| COVID-19: health literacy is an underestimated problem L Paakkari, O Okan The lancet public health 5 (5), e249-e250, 2020 | 1064 | 2020 |
| Health literacy in childhood and youth: a systematic review of definitions and models J Bröder, O Okan, U Bauer, D Bruland, S Schlupp, TM Bollweg, ... BMC public health 17 (1), 361, 2017 | 725 | 2017 |
| Coronavirus-related health literacy: a cross-sectional study in adults during the COVID-19 infodemic in Germany O Okan, TM Bollweg, EM Berens, K Hurrelmann, U Bauer, D Schaeffer International Journal of Environmental Research and public health 17 (15), 5503, 2020 | 563 | 2020 |
| Psychological wellbeing and academic experience of university students in Australia during COVID-19 RH Dodd, K Dadaczynski, O Okan, KJ McCaffery, K Pickles International Journal of Environmental Research and Public Health 18 (3), 866, 2021 | 526 | 2021 |
| Digital health literacy and web-based information-seeking behaviors of university students in Germany during the COVID-19 pandemic: cross-sectional survey study K Dadaczynski, O Okan, M Messer, AYM Leung, R Rosário, E Darlington, ... Journal of medical Internet research 23 (1), e24097, 2021 | 443 | 2021 |
| Interdisciplinary perspectives on health literacy research around the world: more important than ever in a time of COVID-19 T Sentell, S Vamos, O Okan International journal of environmental research and public health 17 (9), 3010, 2020 | 363 | 2020 |
| International Handbook of Health Literacy: Research, practice and policy across the lifespan O Okan, U Bauer, D Levin-Zamir, P Pinheiro, K Sørensen Policy Press, 2019 | 336 | 2019 |
| Health literacy, digital health literacy, and COVID-19 pandemic attitudes and behaviors in US college students: implications for interventions U Patil, U Kostareva, M Hadley, JA Manganello, O Okan, K Dadaczynski, ... International Journal of Environmental Research and Public Health 18 (6), 3301, 2021 | 308 | 2021 |
| Generic health literacy measurement instruments for children and adolescents: a systematic review of the literature O Okan, E Lopes, TM Bollweg, J Bröder, M Messer, D Bruland, E Bond, ... BMC public health 18 (1), 166, 2018 | 246 | 2018 |
| Building health literacy system capacity: a framework for health literate systems K Sørensen, D Levin-Zamir, TV Duong, O Okan, VV Brasil, D Nutbeam Health promotion international 36 (Supplement_1), i13-i23, 2021 | 228 | 2021 |
| Making a case for “Education for health literacy”: An international perspective S Vamos, O Okan, T Sentell, I Rootman International journal of environmental research and public health 17 (4), 1436, 2020 | 216 | 2020 |
| Health literacy as a social vaccine in the COVID-19 pandemic O Okan, M Messer, D Levin-Zamir, L Paakkari, K Sørensen Health promotion international 38 (4), daab197, 2023 | 162 | 2023 |
| IUHPE Position Statement on Health Literacy: a practical vision for a health literate world J Bröder, P Chang, I Kickbusch, D Levin-Zamir, E McElhinney, D Nutbeam, ... International Union for Health Promotion and Education, IUHPE Global Working …, 2018 | 153 | 2018 |
| Associations between COVID-19-related digital health literacy and online information-seeking behavior among Portuguese university students R Rosário, MRO Martins, C Augusto, MJ Silva, S Martins, A Duarte, ... International journal of environmental research and public health 17 (23), 8987, 2020 | 121 | 2020 |
| Advancing perspectives on health literacy in childhood and youth J Bröder, O Okan, U Bauer, S Schlupp, P Pinheiro Health promotion international 35 (3), 575-585, 2020 | 120 | 2020 |
| Facing the growing COVID-19 infodemic: digital health literacy and information-seeking behaviour of university students in Slovenia M Vrdelja, S Vrbovšek, V Klopčič, K Dadaczynski, O Okan International journal of environmental research and public health 18 (16), 8507, 2021 | 109 | 2021 |
| Child and youth health literacy: a conceptual analysis and proposed target-group-centred definition J Bröder, O Okan, TM Bollweg, D Bruland, P Pinheiro, U Bauer International journal of environmental research and public health 16 (18), 3417, 2019 | 107 | 2019 |
| The role of school leaders’ health literacy for the implementation of health promoting schools K Dadaczynski, K Rathmann, T Hering, O Okan International journal of environmental research and public health 17 (6), 1855, 2020 | 98 | 2020 |
| University students’ sense of coherence, future worries and mental health: findings from the German COVID-HL-survey K Dadaczynski, O Okan, M Messer, K Rathmann Health Promotion International 37 (1), daab070, 2022 | 95 | 2022 |
| Addressing health literacy in schools in the WHO European Region L Paakkari, J Inchley, A Schulz, MW Weber, O Okan, ... Public health panorama 5 (2-3), 186-190, 2019 | 94 | 2019 |