population health science; evolutionary anthropology; family demography; life course transitions; reproductive decision making; reproductive health; Tanzania
2015. PhD Epidemiology and Population Health. London School of Hygiene and Tropical Medicine, UK.
2010. MSc Human Evolution and Behavior. University College London, UK.
2008. BA Anthropology. Beloit College, US.
Schaffnit, S.B., Hassan, A., Urassa, M., & Lawson, D.W. (in press). Parent-offspring conflict unlikely to explain 'child marriage' in northwestern Tanzania. Nature Human Behavior
Schaffnit, S.B., Urassa, M., & Lawson, D.W. (in press). ‘Child marriage’ in context: exploring local attitudes towards early marriage in rural Tanzania. Sexual and Reproductive Health Matters
Birdthistle, I., Schaffnit, S.B., Kwaro, D., Shahmanesh, M., Ziraba, A., Kabiru, C., Phillips-Howard, P., Chimbindi, N., Ondeng’e, K., Gourlay, A. Cowan, F., Hargreaves, J., Hensen, B. , Chiyaka, T., Glynn, J., & Floyd, S. (2018). Evaluating the impact of the DREAMS Partnership to Reduce HIV Incidence among Adolescent Girls and Young Women in four settings: A Study Protocol. BMC Public Health. doi: 10.1186/s12889-018-5789-7
?Schaffnit, S.B. & Sear, R. (2017). Support for new mothers and the decision to have a second child in the United Kingdom: not all support is equal. Population Studies: 1-17. doi: 10.1080/00324728.2017.1349924
?Schaffnit, S.B. & Sear R. (2017). Supportive families versus support from families: the decision to have a child in the Netherlands. ?Demographic Research, 37(14): 414-454. doi: 10.4054/DemRes.2017.37.14
?Sear, R., & Schaffnit, S. (2017). It's not just about the future: The present payoffs to behavior vary in degree and kind between the rich and the poor. Behavioral and Brain Sciences, 40. doi:10.1017/S0140525X1700111X
?Lawson D. W., Schaffnit, S.B., Hassan, A., James, S. & Borgerhoff Mulder, M. (2017). Father absence but not fosterage predicts food insecurity, relative poverty and poor child health in northern Tanzania. American Journal of Human Biology, 29(3): e22938. doi: 10.1002/ajhb.22938
??Stulp, G., Sear, R., Schaffnit, S.B., Mills, M., & Barrett, L. (2016). The reproductive ecology of industrial societies: the association between wealth and fertility. Human Nature, 27(4): 445-470. doi: 10.1007/s12110-016-9272-9
Schaffnit, S.B. & Sear, R. (2014). Wealth modifies relationships between kin and women’s fertility in high-income countries. Behavioral Ecology, 25(4), 834-842. doi: 10.1093/beheco/aru059
Sheppard, P.*, Schaffnit, S.B.*, Garcia, J. R. & Sear, R. (2014). Fostering relations: first sex and marital timings for children raised by kin and non-kin carers. Evolution and Human Behavior, 35(3); 161-168. doi: 10.1016/j.evolhumbehav.2013.12.002