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Articles 31 - 60 of 112

Full-Text Articles in Social and Behavioral Sciences

Perceived Value Of Using Energy Efficiently Among Low-Income Older Residents, Katherine A. Butler, Ross Gordon, Katherine Roggeveen, Gordon R. Waitt, Paul Cooper Jan 2015

Perceived Value Of Using Energy Efficiently Among Low-Income Older Residents, Katherine A. Butler, Ross Gordon, Katherine Roggeveen, Gordon R. Waitt, Paul Cooper

Faculty of Social Sciences - Papers (Archive)

Abstract presented at the World Social Marketing Conference, 19-21 April 2015, Sydney, Australia


An Assessment Of Dental Caries Among Young Aboriginal Children In New South Wales, Australia: A Cross-Sectional Study, Leanne Smith, Anthony Blinkhorn, Rachael Moir, Ngiare J. Brown, Fiona Blinkhorn Jan 2015

An Assessment Of Dental Caries Among Young Aboriginal Children In New South Wales, Australia: A Cross-Sectional Study, Leanne Smith, Anthony Blinkhorn, Rachael Moir, Ngiare J. Brown, Fiona Blinkhorn

Faculty of Social Sciences - Papers (Archive)

Background: Limited research has been undertaken in Australia to assess the dental status of pre-school Aboriginal children. This cross-sectional study records the number of decayed, missing and filled teeth (dmft) and surfaces (dmfs) of pre-school Aboriginal children living in different locations in New South Wales (NSW), Australia. Methods: A convenience sample of young children from seven Aboriginal communities in rural, remote and metropolitan areas of NSW, was recruited. One calibrated examiner recorded the dmft/s of children with written parental consent. Results: 196 children were invited to participate and 173 children aged two to five years were examined, a response rate …


The Use Of Paracetamol (Acetaminophen) Among A Community Sample Of People With Chronic Non‐Cancer Pain Prescribed Opioids, Bianca Hoban, Briony K. Larance, Natasa Gisev, Suzanne Nielsen, Milton Cohen, Raimondo Bruno, Fiona Shand, Nicholas Lintzeris, Wayne Hall, Michael P. Farrell, Louisa Degenhardt Jan 2015

The Use Of Paracetamol (Acetaminophen) Among A Community Sample Of People With Chronic Non‐Cancer Pain Prescribed Opioids, Bianca Hoban, Briony K. Larance, Natasa Gisev, Suzanne Nielsen, Milton Cohen, Raimondo Bruno, Fiona Shand, Nicholas Lintzeris, Wayne Hall, Michael P. Farrell, Louisa Degenhardt

Faculty of Social Sciences - Papers (Archive)

Background

The regular use of simple analgesics in addition to opioids such as paracetamol (or acetaminophen) is recommended for persistent pain to enhance analgesia. Few studies have examined the frequency and doses of paracetamol among people with chronic non‐cancer pain including use above the recommended maximum daily dose.

Aims

To assess (i) the prevalence of paracetamol use among people with chronic non‐cancer pain prescribed opioids, (ii) assess the prevalence of paracetamol use above the recommended maximum daily dose and (iii) assess correlates of people who used paracetamol above the recommended maximum daily dose including: age, gender, income, education, pain severity …


Hptn 062: A Pilot Randomized Controlled Trial Exploring The Effect Of A Motivational-Interviewing Intervention On Sexual Behavior Among Individuals With Acute Hiv Infection In Lilongwe, Malawi, Audrey Pettifor, Amy Corneli, Gift Kamanga, Kevin Mckenna, Nora Rosenberg, Xuesong Yu, San-San Ou, Cecilia Massa, Patricia Wiyo, Diana Lynn, Jenae Tharaldson, Carol Golin, Irving Hoffman, Catherine L. Mac Phail Jan 2015

