Rachel M. Deacon

OH Maser Observations of Likely Planetary Nebulae Precursors

We present OH maser observations at 1612, 1665, 1667, and 1720 MHz for 86 likely post-asymptotic giant branch (post-AGB) stars selected from a survey of 1612 MHz maser sources in the Galactic plane. The observations were taken with the Parkes Telescope and the Australia Telescope Compact Array between 2002 September and 2003 August. Post-AGB stars are the precursors to planetary nebulae, the diverse morphological range of which is unexplained. The maser observations were taken to investigate the onset and incidence of stellar wind asymmetries during the post-AGB phase. We redetected all 86 sources at 1612 MHz, while 27 sources were detected at 1665 MHz and 45 at 1667 MHz. One source was redetected at 1720 MHz. We present a classification scheme for the maser profiles and show that 25% of sources in our sample are likely to have asymmetric or bipolar outflows. From a comparison of the maser and far-infrared properties we find that there is a likely evolutionary trend in the shape of the maser profiles with some sources evolving from double-peaked to irregular to fully bipolar profiles. A subset of higher mass sources stand out as having almost no mainline emission and generally double-peaked profiles. At least 30% of sources in the sample have variable peak flux intensities at one or more of the frequencies observed. We also confirm a previously noted 1667 MHz overshoot phenomenon.

Radio observations of the planetary nebula around the OH/IR star OH 354.88-0.54 (V1018 Sco)

We present radio observations of the unique, recently formed, planetary nebula (PN) associated with a very long-period OH/IR variable star V1018 Sco that is unequivocally still in its asymptotic giant branch phase. Two regions within the optical nebula are clearly detected in nonthermal radio continuum emission, with radio spectral indices comparable to those seen in colliding-wind Wolf-Rayet binaries. We suggest that these represent shocked interactions between the hot, fast stellar wind and the cold nebular shell that represents the PN’s slow wind moving away from the central star. This same interface produces both synchrotron radio continuum and the optical PN emission. The fast wind is neither spherical in geometry nor aligned with any obvious optical or radio axis. We also report the detection of transient H2O maser emission in this nebula.

Alprazolam use and related harm among opioid substitution treatment clients – 12 months follow up after regulatory rescheduling

BACKGROUND Alprazolam, has been associated with disproportionate harms compared to other benzodiazepines, especially among people in opioid substitution treatment (OST). We examine the effect of the rescheduling of alprazolam in Australia, from Schedule 4 to Schedule 8 in February 2014 amongst a high-risk population of clients in OST. METHODS OST participants who reported recent (last month) alprazolam use were recruited from three Sydney clinics. Participants (n=57) were interviewed immediately prior to rescheduling and again three months and 12 months after rescheduling. We examined self-reported patterns of drug use, drug availability, mental and physical health. A linear mixed models approach was used to analyse changes in alprazolam and other benzodiazepine use. RESULTS Mean days of alprazolam use in the past 28 days decreased from 13.7 to 7.1 days, and mean weekly alprazolam dose decreased from 15.1mg to 6.1mg at 12 months follow-up (p=0.001). Total weekly benzodiazepine use also reduced from a mean of 222mg diazepam equivalent to 157mg (p=0.044). Other substance use did not change significantly. Reported mode of cost price of street alprazolam doubled from

The social and cultural significance of women’s sexual identities should guide health promotion: an analysis of the Sydney Women and Sexual Health (SWASH) survey

5 to

Pap smear rates among Australian community-attached lesbian and bisexual women: some good news but disparities persist.

10 over the 12-month period. CONCLUSION Alprazolam rescheduling resulted in an overall reduction in alprazolam and total benzodiazepine use, without substitution with other drugs, in the short term. Unintended harms were not observed. Rescheduling appears to have been effective in reducing alprazolam use in this high-risk population.

The Social and Cultural Significance of Women's Sexual Identities Should Guide Health Promotion.

