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Article History

First Online: 9 May 2019

Compliance with Ethical Standards

:

: This study was funded by a grant from the Australian Self-Medication Industry. The funding agreement ensured the authors’ independence in designing the economic evaluation, its inputs or the writing of the article.

: Mutsa Gumbie, Bonny Parkinson, Henry Cutler and Virginia Mumford have no conflicts of interest that are directly relevant to the content of this article. Natalie Gauld has received consulting fees from Green Cross Health for reclassifying oral contraceptives in New Zealand, has received an honorarium and expenses for attending a meeting for HRA Pharma, is a Board Member of the Pharmaceutical Society of New Zealand, and receives consulting fees, research funding and speaker’s fees relating to reclassification.

: BP and HC conceived the idea for the study. MG and BP developed the economic model and conducted the data analysis. NG and VM provided advice on parameter inputs. MG drafted the initial paper. All authors were involved in the interpretation of the results and revision of the manuscript.

: All parameter inputs and the economic model are available in the ESM.