Marie Tarrant, RN, MPH, PhD

(She, Her, Hers)


Faculty of Health and Social Development
Other Titles: Professor
Office: ARTS 360
Phone: 250-807-9297

Graduate student supervisor

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Research Summary

Maternal and Child Health; Breastfeeding; Baby-Friendly Hospital Initiative; Maternal and Childhood Vaccine Uptake; Influenza Vaccine

Courses & Teaching

Doctoral Seminar NRSG 601


Dr. Marie Tarrant is a Professor in the School of Nursing at the University of British Columbia, Okanagan Campus. She has worked as a Registered Nurse in rural and remote areas of Canada as a community and public health nurse. Dr. Tarrant’s research is in maternal and child health, with a focus on breastfeeding, the Baby-Friendly Hospital Initiative, and maternal and childhood vaccinations. Study methodologies include large longitudinal cohort studies, population-based cross-sectional studies, and randomized controlled trials. The goal of Dr. Tarrant’s research is to improve maternal and child health outcomes, inform public health policies and transform perinatal healthcare services. Dr. Tarrant has co-authored over 70 peer-reviewed publications that appear in high-impact maternal and child health and public health journals.

Dr. Tarrant is the lead investigator at the UBC Okanagan’s School of Nursing Maternal and Child Health Lab and is a frequently cited UBC expert on maternal and child health, breastfeeding, influenza vaccine in pregnancy, and childhood vaccinations. In addition to her maternal and child health research, Dr. Tarrant has been the Director of the School of Nursing since 2016. Prior to coming to UBC, she worked in the School of Nursing at the University of Hong Kong for 18 years.


Google Scholar Profile

Click here for a list of publications indexed in PubMed:   pubmed-240x115



PhD, Edith Cowan University
MPH, Johns Hopkins University
MN, University of Manitoba
BN, University of Lethbridge

Research Interests & Projects

Vaccine hesitancy in BC: Understanding COVID-19 vaccine perceptions during pregnancy, breastfeeding, and parenthood (funded by Genome BC, the MSFHR, and the BCCDC Foundation).

A systems change project to improve breastfeeding (funded by the Vancouver Foundation)

Assessing attitudes, barriers, and opportunities for human papillomavirus (HPV) vaccination (HPVV) to inform, develop, implement, and evaluate a culturally appropriate program for increasing utilization and addressing vaccination hesitancy in Arctic Canadian Indigenous communities (funded by CIHR).

The effect of feeding methods on intestinal microbiota of healthy Chinese infants (funded by Health and Medical Research Fund, Food and Health Bureau, Hong Kong SAR).

Selected Publications & Presentations

(Post-graduate students/research trainees underlined, *indicates senior and/or corresponding author)

Fan, S. L. H., Fong, D. Y. T., Lok, K. Y. W., & Tarrant, M. (2023, in press). A qualitative exploration of the reasons for expressed human milk feeding as informed by self-efficacy theory applied to breastfeeding. Journal of Human Lactation,

Shing, J. S. Y., Lok, K. Y. W., Fong, D. Y. T., Fan, H. S. L., Chow, C. L. Y., Tarrant, M.* (2022). The influence of the Baby Friendly Hospital Initiative and Maternity Care Practices on breastfeeding outcomes. Journal of Human Lactation, 38(4), 700-710.

Chooniedass, R., Tarrant, M., Turner, S., Fan, H. S. L., Del Buono, K., Masina, S., Becker, A. B., Mandhane, P. J., Turvey, S. E., Moraes, T. J., Sears, M. R., Subbarao, P., Azad, M. B. (2022). Factors associated with breastfeeding initiation and continuation in Canadian-born and non-Canadian-born women: a multi-centre study. Public Health Nutrition, 25(10), 2822-2833.

Fan, H. S. L., Fong, D. Y. T., Lok, K. Y. W., Tarrant, M. (2022). The association between breastfeeding self-efficacy and mode of infant feeding. Breastfeeding Medicine, 17(8), 687-697.

Fan, H. S. L., Fong, D. Y. T., Lok, K. Y. W., Tarrant, M. (2022). Association between expressed breast milk feeding and breastfeeding duration in Hong Kong mothers. Women and Birth, 35(3), e286-e293.

Lau, Y. K. C., Fong, D. Y. T., Chan, W. H. S., Lok, K. Y. W., Ng, J., Sing, C., & Tarrant, M. (2022). The effect of maternal self-regulated motivation on breastfeeding continuation. Maternal and Child Health Journal, 26(2), 441-448.