PURPOSE Our analysis aimed to identify the major risk behaviors and health issues for young lesbian, bisexual and queer women, and combine this with lifestyle and community engagement data to guide targeted health promotion for these groups. METHODS We conducted statistical analysis of 379 self-complete surveys from women aged 17-30 years attending lesbian, gay, bisexual, trans, and queer (LGBTQ) community events during the Sydney Gay and Lesbian Mardi Gras Festival period in February 2010 and 2012. RESULTS We found concerning rates of tobacco, alcohol, and illicit drug use across all groups; a mental illness diagnosis and formal psychological support access were common. Queer women had the highest rates of illicit drug use, experiences of sexual coercion, and anti-LGBTQ discrimination. They were also the most proactive with their health. Bisexual women had low STI testing despite having high rates of sexual activity with both men and women. Lesbian women had the poorest uptake of Pap smears and STI testing. CONCLUSION Findings demonstrate that meaningful sexual behavior is irrelevant for the majority of health disparities affecting sexual minority women. Meaningful engagement with contemporary sexual identities and their local social and cultural significance is essential for the development of appropriate and effective targeted public health interventions.Abstract Purpose: Our analysis aimed to identify the major risk behaviors and health issues for young lesbian, bisexual and queer women, and combine this with lifestyle and community engagement data to guide targeted health promotion for these groups. Methods: We conducted statistical analysis of 379 self-complete surveys from women aged 17–30 years attending lesbian, gay, bisexual, trans, and queer (LGBTQ) community events during the Sydney Gay and Lesbian Mardi Gras Festival period in February 2010 and 2012. Results: We found concerning rates of tobacco, alcohol, and illicit drug use across all groups; a mental illness diagnosis and formal psychological support access were common. Queer women had the highest rates of illicit drug use, experiences of sexual coercion, and anti-LGBTQ discrimination. They were also the most proactive with their health. Bisexual women had low STI testing despite having high rates of sexual activity with both men and women. Lesbian women had the poorest uptake of Pap smears a...

Smoking prevalence among lesbian, bisexual and queer women in Sydney remains high: Analysis of trends and correlates

UNLABELLED Background Research in the US and UK shows that lesbian women are less likely than their heterosexual peers to attend for routine Pap smear tests. This study examined Pap smear test rates among community-attached lesbian, bisexual and queer (LBQ) women in New South Wales (NSW), to investigate if rates had changed between 2002 and 2012, compare rates to the general NSW population and identify predictive factors for Pap smear test attendance. METHODS Data was taken from the Sydney Women and Sexual Health (SWASH) survey, a self-completed biennial questionnaire of LBQ womens health and wellbeing. RESULTS Of the 4083 respondents, 83% had ever had a Pap smear test. Recent attendance rates were similar to the general NSW population. Significant predictors for ever having attended for a Pap smear test were older age, post Year 12 education, ever having had a sexually transmissible infection test, being out about sexuality to a regular doctor and ever having had sex with men. CONCLUSIONS Pap smear rates for LBQ women are encouraging when compared with rates from countries such as the US or UK. A significant proportion of LBQ women are never receiving Pap smear tests. Predictive factors suggest a continued perception that women who have not had sex with men are not at risk of human papillomavirus, and highlight the importance of health providers providing a safe and welcoming environment for LBQ women to openly discuss their health.

Feasibility of ambulatory withdrawal management delivered in a NSW drug health service and correlates of completion

