13,841 research outputs found

    Substance Use Among Lesbian, Gay, and Bisexual Clients Entering Substance Abuse Treatment: Comparisons to Heterosexual Clients

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    Objective: This study evaluated whether sexual orientation-specific differences in substance use behaviors exist among adults entering substance abuse treatment. Method: Admissions records (July 2007–December 2009) were examined for treatment programs in San Francisco, California receiving government funding. Lesbian, gay, and bisexual (LGB) persons (n = 1,441) were compared to heterosexual persons (n = 11,770) separately by sex, examining primary problem substance of abuse, route of administration, age of first use, and frequency of use prior to treatment. Results: Regarding bisexual males, the only significant finding of note was greater prevalence of methamphetamine as the primary substance of abuse. When compared to heterosexual men, gay and bisexual men evidenced greater rates of primary problem methamphetamine use (44.5% and 21.8%, respectively, vs. 7.7%, adjusted odds ratios [ORs] 6.43 and 2.94), and there was lower primary heroin use among gay men (9.3% vs. 25.8%, OR 0.35). Among LGB individuals, race and ethnicity did not predict primary problem substance, except that among LGB men and women, a non-White race predicted cocaine use (OR 4.83 and 6.40, respectively), and among lesbian and bisexual women, Hispanic ethnicity predicted lower odds of primary cocaine use (OR 0.24). When compared to heterosexual men, gay men were more likely to smoke their primary problem substance (OR 1.61), first used this substance at an older age (M = 23.16 vs. M = 18.55, p \u3c .001), and used this substance fewer days prior to treatment (M = 8.75 vs. M = 11.41, p \u3c .001). There were no differences between heterosexual and lesbian or bisexual women. Conclusions: There were unique patterns of substance use for gay and bisexual men entering substance abuse treatment, but women did not evidence differences. Gay men evidenced unique factors that may reflect less severity of use when entering treatment including fewer days of use and a later age of initiation of their primary problem substances. The results underscore the importance of being sensitive to differences between gay, bisexual, and heterosexual males when considering substance use disorders

    Connecting Alaskans: mixed-use safety and accessibility challenges in rural environments

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    Thesis (M.S.) University of Alaska Fairbanks, 2017Connectivity in transportation networks, or lack thereof, is a challenge that many people have to deal with. Alaska has many rural communities that are inaccessible by conventional modes of transportation. In order for people to reach these communities and move between them unconventional modes of transportation are needed. However, very few studies have been done on unconventional transportation modes such as ATVs and snowmachines and the level to which they contribute to connecting people and how to help limit traumatic injuries of users. This study focuses on Alaska and three primary datasets. First, the Pacific North West Transportation Survey developed by the University of Alaska Fairbanks and the University of Idaho. Second, Alaska Trauma Registry data obtained from Division of Public Health and Safety. Thirdly, publicly available GIS transportation network and populated place data. These three data sets accomplish the following objectives: (1) document preferences and perceptions of mixed-use safety, (2) to better understand the reasons for injuries and fatalities involving ATVs and snowmachines, and (3) to identify potential mixed-use conflict areas by geographic mapping of traumas. From this analysis a better understanding of ATV mode use was discovered. ATVs are used for a variety of trip purposes including: commuting, running errands, chores, and recreation. ATVs are used on and near roadways 24% of the time. There are twice as many ATV-related traumas in connected places than in isolated places, and 3 times more ATV related traumas in highway connected places than secondary road connected places. Snowmachines are used on and near roadways 23% of the time and have 3 times as many traumas in highway connected places than secondary road connected places. Highway connected places have a significantly higher risk of having ATV and snowmachine traumas than road connected places. This indicates that part of the issue could be the amount of traffic in connected areas, or perhaps the frequency of use of ATVs rather than automobiles in non-connected areas leading to fewer mixed-use scenarios

    The Cummins Engine Company Dislocated Worker Project

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    Serving students from a distance: A content analysis of persistent characteristics in distance learners

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    Distance learning has experienced a noteworthy increase in both the number of institutions offering alternatives to traditional classroom instruction, and the number of students participating in the various distant modalities. Accompanying the increase of students utilizing distance learning is the subsequent increase in students leaving their studies before completion. These two opposing increases have elevated the need to address retention in distance learning and specifically, online distance learning. This study utilizes the results of a Transfer Student Survey administered to criminal justice and nursing online students between 2006 and 2008. Survey results were used to determine if specific traits of persisters and non-persisters could be identified, in an effort to shine light on potential services that could be utilized to reverse attrition.;This quasi-qualitative study of online distance learners revealed some characteristic differences between persisters and non-persisters as well as between the majors of study. Outcomes of the survey were subdivided by nursing persisters and non-persisters, criminal justice persisters and non-persisters, and aggregate persisters and non-persisters. This data was further scrutinized by frequency of response as well as by mean and median scores. From that point, differences that might not have been evident through quantitative review were able to be brought to the forefront. Consequential conclusions were then utilized to provide recommendations to the institution regarding services that could be beneficial to overcome areas of deficiency with the ultimate goal of improving retention among distance learners. Additionally, suggestions were made pertaining to the challenges experienced by the limitations of the Transfer Student Survey.;Further study of distance learners, particularly in varying majors, is needed to ascertain whether there is a connection between field of study and attrition. Furthermore, results of this study alluded to time constraints and lack of priority being placed on studies as potential causes of departure. Additional research of distance learners should be done that supports or disputes these findings

    Fault-tolerant Quantum Communication with Minimal Physical Requirements

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    We describe a novel protocol for a quantum repeater which enables long distance quantum communication through realistic, lossy photonic channels. Contrary to previous proposals, our protocol incorporates active purification of arbitrary errors at each step of the protocol using only two qubits at each repeater station. Because of these minimal physical requirements, the present protocol can be realized in simple physical systems such as solid-state single photon emitters. As an example, we show how nitrogen vacancy color centers in diamond can be used to implement the protocol, using the nuclear and electronic spin to form the two qubits.Comment: 4 pages, 3 figures. V2: Minor modifications. V3: Major changes in the presentation and new titl

    Prenatal exposure to selective serotonin reuptake inhibitors and childhood overweight at 7 years of age

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    Abstract not availableLuke E. Grzeskowiak, Andrew L. Gilbert, Thorkild I. A. Sørensen, Jørn Olsen, Henrik T. Sørensen, Lars H. Pedersen, Janna L. Morriso
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