About the Authors

Zobaida Ahmed

Roles Formal analysis, Visualization, Writing – original draft, Writing – review & editing

Zobaida-ahmed.piu@students.mq.edu.au

Affiliations Macquarie University Centre for the Health Economy, Macquarie University, Sydney, NSW, Australia, Department of Economics, Macquarie Business School, Macquarie University, Sydney, NSW, Australia

Yuanyuan Gu

Roles Supervision, Writing – review & editing

Affiliations Macquarie University Centre for the Health Economy, Macquarie University, Sydney, NSW, Australia, Department of Economics, Macquarie Business School, Macquarie University, Sydney, NSW, Australia, Australian Institute of Health Innovation, Macquarie University, Sydney, NSW, Australia

Kompal Sinha

Roles Supervision, Writing – review & editing

Affiliations Macquarie University Centre for the Health Economy, Macquarie University, Sydney, NSW, Australia, Department of Economics, Macquarie Business School, Macquarie University, Sydney, NSW, Australia

Mutsa Mutowo

Roles Conceptualization, Writing – review & editing

Affiliation Macquarie University Centre for the Health Economy, Macquarie University, Sydney, NSW, Australia

Natalie Gauld

Roles Conceptualization, Writing – review & editing

Affiliation School of Pharmacy, University of Auckland, Auckland, New Zealand

Bonny Parkinson

Roles Conceptualization, Methodology, Project administration, Supervision, Writing – review & editing

Affiliations Macquarie University Centre for the Health Economy, Macquarie University, Sydney, NSW, Australia, Department of Economics, Macquarie Business School, Macquarie University, Sydney, NSW, Australia, Australian Institute of Health Innovation, Macquarie University, Sydney, NSW, Australia

Competing Interests

This research is funded by scholarships, including the MQRES (No. 20211229) and MUCHE Top Up scholarships (No. 20203478), with support from Macquarie University and five pharmaceutical companies: Amgen Australia, Janssen Australia, MSD Australia, Pfizer Australia, and Roche Australia. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript. NG has provided consultancy services on reclassification, including regarding oral contraceptives, and led the New Zealand work to gain pharmacist-supply access to oral contraceptives. NG was a Board Member of the Pharmaceutical Society of New Zealand, which provides training on non-prescription oral contraceptives. This does not alter our adherence to PLOS ONE policies on sharing data and materials.