to oxidative stress,evaluation of metabolic parameters. Moreover, old population is expected to answer the questionnaires for evaluation of the dietary habits, physical activity, self-sufficiency,cognitive ability, motor coordination, perceived stress and social relationships.

Aged↗
PubMed1975

[The Caceres-USPHS (version HP-3) computer program. Evaluation of automatic analysis of 40,000 ECG (author's transl)].

The main features of Caceres-USPHS (version HP-3) program for automatic analysis of the ECG are reviewed. Our experience at the Ospedale Regionale di Udine has now reached a total of 40,000 tracings analyzed by such a program and with an HP 1530-A computer system. In a detailed study of 1,000 consecutive computer-analyzed tracings reviewed by three experienced cardiologists, 534 were normal and 466 abnormal. A high degree of specificity was detected in the normal group (only 1.5% of false negatives) while the sensivity was rather low. In the abnormal group there were 18.1% of false positives and while the agreement was 100% in complete bundle branch block and some types of infarction, it was 56% in atrial fibrillation and 47% in incomplete right bundle branch block. Program errors were more common in measurements and pattern recognition; they were unusual in the program logic (0.3%). A significant improvement over comparable data obtained one year previously was attributed to a better quality control in data recording and to increase physician acceptance of the program diagnostic criteria. On the current and past figures of accuracy, it is concluded that the version HP-3 of Caceres-USPHS program represents a step forward in computer-derived ECG interpretation. However more progress is still needed for a larger and more profitable clinical application of this ECG computer program.

Computers↗
PubMed2005

Design and rationale of the MICHELANGELO Organization to Assess Strategies in Acute Ischemic Syndromes (OASIS)-5 trial program evaluating fondaparinux, a synthetic factor Xa inhibitor, in patients with non-ST-segment elevation acute coronary syndromes.

BACKGROUND: Factor Xa plays a central role in the generation of thrombin, making it a novel target for treatment of arterial thrombosis. Fondaparinux, a synthetic pentasaccharide, is a factor Xa inhibitor, which has been shown to be superior to enoxaparin for the prevention of venous thrombosis. We designed a large, phase III, randomized trial to evaluate the efficacy and safety of fondaparinux compared with enoxaparin in acute coronary syndromes. STUDY DESIGN: The OASIS-5 trial is a randomized, double-blind trial of fondaparinux versus enoxaparin in 20,000 patients with unstable angina or non-ST-segment elevation myocardial infarction. The primary objective is to determine whether fondaparinux is noninferior to enoxaparin in preventing the composite of death, new myocardial infarction, and refractory ischemia at 9 days (primary outcome) and at 30 days (secondary outcome) after randomization. There will be additional follow-up of all patients for 3 to 6 months after randomization. If noninferiority is established at 9 days, superiority will be tested. The primary safety outcome is to evaluate the rates of major bleeds in the 2 groups with the balance of benefit and risk assessed by comparing the impact on the composite of the primary and safety outcomes. Secondary outcomes are each component of the composite primary outcome separately at days 9, 30, and up to 6 months. The TIMACS, a major substudy using a partial 2x2 factorial design evaluating whether early angiography and intervention (within 24 hours) are superior to a more delayed approach (after 36 hours) in reducing major ischemic events at 6 months after randomization. CONCLUSIONS: The MICHELANGELO OASIS 5 program will provide a comprehensive and reliable evaluation of fondaparinux in a broad spectrum of patients with ACS.

Acute Disease↗
PubMed2002

Characteristics of Mexican-American elders with dementia presenting to a community-based memory evaluation program.

OBJECTIVE: To determine sociodemographic characteristics associated with the initial presentation of Mexican-American elders to a community-based memory evaluation clinic. METHODS: Retrospective review of the charts of 89 Mexican Americans presenting consecutively to an outpatient memory evaluation clinic in San Antonio, Texas. PRINCIPAL FINDINGS: Mexican Americans presented for evaluation with more moderate-to-severe cognitive impairment than previously reported. They also tended to have high levels of IADL (83.1%) and gait/balance (52.3%) impairment, as well as high levels of depressive symptoms (63.1%). CONCLUSIONS: Mexican Americans present for initial evaluation for memory decline with moderate-to-severe cognitive decline and significant dementia-associated co-morbidities. In Mexican Americans, caregiver burden, fall risks, depressive symptoms, and need for IADL support should be addressed on the initial visit for memory decline.

Aged↗
PubMed1989

Supported employment program evaluation: evaluating degree of implementation and selected outcomes.