Hptn 062: A Pilot Randomized Controlled Trial Exploring The Effect Of A Motivational-Interviewing Intervention On Sexual Behavior Among Individuals With Acute Hiv Infection In Lilongwe, Malawi, Audrey Pettifor, Amy Corneli, Gift Kamanga, Kevin Mckenna, Nora Rosenberg, Xuesong Yu, San-San Ou, Cecilia Massa, Patricia Wiyo, Diana Lynn, Jenae Tharaldson, Carol Golin, Irving Hoffman, Catherine L. Mac Phail

Faculty of Social Sciences - Papers (Archive)

Objective We pilot tested a Motivational Interviewing (MI) -based counseling intervention for individuals with Acute HIV Infection (AHI) to reduce risky sexual behavior in Lilongwe, Malawi. Methods Twenty-eight individuals diagnosed with AHI were randomized to receive either brief education alone, or the brief education plus the MI-based intervention, called Uphungu Wanga. Participants in Uphungu Wanga received four sessions delivered on the day of diagnosis, three days later and at weeks 1 and 2 with a booster session at week 8; participants were followed for 24 weeks from diagnosis. An interviewer administered quantitative questionnaire was conducted at baseline and at weeks …


Trends In Legume Consumption Among Ethnically Diverse Adults In A Longitudinal Cohort Study In Australia, Victoria M. Flood, Joanna Russell, Sue Radd Jan 2015

Trends In Legume Consumption Among Ethnically Diverse Adults In A Longitudinal Cohort Study In Australia, Victoria M. Flood, Joanna Russell, Sue Radd

Faculty of Social Sciences - Papers (Archive)

Abstract presented at the Experimental Biology 2015 conference, 28 March-1 April 2015, Boston, United States.


Do Neighbourhood Socioeconomic Circumstances Not Matter For Weight Status Among Australian Men? Multilevel Evidence From A Household Survey Of 14 691 Adults, Xiaoqi Feng, Andrew Wilson Jan 2015

Do Neighbourhood Socioeconomic Circumstances Not Matter For Weight Status Among Australian Men? Multilevel Evidence From A Household Survey Of 14 691 Adults, Xiaoqi Feng, Andrew Wilson

Faculty of Social Sciences - Papers (Archive)

Objective: A recent analysis of the Australian National Health Survey (2011-2012) reported that the patterning of overweight and obesity among men, unlike for women, was not associated with neighbourhood socioeconomic disadvantage. The purpose of this study was to examine whether this gender difference in potential neighbourhood 'effects' on adult weight status can be observed in analyses of a different source of data. Design, setting and participants: A cross-sectional sample of 14 693 people aged 18 years or older was selected from the 2012 wave of the 'Household, Income and Labour Dynamics in Australia' (HILDA). Three person-level outcomes were considered: (1) …


A Study Of Self-Determined Motivation Toward Physical Education Among Different Levels Of Schooling, Dana J. Perlman Jan 2015

A Study Of Self-Determined Motivation Toward Physical Education Among Different Levels Of Schooling, Dana J. Perlman

Faculty of Social Sciences - Papers (Archive)

Educational research is continously examining the changes and progress of students throughout their educational career. Understanding student change is a critical element in creating learning settings that can meet the diverse needs of students. An area of inquiry important to the education, engagement and learning of students is their motivation or self-determination. Researchers commonly make an inference that motivation decreases as student's progress throughout their academic career, yet no empirical evidence has been gathered to support these claims. Therefore, the purpose of this study was to examine the self-determined motivation toward physical education of three different groups of students. Data …


Improving Cancer Outcomes Among Culturally And Linguistically Diverse Communities: A Rapid Review Of The Literature, Lyn Phillipson, Karen Larsen-Truong, Sandra Jones, Leissa Pitts Mar 2014

Improving Cancer Outcomes Among Culturally And Linguistically Diverse Communities: A Rapid Review Of The Literature, Lyn Phillipson, Karen Larsen-Truong, Sandra Jones, Leissa Pitts

Sandra Jones

This Evidence Check review examined the knowledge, attitudes and beliefs of Chinese, Vietnamese and Arabic speaking communities in Australia in relation to cancer, its causes, screening, treatments, perceptions of susceptibility, and perceived outcomes. The review explores fear, stigma, taboos, and the role of family, as well as the evidence of effectiveness of cancer prevention, detection and treatment interventions. There are significant gaps in the evidence base.


