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Testing a methodological approach for measuring agreement across data sources and trends in the incidence and methods of induced abortion by characteristics of young women in Australia using self-report and linked administrative health data.


Induced abortion is a common reproductive experience for women in Australia and is recognised as an essential service. Presently abortion data for public health planning and assessment is limited. We utilise self-reported abortion data from six waves of the ALSWH s new young cohort (2013-2019) and its linkages with the Medicare Benefits Schedule, Pharmaceutical Benefits Scheme and the National Morbidity Hospital Database to: (1) evaluate levels of agreement between self-report and administrative data, and (2) test a measurement approach for ascertainment of abortion method, time trends in method distribution and characteristics associated with method type among this sample of young women.