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Objective:To describe the methods and basic demographics of participants in a national survey of Aboriginal and Torres Strait Islander (Aboriginal) people specific to sexually transmissible infections and bloodborne viruses. Methods:A national cross‐sectional survey of Aboriginal people aged 16–29 years in all Australian jurisdictions between 2011 and 2013 conducted at Aboriginal community events. Questions comprised demographic information, knowledge, risk behaviours and health service utilisation. Questionnaires were completed on personal digital assistants (PDAs). Results:A total of 2,877 people at 21 unique community events completed the questionnaire. A total of 59% of participants were female, median age was 21 years and more than 60% were single at the time of the survey. Just over half the participants were resident in an urban area (53%) and 38% were from a regional area. Aboriginal health organisations played an important role in implementing the research. PDAs were found to be an acceptable method for collecting health information. Conclusion:This survey has recruited a large representative sample of Aboriginal people aged 16–29 years using a methodology that is feasible, acceptable and repeatable. Implications:The methodology provides a model for ongoing monitoring of this population as programs and policies are implemented to address young Aboriginal people's STI and BBV risks.

Objective: To evaluate the potential impact of the current global economic crisis (GEC) on the spread of HIV. Design: To evaluate the impact of the economic downturn we studied two distinct HIV epidemics in Southeast Asia: the generalized epidemic in Cambodia where incidence is declining and the epidemic in Papua New Guinea (PNG) which is in an expansion phase. Methods: Major HIV-related risk factors that may change due to the GEC were identified and a dynamic mathematical transmission model was developed and used to forecast HIV prevalence, diagnoses, and incidence in Cambodia and PNG over the next 3 years. Results: In Cambodia, the total numbers of HIV diagnoses are not expected to be largely affected. However, an estimated increase of up to 10 in incident cases of HIV, due to potential changes in behavior, may not be observed by the surveillance system. In PNG, HIV incidence and diagnoses could be more affected by the GEC, resulting in respective increases of up to 17 and 11 over the next 3 years. Decreases in VCT and education programs are the factors that may be of greatest concern in both settings. A reduction in the rollout of antiretroviral therapy could increase the number of AIDS-related deaths (by up to 7.5 after 3 years). Conclusions: The GEC is likely to have a modest impact on HIV epidemics. However, there are plausible conditions under which the economic downturns can noticeably influence epidemic trends. This study highlights the high importance of maintaining funding for HIV programs.