School Culture And Mentoring Relationships, Crucial To Developing Confidant Professional Identities Among Lbote Pre-Service Teachers, Lynn D. Sheridan Jan 2014

School Culture And Mentoring Relationships, Crucial To Developing Confidant Professional Identities Among Lbote Pre-Service Teachers, Lynn D. Sheridan

Faculty of Social Sciences - Papers (Archive)

Abstract presented at the AARE-NZARE 2014 Conference, 30 November-4 December, Brisbane, Australia


Prevalence And Risk Factors Of Food Insecurity Among A Cohort Of Older Australians, Joanna Russell, Victoria M. Flood, Heather Yeatman, Paul Mitchell Jan 2014

Prevalence And Risk Factors Of Food Insecurity Among A Cohort Of Older Australians, Joanna Russell, Victoria M. Flood, Heather Yeatman, Paul Mitchell

Faculty of Social Sciences - Papers (Archive)

Objective

With ongoing national concern about food security, the aim of the study was to estimate the prevalence of food insecurity and to identify associated characteristics in a cohort of older Australians.

Design, setting and participants

The Blue Mountains Eye Study is a cohort study of community living participants aged 49 + years. The 12-item food security survey was completed by 3068 participants in the cross sectional study which comprised 2335 survivors from baseline and the recruitment of an additional 1174 eligible residents.

Main outcome measures

Prevalence of self reported food insecurity was calculated and multivariate logistic regression provided odds …


Improving Awareness, Attitudes And Uptake Of The Australian Physical A Ctivity G Uidelines Among Primary School Students, Their Teachers And Parents, Lyn Phillipson, Danika Hall Jan 2014

Improving Awareness, Attitudes And Uptake Of The Australian Physical A Ctivity G Uidelines Among Primary School Students, Their Teachers And Parents, Lyn Phillipson, Danika Hall

Faculty of Social Sciences - Papers (Archive)

Abstract presented at the International Social Marketing Conference 2014, 17-18 July 2014, Melbourne, Australia


Nature, Culture And Time: Contested Landscapes Among Environmental Managers In Skane, Southern Sweden, Lesley Head, Joachim Regnell Jul 2013

Nature, Culture And Time: Contested Landscapes Among Environmental Managers In Skane, Southern Sweden, Lesley Head, Joachim Regnell

Lesley Head

Our increased understanding of 'Man's Role in Changing the Face of the Earth' (Thomas 1956) is one of the key scientific achievements of the second half of the 20th century. Human activities now appropriate more than one third of the Earth's terrestrial ecosystem production, and between a third and a half of the land surface of the planet has been transformed by human development (Vitousek et al. 1997). Humans are inextricably embedded in all earth surface processes, and often dominate them. These findings are increasingly being recognised in political and policy spheres, most notably in contemporary debates about climate change …


Sun Protecting And Sun Exposing Behaviors: Testing Their Relationship Simultaneously With Indicators Of Ultraviolet Exposure Among Adolescents, Melinda Williams, Peter Caputi, Sandra C. Jones, Don Iverson Jun 2013

Sun Protecting And Sun Exposing Behaviors: Testing Their Relationship Simultaneously With Indicators Of Ultraviolet Exposure Among Adolescents, Melinda Williams, Peter Caputi, Sandra C. Jones, Don Iverson

Sandra Jones

The aim of this study was to build on existing understanding of adolescent sun-related behavior by combining sun protecting and sun exposing behaviors and testing their relationship simultaneously with indicators of ultraviolet (UV) exposure. Data were collected for 692 adolescents aged between 12 and 18 years. General linear modeling was undertaken to test the relationship of sun-related behaviors with indicators of UV exposure. Overall, the combined sun protection and sun exposing behaviors accounted for 13.8% of the variance in the number of sunburns, 28.1% of the variance in current tan and 57.5% of the variance in desired tan, respectively. Results …


