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  1. Rantanen T., Saajanaho M., Karavirta L., Siltanen S., Rantakokko M., Viljanen A., Rantalainen T., Pynnönen K., Karvonen A., Lisko I., Palmberg L., Eronen J., Palonen E-M., Hinrichs T., Kauppinen M., Kokko K. & Portegijs E. (2018). Active aging – resilience and external support as modifiers of the disablement outcome: AGNES cohort study protocol. BMC Public Health 18, 565.
  2. Rantanen, T., Pynnönen, K., Saajanaho, M., Siltanen, S., Karavirta, L., Kokko, K., Karvonen, A., Kauppinen, M., Rantalainen, T., Rantakokko, M., Portegijs, E., & Hassandra, M. (2019). Individualized counselling for active aging : protocol of a single-blinded, randomized controlled trial among older people (the AGNES intervention study). BMC Geriatrics, 19, 5.
  3. Rantanen, T., Portegijs, E., Kokko, K., Rantakokko, M., Törmäkangas, T., & Saajanaho, M. (2019). Developing an Assessment Method of Active Aging : University of Jyvaskyla Active Aging Scale. Journal of Aging and Health, 31(6), 1002-1024.
  4. Siltanen, S., Rantanen, T., Portegijs, E., Tourunen, A., Poranen-Clark, T., Eronen, J., & Saajanaho, M. (2019). Association of tenacious goal pursuit and flexible goal adjustment with out-of-home mobility among community-dwelling older people. Aging Clinical and Experimental Research, 31(9), 1249-1256.
  5. Eronen J., Paakkari L., Portegijs E., Saajanaho M. & Rantanen T. (2019). Assessment of health literacy among older Finns. Aging Clin Exp Res 31(4): 549–556.
  6. Portegijs E., Karavirta L., Saajanaho M., Rantalainen T. & Rantanen T. (2019). Assessing physical performance and physical activity in large population-based aging studies: home-based assessments or visits to the research center? BMC Public Health 19:1570.
  7. Tourunen A., Siltanen S., Saajanaho M., Koivunen K., Kokko K. & Rantanen T. (2019). Psychometric properties of the 10-item Connor-Davidson resilience scale among Finnish older adults. Aging Ment Health. 2019.
  8. Rantanen T., Hassandra M., Pynnönen K., Siltanen S., Kokko K., Karavirta L., Kauppinen M., Sipilä S., Saajanaho M. & Portegijs E. (2020). The effect of individualized, theory-based counselling intervention on active aging and quality of life among older people (the AGNES intervention study). Aging Clin Exp Res 2020 Apr 1. doi: 10.1007/s40520-020-01535-x. [Epub ahead of print]
  9. Palmberg, L., Rantalainen, T., Rantakokko, M., Karavirta, L., Siltanen, S., Skantz, H., Saajanaho, M., Portegijs, E., & Rantanen, T. (2020). The Associations of Activity Fragmentation with Physical and Mental Fatigability among Community-Dwelling 75-, 80- and 85-Year-Old People. Journals of Gerontology Series A : Biological Sciences and Medical Sciences, 75(9), e103-e110.
  10. Skantz, H., Rantanen, T., Palmberg, L., Rantalainen, T., Aartolahti, E., Portegijs, E., Viljanen, A., Eronen, J., & Rantakokko, M. (2020). Outdoor Mobility and Use of Adaptive or Maladaptive Walking Modifications among Older People. Journals of Gerontology Series A : Biological Sciences and Medical Sciences, 75(4), 806-812.
  11. Palmberg, L., Portegijs, E., Rantanen, T., Aartolahti, E., Viljanen, A., Hirvensalo, M., & Rantakokko, M. (2020). Neighborhood Mobility and Unmet Physical Activity Need in Old Age : A 2-Year Follow-Up. Journal of Aging and Physical Activity, 28(3), 442-447.
