Juho Kopra

Lifestyle and health behaviour changes of ageing Finnish women during early COVID-19 restrictions

Turunen, Sanni; Kopra, Juho; Lappalainen, Saara; Sund, Reijo; Kröger, Heikki; Rikkonen, Toni, 2026, Scandinavian journal of public health, [First published online January 12, 2026], 1-8. A1 Journal article (refereed), original research

Plasma fatty acids reflect pain, disability, and psychological well-being in knee osteoarthritis in a longitudinal study with joint replacement surgery

Mustonen, Anne-Mari; Säisänen, Laura; Karttunen, Lauri; Esrafilian, Amir; Julkunen, Petro; Reijonen, Jusa; Käkelä, Reijo; Sihvo, Sanna P.; Kopra, Juho; Kröger, Heikki; Arokoski, Jari; Nieminen, Petteri, 2026, Scientific reports, 16, 6022. A1 Journal article (refereed), original research

A cross-sectional study examining nursing students’ cultural competence in Finland

Kallakorpi, Susanna; Kopra, Juho; Haatainen, Kaisa; Kankkunen, Päivi, 2025, International journal of caring sciences, 18, 2, 760-773. A1 Journal article (refereed), original research

Family support in acute care settings: perspectives of family members on cognitive and emotional support

Kiwanuka, Frank; Kopra, Juho; Sak-Dankosky, Natalia; Nanyonga, Rose Clarke; Kvist, Tarja, 2025, Bmc nursing, 24, 1, 752. A1 Journal article (refereed), original research

Impact of Treatment Decisions on Survival Outcomes in Elderly Patients With Non–Small Cell Lung Cancer: A Retrospective Real-World Study

Paappanen, V; Järvenpää, H; Jukkola, A; Päkkilä, P; Sahlström, S; Klaavuniemi, T; Sailas, L; Ahvonen, J; Kuitunen, H; Kopra, J; Kuittinen, O; Tengström, M; Tiainen, S, 2025, Clinical oncology, 47, 103930. A1 Journal article (refereed), original research

Long-term consumption of liquid dairy products predicts lower fracture risk in aging women: a 25-year follow-up

Alaghehband, Fatemeh Ramezan; Lyytinen, Arja T.; Isanejad, Masoud; Kopra, Juho; Kröger, Heikki; Rikkonen, Toni, 2025, European journal of nutrition, 64, 5, 213. A1 Journal article (refereed), original research

An R Approach to Data Cleaning and Wrangling for Education Research

Kopra, Juho; Tikka, Santtu; Heinäniemi, Merja; López-Pernas, Sonsoles; Saqr, Mohammed, 2024, Saqr, Mohammed; López-Pernas, Sonsoles, Learning Analytics Methods and Tutorials: A Practical Guide Using R, 95-119. A3 Book section, Chapters in research books

Climate change perceptions among nursing students: A comparative study between Finland and the United States

Tiitta, Iira; Kopra, Juho; McDermott-Levy, Ruth; Jaakkola, Jouni JK; Kuosmanen, Lauri, 2024, Nurse education today, 146, 106541. A1 Journal article (refereed), original research

Getting Started with R for Education Research

Tikka, Santtu; Kopra, Juho; Heinäniemi, Merja; López-Pernas, Sonsoles; Saqr, Mohammed, 2024, Saqr, Mohammed; López-Pernas, Sonsoles, Learning Analytics Methods and Tutorials: A Practical Guide Using R, 67-94. A3 Book section, Chapters in research books

Introductory Statistics with R for Educational Researchers

Tikka, Santtu; Kopra, Juho; Heinäniemi, Merja; López-Pernas, Sonsoles; Saqr, Mohammed, 2024, Saqr, Mohammed; López-Pernas, Sonsoles, Learning Analytics Methods and Tutorials: A Practical Guide Using R, 121-150. A3 Book section, Chapters in research books

Licensed Practical Nurses' (LPNs') Evaluations of the Attractiveness of Work and Wellbeing at Work: A Cross-Sectional Nationwide Study