A Hangover And A One-Night Stand: Alcohol And Risky Sexual Behaviour Among Female Students At An Australian University, Heidi Gilchrist, Kylie Smith, Christopher A. Magee, Sandra Jones Jun 2013

A Hangover And A One-Night Stand: Alcohol And Risky Sexual Behaviour Among Female Students At An Australian University, Heidi Gilchrist, Kylie Smith, Christopher A. Magee, Sandra Jones

Sandra Jones

There is a growing body of research in Australia exploring the alcohol consumption behaviours of young people and the attendant health and social risks associated with excessive use of alcohol (Chikritzhs et al. 2003; Mancina-Pena & Tyson 2007). A number of studies from countries such as the United States and New Zealand indicate that university students tend to drink at riskier levels than the broader population (see for example Wechsler et al. 1994; Kypri, Stephenson & Langley 2005; Wechsler & Nelson 2008). Data from Australia are limited, although the few studies that have been conducted suggest that Australian university students …


Exposure To Alcohol Advertising And Alcohol Consumption Among Australian Adolescents, Sandra C. Jones, Christopher A. Magee Jun 2013

Exposure To Alcohol Advertising And Alcohol Consumption Among Australian Adolescents, Sandra C. Jones, Christopher A. Magee

Sandra Jones

Aims: Underage drinking is a major problem in Australia and may be influenced by exposure to alcohol advertising. The objective of the present study was to collect data on 12 17 year old Australian adolescents' exposure to different types of alcohol advertising and examine the association between exposure to advertising and alcohol consumption. Methods: A cross-sectional survey of 1113 adolescents aged 12 17 years recruited with a variety of methods to gain a cross-section of participants across metropolitan, regional and rural New South Wales (including independent schools, mall intercepts and online). Participants answered a series of questions assessing adolescents' exposure …


Increasing Awareness Of Sun Protection Among Australian Adolescents: Results Of A Community-Based Intervention, Sandra C. Jones, Melinda Williams, Peter Caputi, Donald C. Iverson Jun 2013

Increasing Awareness Of Sun Protection Among Australian Adolescents: Results Of A Community-Based Intervention, Sandra C. Jones, Melinda Williams, Peter Caputi, Donald C. Iverson

Sandra Jones

No abstract provided.


Interactions Among China-Related Stocks: Evidence From A Causality Test With A New Procedure, Gary Gang Tian, Guang Hua Wan Jun 2013

Interactions Among China-Related Stocks: Evidence From A Causality Test With A New Procedure, Gary Gang Tian, Guang Hua Wan

Gary Tian

The purpose of this study is to investigate a causal relationship among five different indices of shares issued by Chinese firms, A-, B- and H-shares listed in China and Hong Kong. This paper re-examines the interactions among these China-related stocks using daily time series data by constructing a vector autoregresion (VAR) model. A new Granger no-causality testing procedure developed by Toda and Yamamoto (1995) was applied to test the causality link among these five stock indices. The results emerging from our research indicate that there are "closed" relations within A-share (as well as within B-share) between Shanghai and Shenzhen markets …


The Harms Of Pornography Exposure Among Children And Young People, Michael Flood Feb 2013

The Harms Of Pornography Exposure Among Children And Young People, Michael Flood

Michael G Flood

Exposure to pornography is routine among children and young people, with a range of notable and often troubling effects. Particularly among younger children, exposure to pornography may be disturbing or upsetting. Exposure to pornography helps to sustain young people's adherence to sexist and unhealthy notions of sex and relationships. And, especially among boys and young men who are frequent consumers of pornography, including of more violent materials, consumption intensifies attitudes supportive of sexual coercion and increases their likelihood of perpetrating assault. While children and young people are sexual beings and deserve age-appropriate materials on sex and sexuality, pornography is a …