The relation between the degree to which adult service agencies implemented supported employment and selected program outcomes was examined. Supported employment programs developed by adult vocational service agencies in Illinois served as the subject pool for data collection. Results indicated that clients with higher IQs received less complete support services but earned higher wages. Vocational service agencies that spent more time developing jobs seemed better at matching job requirements with clients' skills.

Employment↗
PubMed1995

Recruitment to a university alcohol program: evaluation of social marketing theory and stepped approach model.

BACKGROUND: This study was a first initiative to evaluate the application of social marketing theory (SMT) to increase attendance at an alcohol abuse education program for university residence hall students and to ascertain whether aggressive recruitment strategies are necessary as part of the stepped approach model (SAM) of service delivery. METHOD: SMT and public health strategies that include focus groups, in-depth interviews, and intercept interviews were used to develop recruitment materials in a Test Hall. These new recruitment materials were introduced to the residents in the Treatment Hall (N = 727) and were compared to the Usual Care, Control Hall (N = 706) which received the recruitment materials normally provided to residents as well as to three Historical Halls separately and combined which had used the Usual Care recruitment materials in the past. RESULTS: The Treatment Hall percentage attendance was significantly superior (0.001 < p < 0.05) in all comparisons. The percentage attendance did not differ significantly from marketing literature expectations. The projections for campus-wide attendance for residence hall students were between 207 and 243 participants and for nationwide attendance, 36,900 +/- 8,185. CONCLUSIONS: The results suggest that the SMT and public health methods used are helpful in developing recruitment strategies and are an important initial step of the SAM and that a "minimal intervention" recruitment strategy is a cost-effective approach that can have a dramatic impact.

Adolescent↗
PubMed1996

Pediatric drug development: a perspective from the Cancer Therapy Evaluation Program (CTEP) of the National Cancer Institute (NCI).

Well-designed and carefully conducted pediatric phase 1 trials are critical to the process of evaluating new agents for potential benefit in children with cancer, and the National Cancer Institute (NCI) has for a number of years sponsored pediatric phase I trials. The development of new agents for children with cancer differs in important ways from drug development for adults with cancer, primarily necessitated by the smaller number of children eligible for phase I trials in comparison to adults. Pediatric drug development is characterized by a greater need to prioritize new agents for evaluation, since many more agents can be evaluated in adults than can be evaluated in children. Pediatric phase I trials are also commonly conducted as multi-institutional collaborations, since most single institutions do not have enough eligible patients to complete phase I trials within a reasonable time. In addition, pediatric phase I trials begin at doses close to the adult maximum tolerated dose, thereby minimizing the number of patients required to complete pediatric phase I trials. While pediatric phase I trials have traditionally evaluated conventional cytotoxic agents, new classes of agents with distinctive mechanisms of action are entering clinical evaluation. These agents target specific cellular proteins (e.g., protein tyrosine kinases, protein kinase C isoforms, enzymes involved in controlling progression through the cell cycle). Determining whether these agents with specificity for critical cellular proteins will be effective anti-cancer agents will be an important objective of pediatric clinical investigations in the coming years.

Antineoplastic Agents↗
PubMed1996

Evaluation of live attenuated influenza vaccines in children 6-18 months of age: safety, immunogenicity, and efficacy. National Institute of Allergy and Infectious Diseases, Vaccine and Treatment Evaluation Program and the Wyeth-Ayerst ca Influenza Vaccine Investigators Group.

Live attenuated, cold-adapted (ca) monovalent and bivalent influenza A vaccines were evaluated in seronegative infants (ages 6-18 months) in a double-blind placebo-controlled trial to assess safety and immunogenicity. A total of 182 seronegative subjects received a single intranasal dose (10(6.2) TCID50) of ca A/Kawasaki/9/86 (H1N1) or ca A/Los Angeles/2/87 (H3N2), both as a bivalent vaccine, or placebo. Respiratory and systemic symptoms did not differ between groups after vaccination. Hemagglutination antibody seroconversions (> or = 1:8) to H3N2 exceeded 90%. In contrast, seroconversions to A/Kawasaki/9/86 (H1N1) were significantly less frequent in bivalent ca vaccine recipients (31%) than in monovalent ca H1N1 recipients (83%) (P < .002). During a subsequent H3N2 epidemic, nasal washes were cultured for viruses from any subject with respiratory illness. H3N2 infections documented by virus isolation were reduced by 65% in ca H3N2 recipients compared with placebo or ca HIM recipients (P = .01).

Adaptation, Physiological↗