Roos, Mia; Kopra, Juho; Tevameri, Terhi; Viinikainen, Sari; Kuosmanen, Lauri, 2024, Journal of nursing management, 2024, 1, 3432230. A1 Journal article (refereed), original research

Obstetric claims in Finland 2012–2022—A nationwide patient insurance registry study

Lojander, Jaana; Welling, Maiju; Axelin, Anna; Härkänen, Marja; Kopra, Juho; Lamminpää, Reeta, 2024, Acta obstetricia et gynecologica scandinavica, 103, 7, 1377-1385. A1 Journal article (refereed), original research

Physical and mental health predicts better adherence to exercise intervention in older women: A post-hoc analysis

Laakso, J; Kopra, J; Koivumaa-Honkanen, H; Sirola, J; Honkanen, R; Kröger, H; Rikkonen, T, 2024, Heliyon, 10, 11, e32128. A1 Journal article (refereed), original research

Visualizing and Reporting Educational Data with R

López-Pernas, Sonsoles; Misiejuk, Kamila; Tikka, Santtu; Kopra, Juho; Heinäniemi, Merja; Saqr, Mohammed, 2024, Saqr, Mohammed; López-Pernas, Sonsoles, Learning Analytics Methods and Tutorials: A Practical Guide Using R, 151-194. A3 Book section, Chapters in research books

Health check-ups as interventions for work disability management: supervisors and occupational healthcare follow the recommendations to a great extent

Kuronen, Jarmo; Winell, Klas; Kopra, Juho; Räsänen, Kimmo, 2023, Occupational and environmental medicine, 80, 3, 170-176. A1 Journal article (refereed), original research

Increasing selenium concentration in Finnish organic milk using participatory action approach

Kuusela, Eeva; Okker, Laura; Kopra, Juho, 2023, Agricultural and food science, 32, 1, 1-8. A1 Journal article (refereed), original research

Predictive ability of a self-rated fall risk assessment tool in community-dwelling older women

Vilpunaho, Tommi; Karinkanta, Saija; Sievänen, Harri; Kopra, Juho; Kröger, Heikki; Rikkonen, Toni, 2023, Aging clinical and experimental research, 35, 6, 1205-1212. A1 Journal article (refereed), original research

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

Hult, Marja; Kallio, Hanna; Kangasniemi, Mari; Pesonen, Tanja; Kopra, Juho, 2023, International archives of occupational and environmental health, 96, 10, 1383-1392. A1 Journal article (refereed), original research

Mihin murtumiin liittyy matala luuntiheys ja korkeat FRAX- murtumariskipisteet?

Tahvanainen, Niina; Jahnukainen, Miira; Kopra, Juho; Kröger, Heikki, 2022, Suomen ortopedia ja traumatologia, 45, 2, 150-154. D1 Article in a trade journal

Polychoric Correlation with Ordinal Data in Nursing Research

Kiwanuka, Frank; Kopra, Juho; Sak-Dankosky, Natalia; Nanyonga, Rose Clarke; Kvist, Tarja, 2022, Nursing research, 71, 6, 469-476. A1 Journal article (refereed), original research

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

Nygren, Henri; Kopra, Juho; Kröger, Heikki; Kuitunen, Ilari; Mattila, Ville M; Ponkilainen, Ville; Rikkonen, Toni; Sund, Reijo; Sirola, Joonas, 2022, Acta orthopaedica, 93, 360-366. A1 Journal article (refereed), original research

Characteristics of Long-Term Femoral Neck Bone Loss in Postmenopausal Women: A 25-Year Follow-Up

Moilanen, Anna; Kopra, Juho; Kröger, Heikki; Sund, Reijo; Rikkonen, Toni; Sirola, Joonas, 2021, Journal of bone and mineral research, 2022; 37, 2, 173-178. A1 Journal article (refereed), original research

Ikääntyneiden kaatumisriskin itsearviointilomakkeen (KaatumisSeula) ennustevaliditeetti

Vilpunaho, Tommi; Kopra, Juho; Karinkanta, Saija; Sievänen, Harri ; Sirola, Joonas; Kröger, Heikki; Rikkonen, Toni, 2021, Suomen ortopedia ja traumatologia, 44, 1, 54-59. D1 Article in a trade journal