  12. Koivunen, K., Sillanpää, E., von Bonsdorff, M., Sakari, R., Törmäkangas, T., & Rantanen, T. (2020). Mortality Risk among Older People Who Did Versus Did Not Sustain a Fracture : Baseline Prefracture Strength and Gait Speed as Predictors in a 15-Year Follow-Up. Journals of Gerontology Series A : Biological Sciences and Medical Sciences, 75(10), 1996-2002.
  13. Koivunen K, Sillanpää E, von Bonsdorff M, Sakari R, Pynnönen K, Rantanen T. (2020).Living alone vs. living with someone as a predictor of mortality after a bone fracture in older age. Aging Clin Exp Res. 2020 Mar 9. doi: 10.1007/s40520-020-01511-5. [Epub ahead of print]
  14. Karavirta L., Rantalainen T., Skantz H., Lisko I., Portegijs E. & Rantanen T. (2020). Individual scaling of accelerometry to preferred walking speed in the assessment of physical activity in older adults [published online ahead of print, 2020 Jun 7]. J Gerontol A Biol Sci Med Sci.
  15. Keskinen, K. E., Rantakokko, M., Suomi, K., Rantanen, T., & Portegijs, E. (2020). Hilliness and the Development of Walking Difficulties Among Community-Dwelling Older People. Journal of Aging and Health, 32(5-6), 278-284.
  16. Rantalainen, T., Karavirta, L., Pirkola, H., Rantanen, T., & Linnamo, V. (2020). Gait Variability Using Waist- and Ankle-Worn Inertial Measurement Units in Healthy Older Adults. Sensors, 20(10), Article 2858.
  17. Siltanen S., Portegijs E., Pynnönen K., Hassandra M., Rantalainen T., Karavirta L., Saajanaho M. & Rantanen T. (2020) Effects of an Individualized Active Aging Counseling Intervention on Mobility and Physical Activity: Secondary Analyses of a Randomized Controlled Trial [published online ahead of print, 2020 Jun 10]. J Aging Health. doi: 1177/0898264320924258
  18. Skantz, H., Rantanen, T., Rantalainen, T., Keskinen, K. E., Palmberg, L., Portegijs, E., Eronen, J., & Rantakokko, M. (2020). Associations between Perceived Outdoor Environment and Walking Modifications in Community-Dwelling Older People : A Two-Year Follow-Up Study. Journal of Aging and Health, 32(10), 1538-1551.
  19. Leppä, H., Karavirta, L., Rantalainen, T., Rantakokko, M., Siltanen, S., Portegijs, E., & Rantanen, T. (2021). Use of walking modifications, perceived walking difficulty and changes in outdoor mobility among community-dwelling older people during COVID-19 restrictions. Aging Clinical and Experimental Research, 33(10), 2909-2916.
  20. Saajanaho, M., Kokko, K., Pynnönen, K., Tourunen, A., Törmäkangas, T., Portegijs, E., & Rantanen, T. (2021). The Scales of Psychological Well-Being : a validation, usability and test-retest study among community-dwelling older people in Finland. Aging and Mental Health, 25(5), 913-922.
  21. Siltanen, S., Tourunen, A., Saajanaho, M., Palmberg, L., Portegijs, E., & Rantanen, T. (2021). Psychological resilience and active aging among older people with mobility limitations. European Journal of Ageing, 18(1), 65-74.
  22. Portegijs E., Keskinen KE., Tuomola EM., Hinrichs T., Saajanaho M. & Rantanen T. (2021) Older adults’ activity destinations before and during COVID-19 restrictions: From a variety of activities to mostly physical exercise close to home. Health Place. 68, 102533.
  23. Rantanen T., Eronen J., Kauppinen M., Kokko K., Sanaslahti S., Kajan N & Portegijs E. (2021) Life-Space Mobility and Active Aging as Factors Underlying Quality of Life Among Older People Before and During COVID-19 Lockdown in Finland-A Longitudinal Study. J Gerontol A Biol Sci Med Sci. 76(3):e60-e67.
