| Regional and gender-specific analyses give new perspectives for secular trend in hip fracture incidence SR Pekonen, J Kopra, H Kröger, T Rikkonen, R Sund Osteoporosis International 32, 1725-1733, 2021 | 23 | 2021 |
| Polychoric correlation with ordinal data in nursing research F Kiwanuka, J Kopra, N Sak-Dankosky, RC Nanyonga, T Kvist Nursing research 71 (6), 469-476, 2022 | 21 | 2022 |
| Characteristics of long‐term femoral neck bone loss in postmenopausal women: A 25‐year follow‐up A Moilanen, J Kopra, H Kröger, R Sund, T Rikkonen, J Sirola Journal of Bone and Mineral Research 37 (2), 173-178, 2020 | 18 | 2020 |
| Correcting for non‐ignorable missingness in smoking trends J Kopra, T Härkänen, H Tolonen, J Karvanen Stat 4 (1), 1-14, 2015 | 16 | 2015 |
| Mark-recapture estimation of mortality and migration rates for sea trout (Salmo trutta) in the northern Baltic sea RE Whitlock, J Kopra, T Pakarinen, E Jutila, AW Leach, P Levontin, ... ICES Journal of Marine Science 74 (1), 286-300, 2017 | 15 | 2017 |
| Follow-up data improve the estimation of the prevalence of heavy alcohol consumption J Kopra, P Mäkelä, H Tolonen, P Jousilahti, J Karvanen Alcohol and Alcoholism 53 (5), 586-596, 2018 | 11 | 2018 |
| Best practices for the provision of prior information for Bayesian stock assessment C Apostolidis, G Bal, R Froese, JKS Kuikka, A Leach, P Levontin, ... ICES Cooperative Research Reports (CRR), 2015 | 9 | 2015 |
| Bayesian models for data missing not at random in health examination surveys J Kopra, J Karvanen, T Härkänen Statistical Modelling 18 (2), 113-128, 2018 | 8 | 2018 |
| The effect of COVID-19 lockdown on the incidence of emergency department visits due to injuries and the most typical fractures in 4 Finnish hospitals H Nygren, J Kopra, H Kröger, I Kuitunen, VM Mattila, V Ponkilainen, ... Acta orthopaedica 93, 360, 2022 | 7 | 2022 |
| Visualizing and reporting educational data with r S López-Pernas, K Misiejuk, S Tikka, J Kopra, M Heinäniemi, M Saqr Learning analytics methods and tutorials: a practical guide using R, 151-194, 2024 | 6 | 2024 |
| The effects of precarious employment and calling on the psychosocial health and work well-being of young and older workers in the care sector: a longitudinal study M Hult, H Kallio, M Kangasniemi, T Pesonen, J Kopra International Archives of Occupational and Environmental Health 96 (10 …, 2023 | 6 | 2023 |
| Adjusting for selective non-participation with re-contact data in the FINRISK 2012 survey J Kopra, T Härkänen, H Tolonen, P Jousilahti, K Kuulasmaa, ... Scandinavian Journal of Public Health 46 (7), 758-766, 2018 | 6 | 2018 |
| Statistical modelling of selective non-participation in health examination surveys J Kopra Report/University of Jyväskylä, Department of Mathematics and Statistics, 2018 | 4 | 2018 |
| Introductory statistics with R for educational researchers S Tikka, J Kopra, M Heinäniemi, S López-Pernas, M Saqr Learning Analytics Methods and Tutorials: A Practical Guide Using R, 121-150, 2024 | 3 | 2024 |
| Health check-ups as interventions for work disability management: supervisors and occupational healthcare follow the recommendations to a great extent J Kuronen, K Winell, J Kopra, K Räsänen Occupational and Environmental Medicine 80 (3), 170-176, 2023 | 3 | 2023 |
| Quality improvement activity in occupational healthcare associated with reduced need for disability retirement: A Bayesian mixed effects modelling study in Finland J Kuronen, K Winell, J Kopra, K Räsänen Scandinavian Journal of Work, Environment & Health 46 (6), 630, 2020 | 3 | 2020 |
| An R approach to data cleaning and wrangling for education research J Kopra, S Tikka, M Heinäniemi, S López-Pernas, M Saqr Learning Analytics Methods and Tutorials: A Practical Guide Using R, 95-119, 2024 | 2 | 2024 |
| Obstetric claims in Finland 2012–2022—A nationwide patient insurance registry study J Lojander, M Welling, A Axelin, M Härkänen, J Kopra, R Lamminpää Acta Obstetricia et Gynecologica Scandinavica, 2024 | 1 | 2024 |
| Physical and mental health predicts better adherence to exercise intervention in older women: A post-hoc analysis. J Laakso, J Kopra, H Koivumaa-Honkanen, J Sirola, R Honkanen, ... Heliyon, 2024 | 1 | 2024 |
| Getting started with r for education research S Tikka, J Kopra, M Heinäniemi, S López-Pernas, M Saqr Learning Analytics Methods and Tutorials: A Practical Guide Using R, 67-94, 2024 | 1 | 2024 |
Hanna TolonenFinnish Institute for Health ans WelfareVerified email at thl.fi