Smoking Mull: A Grounded Theory Model On The Dynamics Of Combined Tobacco And Cannabis Use Among Men, A Banbury, Avigdor Zask, Stacy M. Carter, Eric Van Beurden, R Tokley, Megan Passey, Jan Copeland Jan 2013

Smoking Mull: A Grounded Theory Model On The Dynamics Of Combined Tobacco And Cannabis Use Among Men, A Banbury, Avigdor Zask, Stacy M. Carter, Eric Van Beurden, R Tokley, Megan Passey, Jan Copeland

Faculty of Social Sciences - Papers (Archive)

Issue addressed Australians' use of cannabis has been increasing. Over a third of Australians (35.4%) have used cannabis at some time in their lives and 10.3% are recent users. Almost two‐thirds of cannabis users combine cannabis with tobacco. The aim of this study was to understand the process of mulling - smoking tobacco and cannabis together - using a grounded theory approach. Methods Twenty‐one in‐depth semistructured interviews were conducted with men aged 25-34 and living on the North Coast of New South Wales. Interviews explored participants' smoking practices, histories and cessation attempts. Results A model describing mulling behaviour and the …


Individual And Contextual Factors Shaping Teachers' Attitudes And Responses To Bullying Among Young Children: Is Education Important?, Philippa Small, Cathrine Marguerite Neilsen-Hewett, Naomi Sweller Jan 2013

Individual And Contextual Factors Shaping Teachers' Attitudes And Responses To Bullying Among Young Children: Is Education Important?, Philippa Small, Cathrine Marguerite Neilsen-Hewett, Naomi Sweller

Faculty of Social Sciences - Papers (Archive)

This study examined how pre- and post-service early childhood teachers' beliefs and responses to bullying among young children differ by level of qualification, type of bullying and whether or not it was witnessed. Results showed 1st and 4th-year student- and diploma-qualified teachers perceived acts of physical bullying to be more serious than verbal or relational bullying to a greater extent than did degree-qualified teachers. Degree-qualified teachers were less susceptible to bullying type and indicated they would be more likely to intervene than the other three groups. Results are discussed in relation to their implication for teaching practice and the content …


Associations Between Body Mass Index And Musculoskeletal Pain And Related Symptoms In Different Body Regions Among Workers, Isabel Moreira-Silva, Rute Santos, Sandra Abreu, Jorge Mota Jan 2013

Associations Between Body Mass Index And Musculoskeletal Pain And Related Symptoms In Different Body Regions Among Workers, Isabel Moreira-Silva, Rute Santos, Sandra Abreu, Jorge Mota

Faculty of Social Sciences - Papers (Archive)

Obesity rates are high among employed adults and have shown a consistent increase over the past few decades. Musculoskeletal disorders related to work are a major cause of disability in working individuals. The objective of this study was to verify the associations between weight status and musculoskeletal pain and related symptoms in different body regions among workers. The sample comprised 203 factory workers. Anthropometric measures were assessed with standardized protocols and body mass index (BMI) was calculated. Participants were classified as nonoverweight (BMI ≤ 24.9 kg/m2) or overweight/obese (BMI ≥ 25 kg/m2). Musculoskeletal pain and related …


Help-Negation Among Telephone Crisis Support Workers: Impact On Personal Wellbeing And Worker Performance, Taneile Kitchingman, Coralie J. Wilson, Peter Caputi, Alan Woodward Jan 2013

Help-Negation Among Telephone Crisis Support Workers: Impact On Personal Wellbeing And Worker Performance, Taneile Kitchingman, Coralie J. Wilson, Peter Caputi, Alan Woodward

Faculty of Social Sciences - Papers (Archive)

Paper presented at the National Suicide Prevention Conference, 24-26 July 2013, Melbourne, Australia.