Koronaviruksen aiheuttamien rajoitusten vaikutus vammojen ja tyypillisten murtumien ilmaantuvuuteen Suomessa

Nygren, Henri; Kopra, Juho; Kröger, Heikki; Kuitunen, Ilari; Mattila, Ville M.; Ponkilainen, Ville; Rikkonen, Toni; Sund, Reijo; Sirola, Joonas, 2021, Suomen ortopedia ja traumatologia, 44, 1, 75 - 80. D1 Article in a trade journal

Koronavirusten aiheuttamien rajoitusten vaikutus vammojen ja tyypillisten murtumien ilmaantuvuuteen Suomessa

Nygren, Henri; Kopra, Juho; Kröger, Heikki; Kuitunen, Ilari; Mattila, Ville M; Ponkilainen, Ville; Rikkonen, Toni; Sund, Reijo; Sirola, Joonas, 2021, Suomen ortopedia ja traumatologia, 44, 1, 75-80. D1 Article in a trade journal

Regional and gender-specific analyses give new perspectives for secular trend in hip fracture incidence

Pekonen, S-R; Kopra, J; Kröger, H; Rikkonen, T; Sund, R, 2021, Osteoporosis international, 32, 9, 1725-1733. A1 Journal article (refereed), original research

Quality improvement activity in occupational healthcare associated with reduced need for disability retirement: A Bayesian mixed effects modelling study in Finland

Kuronen, J; Winell, K; Kopra, J; Räsänen, K, 2020, Scandinavian journal of work environment and health, 46, 6, 630-638. A1 Journal article (refereed), original research

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Publications

Lifestyle and health behaviour changes of ageing Finnish women during early COVID-19 restrictions

Plasma fatty acids reflect pain, disability, and psychological well-being in knee osteoarthritis in a longitudinal study with joint replacement surgery

A cross-sectional study examining nursing students’ cultural competence in Finland

Family support in acute care settings: perspectives of family members on cognitive and emotional support

Impact of Treatment Decisions on Survival Outcomes in Elderly Patients With Non–Small Cell Lung Cancer: A Retrospective Real-World Study

Long-term consumption of liquid dairy products predicts lower fracture risk in aging women: a 25-year follow-up

An R Approach to Data Cleaning and Wrangling for Education Research

Climate change perceptions among nursing students: A comparative study between Finland and the United States

Getting Started with R for Education Research

Introductory Statistics with R for Educational Researchers

Licensed Practical Nurses' (LPNs') Evaluations of the Attractiveness of Work and Wellbeing at Work: A Cross-Sectional Nationwide Study

Obstetric claims in Finland 2012–2022—A nationwide patient insurance registry study

Physical and mental health predicts better adherence to exercise intervention in older women: A post-hoc analysis

Visualizing and Reporting Educational Data with R

Health check-ups as interventions for work disability management: supervisors and occupational healthcare follow the recommendations to a great extent

Increasing selenium concentration in Finnish organic milk using participatory action approach

Predictive ability of a self-rated fall risk assessment tool in community-dwelling older women

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

Mihin murtumiin liittyy matala luuntiheys ja korkeat FRAX- murtumariskipisteet?

Polychoric Correlation with Ordinal Data in Nursing Research

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

Characteristics of Long-Term Femoral Neck Bone Loss in Postmenopausal Women: A 25-Year Follow-Up

Ikääntyneiden kaatumisriskin itsearviointilomakkeen (KaatumisSeula) ennustevaliditeetti

Koronaviruksen aiheuttamien rajoitusten vaikutus vammojen ja tyypillisten murtumien ilmaantuvuuteen Suomessa

Koronavirusten aiheuttamien rajoitusten vaikutus vammojen ja tyypillisten murtumien ilmaantuvuuteen Suomessa

Regional and gender-specific analyses give new perspectives for secular trend in hip fracture incidence

Quality improvement activity in occupational healthcare associated with reduced need for disability retirement: A Bayesian mixed effects modelling study in Finland