PURPOSE Our analysis aimed to identify the major risk behaviors and health issues for young lesbian, bisexual and queer women, and combine this with lifestyle and community engagement data to guide targeted health promotion for these groups. METHODS We conducted statistical analysis of 379 self-complete surveys from women aged 17-30 years attending lesbian, gay, bisexual, trans, and queer (LGBTQ) community events during the Sydney Gay and Lesbian Mardi Gras Festival period in February 2010 and 2012. RESULTS We found concerning rates of tobacco, alcohol, and illicit drug use across all groups; a mental illness diagnosis and formal psychological support access were common. Queer women had the highest rates of illicit drug use, experiences of sexual coercion, and anti-LGBTQ discrimination. They were also the most proactive with their health. Bisexual women had low STI testing despite having high rates of sexual activity with both men and women. Lesbian women had the poorest uptake of Pap smears and STI testing. CONCLUSION Findings demonstrate that meaningful sexual behavior is irrelevant for the majority of health disparities affecting sexual minority women. Meaningful engagement with contemporary sexual identities and their local social and cultural significance is essential for the development of appropriate and effective targeted public health interventions.Abstract Purpose: Our analysis aimed to identify the major risk behaviors and health issues for young lesbian, bisexual and queer women, and combine this with lifestyle and community engagement data to guide targeted health promotion for these groups. Methods: We conducted statistical analysis of 379 self-complete surveys from women aged 17–30 years attending lesbian, gay, bisexual, trans, and queer (LGBTQ) community events during the Sydney Gay and Lesbian Mardi Gras Festival period in February 2010 and 2012. Results: We found concerning rates of tobacco, alcohol, and illicit drug use across all groups; a mental illness diagnosis and formal psychological support access were common. Queer women had the highest rates of illicit drug use, experiences of sexual coercion, and anti-LGBTQ discrimination. They were also the most proactive with their health. Bisexual women had low STI testing despite having high rates of sexual activity with both men and women. Lesbian women had the poorest uptake of Pap smears a...

OH mainline maser polarisation properties of post-AGB stars

INTRODUCTION AND AIMS To investigate smoking prevalence trends and correlates among lesbian, bisexual and queer-identifying (LBQ) women in Sydney, Australia. DESIGN AND METHODS Data from 5007 respondents to a repeated cross-sectional community survey were used to examine smoking trends between 2004 and 2014. Multinomial logistic regression was used to examine smoking correlates. RESULTS Thirty percent of respondents were current smokers, including 48% of 16 to 24-year-olds. A slight decrease in all-ages smoking over time was not reflected in the youngest age group. LBQ women who smoke have fewer economic, social and psychological resources than both women who never smoke and ex-smokers. High levels of alcohol and illicit drug use are also correlated with current smoking. DISCUSSION AND CONCLUSIONS Population-wide interventions have failed to address the persistently high prevalence of smoking among this sample of LBQ women. Tailored interventions may find utility focusing on personal resilience to deal with general and sexuality-specific stressors, as well as attending to poly-substance use. Acknowledgment of LBQ women as a priority group for tobacco reduction is urgently needed. We call on tobacco control agencies to consider sexuality and gender orientation in policy and partner with lesbian, gay, bisexual and transgender community organisations to develop culturally appropriate interventions. [Deacon RM, Mooney-Somers J Smoking prevalence among lesbian, bisexual and queer women in Sydney remains high: Analysis of trends and correlates Drug Alcohol Rev 2017;36:546-554].

H2O Maser Observations of Candidate Post-AGB Stars and Discovery of Three High-Velocity Water Sources

OBJECTIVE The aim of the present study was to assess short-term ambulatory withdrawal management (AWM) outcomes at a drug health service (DHS) in Sydney, Australia, in the absence of specific funding. METHODS A clinic file audit review was conducted of patients who commenced AWM at the service during January 2009-June 2011. Successful completion was defined as daily attendance with ≤1 missed day, or transfer onto opioid substitution treatment. RESULTS Of 110 episodes, 69 (63%) were completed. Median patient age was 35 years (range 18-71 years), and most patients (68%) were male. Patients presented primarily for cannabis (33%) or alcohol (30%) withdrawal, followed by heroin (19%) or other opioids (6%), and benzodiazepines (12%). Completion rates varied from 86% for non-heroin opioids to 31% for benzodiazepines. Older age was associated with increased completion: 76% of those aged >35 years completed compared with 50% of those ≤35 years of age. Only 46% of women who commenced withdrawal management completed compared with 71% of men. CONCLUSIONS Most people commencing AWM at the DHS completed the program, indicating AWM can be performed at public drug and alcohol clinics. Service improvements may help increase completion rates among women and patients withdrawing from benzodiazepines. What is known about the topic? WM is not a standalone treatment for substance dependence, but is commonly a first attempt at treatment. AWM is often more acceptable to patients, and cheaper, than in-patient services. What does this paper add? About two-thirds of patients entering an AWM program operating since 2001 continue to complete the program. What are the implications for practitioners? AWM can be carried out successfully through public drug and alcohol services, although clinic staff support is important.