1. Academic performance of opposite-sex and same-sex twins in adolescence: A Danish national cohort study;Ahrenfeldt;Hormones and Behavior,2015
2. Comparison of cognitive and physical functioning of Europeans in 2004-05 and 2013;Ahrenfeldt;International Journal of Epidemiology,2018
3. The Reciprocal relationship between socioeconomic status and health and the influence of sex: A European SHARE-analysis based on structural equation modeling;Ahrenfeldt;International Journal of Environmental Research and Public Health,2021
4. Sensory impairments and depressive symptoms in Europe: a cross-national cohort study;Ahrenfeldt;Aging & Mental Health,2024
5. Burden and prevalence of risk factors for severe COVID-19 in the ageing European population - a SHARE-based analysis;Ahrenfeldt;Zeitschrift fur Gesundheitswissenschaften=Journal of public health,2021