Telephone counsellors (TCs) provide front line mental health support to callers in crisis. TCs often support callers with suicidal thoughts, depression and anxiety, and the caller's experience of the call will influence whether they will seek help from a helpline in the future. Despite their important role, little information on TCs' mental health and help-seeking behaviours exists - a structured literature search returned 2 papers. This paper presents the results of a study that answered three research questions: 1. Do telephone counsellors experience symptoms of suicidal ideation, …


Seasonal Stress Physiology And Body Condition Differ Among Co-Occurring Tropical Finch Species, Kimberly L. Maute, Kristine French, Sarah Legge, Lee Astheimer Jan 2013

Seasonal Stress Physiology And Body Condition Differ Among Co-Occurring Tropical Finch Species, Kimberly L. Maute, Kristine French, Sarah Legge, Lee Astheimer

Faculty of Science, Medicine and Health - Papers: part A

Seasonal changes in avian hormonal stress responses and condition are well known for common species found at temperate and arctic latitudes, but declining and tropical species are poorly studied. This study compares stress and condition measures of co-occurring declining and non-declining tropical grass finch species in Australia. We monitored declining Gouldian finches (Erythrura gouldiae) and non-declining long-tailed and masked finches (Poepila acuticauda and P. personata) during two seasons that are potentially stressful: peak breeding (early dry season when food is plentiful) and moult (late dry to early wet season when food may be scarce). We measured body condition (muscle and …


Arrival Order Among Native Plant Functional Groups Does Not Affect Invasibility Of Constructed Dune Communities, T J. Mason, K French, D Jolley Jan 2013

Arrival Order Among Native Plant Functional Groups Does Not Affect Invasibility Of Constructed Dune Communities, T J. Mason, K French, D Jolley

Faculty of Science, Medicine and Health - Papers: part A

Different arrival order scenarios of native functional groups to a site may influence both resource use during development and final community structure. Arrival order may then indirectly influence community resistance to invasion. We present a mesocosm experiment of constructed coastal dune communities that monitored biotic and abiotic responses to different arrival orders of native functional groups. Constructed communities were compared with unplanted mesocosms. We then simulated a single invasion event by bitou (Chrysanthemoides monilifera ssp. rotundata), a dominant exotic shrub of coastal communities. We evaluated the hypothesis that plantings with simultaneous representation of grass, herb and shrub functional groups at …


A Qualitative Study On Tobacco Smoking And Betel Quid Use Among Burmese Refugees In Australia, Susan Furber, Janet Jackson, Keryn Johnson, Radmila Sukara, Lisa Franco Jan 2013

A Qualitative Study On Tobacco Smoking And Betel Quid Use Among Burmese Refugees In Australia, Susan Furber, Janet Jackson, Keryn Johnson, Radmila Sukara, Lisa Franco

Faculty of Science, Medicine and Health - Papers: part A

Anecdotal evidence suggests that there are high rates of smoking among Burmese men in Wollongong, Australia. A qualitative study was undertaken to explore the beliefs and experiences of Burmese refugees in Wollongong on smoking to guide the development of smoking cessation interventions. Three focus groups were conducted with Burmese refugees. Ten semi-structured interviews were conducted with service providers involved with Burmese refugees. Qualitative content analysis was used to categorise responses to the questions. Participants were aware of the health effects of tobacco smoking but had little knowledge of support for quitting. Many participants chewed betel quid and were unaware of …


Patterns Of Food Safety Knowledge Among Australians: A Latent Class Approach, Anthony Worsley, Wei Wang, Stephanie Byrne, Heather Yeatman Jan 2013

Patterns Of Food Safety Knowledge Among Australians: A Latent Class Approach, Anthony Worsley, Wei Wang, Stephanie Byrne, Heather Yeatman

Faculty of Social Sciences - Papers (Archive)

This study aimed to examine food safety knowledge and its associations among Australians. An Internet-based nationwide survey of 2,022 consumers was conducted in 2011. Quota sampling was used to ensure that the age, gender, educational background, and state of residence of the respondents were representative of the Australian population. A list of 10 food safety knowledge items was administered along with questions about the respondents' food attitudes, demographics, school education, and diet practices. Overall, the results showed that safety knowledge was relatively poor. Latent class analysis identified two groups of respondents with different levels of food safety knowledge. Poor knowledge …


