Hardie, I., Marryat, L., Murray, A., King, J., Okelo, K., Fenton, L., … Stock, S. (2026). COVID-19 Public Health and Social Measures (PHSM) and early childhood developmental concerns in Scotland: an interrupted time series analysis. International Journal of Population Data Science, 11(5). https://doi.org/10.23889/ijpds.v11i5.3511