"An Injurious and Utterly Unfit Environment": A Case Study Comparing Dental Evidence of Childhood Stress in Nineteenth Century Working-Class Peoples From British and Colonial New Zealand Contexts.

objectivesDuring the nineteenth century, the health and living conditions of many working-class European peoples declined in association with growing industrialization and urbanization. Emigration to British colonies grew as people sought to escape such hardships. This research presents the first direct comparison of dental markers of stress in a case study of migrants to a British colony (Otago, New Zealand) alongside a contemporaneous assemblage representing an origin population (London, United Kingdom). MATERIALS AND

methodsDental markers of childhood stress, accentuated lines, were observed in thin-sections of archeological teeth from adults (n = 9) and children (n = 16) interred in London, United Kingdom (UK), and adult European migrants interred in Otago, New Zealand (NZ) (n = 24) using standard histological techniques.

resultsAll individuals interred in London, and 92% (22/24) of those in New Zealand exhibited evidence of accentuated line formation within the first 2.5 years of life. There was no difference in median accentuated line occurrence between adults and children interred in the UK. However, NZ adults had a lower median occurrence of accentuated lines over the first 2.5 years since birth (5 ALs/individual) than UK adults (13 ALs/individual). Accentuated lines most frequently occurred in infancy for all three groups examined. However, temporal trends in accentuated line occurrence differed between groups in association with age. DISCUSSION: These results highlight the impact of childhood stresses on working-class people growing up during the nineteenth century, underlining potential differences in the childhood experiences of hardship in individuals that remained in Britain and those that departed for foreign soils.