Social Media Use Among Pre-Service Primary Teachers, Wendy S. Nielsen, Rachel Moll, Teresa Farrell, Nicole Mcdaid, Garry F. Hoban Jan 2013

Social Media Use Among Pre-Service Primary Teachers, Wendy S. Nielsen, Rachel Moll, Teresa Farrell, Nicole Mcdaid, Garry F. Hoban

Faculty of Social Sciences - Papers (Archive)

This research explores preservice science teachers' social media practices as a first step in considering how to better utilize these tools in preservice teacher education. This is an important issue as these teachers will work with the next generation of students, who are likely to be even more connected through technology tools. We report data from a survey called the Social Media and Science Learning Survey that collects information about proficiencies and frequencies of use for a variety of social media tools for learning science. Results are from a cohort of 119 Australian primary teacher-education students in the context of …


The Interrelations Among The Perception Of Parental Styles And Psychological Well-Being In Adolescence: A Longitudinal Study, Farnaz Shahimi, Patrick C. L Heaven, Joseph Ciarrochi Jan 2013

The Interrelations Among The Perception Of Parental Styles And Psychological Well-Being In Adolescence: A Longitudinal Study, Farnaz Shahimi, Patrick C. L Heaven, Joseph Ciarrochi

Faculty of Social Sciences - Papers (Archive)

This longitudinal study aims to examine the relationships between the perception of parental style, hope, self-esteem and Eysenck's psychoticism dimension throughout the span of four years. The sample was composed of 884 students from the Wollongong Youth Study, which commenced when students entered high school. During the course of the 4 years of the study, each participant completed the test booklets each time data was collected. Data was analyzed using one way ANOVA, Post-hoc test, Repeated Measurement, Pearson and Partial Correlation and General Linear Model in order to provide the aims of the study. The mean score of hope and …


Longitudinal Levels And Bouts Of Sedentary Time Among Adolescent Girls, Valerie Carson, Dylan P. Cliff, Xanne Janssen, Anthony D. Okely Jan 2013

Longitudinal Levels And Bouts Of Sedentary Time Among Adolescent Girls, Valerie Carson, Dylan P. Cliff, Xanne Janssen, Anthony D. Okely

Faculty of Social Sciences - Papers (Archive)

Background Adolescent girls are one of the most sedentary demographic groups. A better understanding of their accumulation of sedentary time is needed to inform future interventions. The purpose of this study was to examine the longitudinal levels and bouts of objectively measured sedentary time accumulated during different days of the week and periods of the weekday among a large sample of adolescent girls. Methods The results are based on 655 adolescent girls from the Girls in Sport Intervention and Research Project. Levels and bouts of sedentary time were derived from accelerometer data collected at baseline and 18-month follow-up. Total, weekday, …


Relations Among Privacy Notions For Signcryption And Key Invisible "Sign-Then-Encrypt", Yang Wang, Mark Manulis, Man Ho Allen Au, Willy Susilo Jan 2013

Relations Among Privacy Notions For Signcryption And Key Invisible "Sign-Then-Encrypt", Yang Wang, Mark Manulis, Man Ho Allen Au, Willy Susilo

Faculty of Engineering and Information Sciences - Papers: Part A

Signcryption simultaneously offers authentication through unforgeability and confidentiality through indistinguishability against chosen ciphertext attacks by combining the functionality of digital signatures and public-key encryption into a single operation. Libert and Quisquater (PKC 2004) extended this set of basic requirements with the notions of ciphertext anonymity (or key privacy) and key invisibility to protect the identities of signcryption users and were able to prove that key invisibility implies ciphertext anonymity by imposing certain conditions on the underlying signcryption scheme.

This paper revisits the relationship amongst privacy notions for signcryption. We prove that key invisibility implies ciphertext anonymity without any additional restrictions. …