Lok, K. Y. W., Ko, R. W. T., Fan, H. S. L., Wong, J. Y. H., Choi, E. P. H., Shek, N. M. W., Ngan, H. Y. S., Tarrant, M., Li, J., Huang, Y-y., Ouyang, Y-Q, & Fong, D. Y. T. (2021). International survey on fear and childbirth experience in pregnancy and the postpartum period during the COVID-19 pandemic: study protocol. BMJ Open, 11(e050132). doi:10.1136/bmjopen-2021-050132.

Lok, K. Y. W., Fong, D. Y. T., Wong, J. Y. H., Ho, M., Choi, E. P. H., Pandian, V., Davidson, P. M., Duan, W., Tarrant, M., Lee, J. J., & Lin, C. C. (2021). An International Survey for Assessing COVID-19’s Impact on Fear and Health: Study Protocol. BMJ Open, 11(e048720). doi:10.1136/bmjopen-2021-048720.

Wong, Y. H. J., Zhang, W., Wu, Y., Choi, P. H. E., Lo, H. M. H., Wong, W., Chio, H. M. J., Tam, H. L. C., Ngai, F. W., Tarrant, M., Wang, M. P., Ngan, Y. S. H., Fong, D. Y. T. (2021). An interactive web-based sexual health literacy programme for safe sex practice in female Chinese university students: A multicentre, randomised controlled trial. Journal of Medical Internet Research, 23(3), e22564.

Fan, H. S. L., Fong, D. Y. T., Lok, K. Y. W., & Tarrant, M. (2020). Expressed breast milk feeding practices in Hong Kong Chinese women: a descriptive study. Midwifery, 91, 102835.

Tarrant, M., Chooniedass, R., Fan, H. S. L., Del Buono, K., & Masina, S. (2020). Breastfeeding and postpartum glucose regulation among women with prior gestational diabetes: A systematic review. Journal of Human Lactation, 36(4), 723-738.

Fan, H. S. L., Wong, Y. H. J., Fong, D. Y. T., Lok, K. Y. W., & Tarrant, M.* (2020). Association between intrapartum factors and the time to breastfeeding initiation. Breastfeeding Medicine, 15(6), 394-400.

Lok, K. Y. W., Bai, D. L., & Tarrant, M. (2020). Exposure to Baby-Friendly hospital practices and mothers’ achievement of their planned duration of breastfeeding. BMC Pregnancy & Childbirth, 20:261

Ngai, F. W., Wong, P. W. C., Chung, K. F., Leung, K. Y., Kwok, Y., & Tarrant, M. (2019). Randomized controlled trial of telephone-based cognitive-behavioral therapy on parenting self-efficacy and satisfaction. Translational Behavioral Medicine, 9(6), 1163-1168.

Fan, S. L. H., Wong, Y. H. J., Fong, D. Y. T., Lok, K. Y. W., & Tarrant, M.* (2019). Association between early‐term birth and breastfeeding initiation, duration, and exclusivity: a systematic review. Birth, 46, 24-34.

Fan, S. L. H., Wong, Y. H. J., Fong, D. Y. T., Lok, K. Y. W., & Tarrant, M.* (2019). Breastfeeding outcomes among early-term and full-term infants. Midwifery, 71, 71-76.

Yeung, K. H. T., Tarrant, M., Chan, C. C., Tam, W. H., & Nelson, E. A. S. (2018). Increasing influenza vaccine uptake in children: a randomised controlled trial. Vaccine, 36, 5524–5535.

Lok, K. Y. W., Wang, M. P., Chan, V. H. S., & Tarrant, M.* (2018). The effect of secondary cigarette smoke from household members on breastfeeding duration: A prospective cohort study. Breastfeeding Medicine, 13(6), 412-417.

Lau, Y. K. C., Lok, K. Y. W., & Tarrant, M. (2018). Breastfeeding duration and the Theory of Planned Behavior and Breastfeeding Self-Efficacy Framework: a systematic review of observational studies. Maternal and Child Health Journal, 22(3), 327-342.

Lok, K. Y. W., Bai, D. L., Chan, N. P. T., Wong, J. Y. H., & Tarrant, M.* (2018). The impact of immigration on the breastfeeding practices of Mainland Chinese immigrants in Hong Kong. Birth, 45(1), 94-102.

Chan, N. P. T., Tarrant, M., Ngan, E., So, H. K., Lok, K. L., Nelson, E. A. (2018). Agreement between self-/home-measured and assessor-measured waist circumference at three sites in adolescents/children. PLoS ONE, 13(3): e0193355.


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