  24. Eronen J., Paakkari L., Portegijs E., Saajanaho M. & Rantanen T. (2021). Health literacy supports active aging. Preventive Medicine 2021 Feb;143:106330 doi: 10.1016/j.ypmed.2020.106330
  25. Pynnönen K, Kokko K, Saajanaho M, Törmäkangas T, Portegijs E, & Rantanen T. (2021). Do opposite ends of same factors underlie life satisfaction vs. depressive symptoms among older people? Aging Clin Exp Res. 2021. doi:10.1007/s40520-020-01765-z
  26. Löppönen, A., Karavirta, L., Portegijs, E., Koivunen, K., Rantanen, T., Finni, T., Delecluse, C., Van Roie, E., & Rantalainen, T. (2021). Day-to-Day Variability and Year-to-Year Reproducibility of Accelerometer-Measured Free-Living Sit-to-Stand Transitions Volume and Intensity among Community-Dwelling Older Adults. Sensors, 21(18), Article 6068.
  27. Eronen J, Paakkari L, Portegijs E, Rantanen T. (2021). Coronavirus-related health literacy and perceived restrictiveness of protective measures among community-dwelling older persons in Finland. Aging Clinical and Experimental Research  2021 Aug;33(8):2345-2353. doi: 10.1007/s40520-021-01928-6
  28. Koivunen, K., Sillanpää, E., Munukka, M., Portegijs, E., & Rantanen, T. (2021). Cohort differences in maximal physical performance : a comparison of 75- and 80-year-old men and women born 28 years apart. Journals of Gerontology Series A : Biological Sciences and Medical Sciences, 76(7), 1251-1259.
  29. Munukka, M., Koivunen, K., von Bonsdorff, M. B., Sipilä, S., Portegijs, E., Ruoppila, I., & Rantanen, T. (2021). Birth cohort differences in cognitive performance in 75- and 80-year-olds : a comparison of two cohorts over 28 years. Aging Clinical and Experimental Research, 33(1), 57-65.
  30. Skantz, H., Rantalainen, T., Karavirta, L., Rantakokko, M., Palmberg, L., Portegijs, E., & Rantanen, T. (2021). Associations Between Accelerometer-Based Free-Living Walking and Self-Reported Walking Capability Among Community-Dwelling Older People. Journal of Aging and Physical Activity, 1(aop), 1-8. DOI:
  31. Siltanen, S., Portegijs, E., Saajanaho, M., Pynnönen, K., Kokko, K., & Rantanen, T. (2022). Self-rated resilience and mobility limitations as predictors of change in active aging during COVID-19 restrictions in Finland : a longitudinal study. European Journal of Ageing, 19(3), 475-484.
  32. Karavirta, L., Leppä, H., Rantalainen, T., Eronen, J., Portegijs, E., & Rantanen, T. (2022). Physical activity scaled to preferred walking speed as a predictor of walking difficulty in older adults : a 2-year follow-up. Journals of Gerontology Series A : Biological Sciences and Medical Sciences, 77(3), 597-604.
  33. Koivunen, K., Portegijs, E., Sillanpää, E., Eronen, J., Kokko, K., & Rantanen, T. (2022). Maintenance of high quality of life as an indicator of resilience during COVID-19 social distancing among community-dwelling older adults in Finland. Quality of Life Research, 31(3), 713-722.
  34. Rantalainen, T., Koivunen, K., Portegijs, E., Rantanen, T., Palmberg, L., Karavirta, L., & Chastin, S. (2022). Is Complexity of Daily Activity Associated with Physical Function and Life Space Mobility among Older Adults? Medicine and Science in Sports and Exercise, 54(7), 1210- 1217.
  35. Portegijs, E., Saajanaho, M., Leppä, H., Koivunen, K., Eronen, J., & Rantanen, T. (2022). Impact of mobility restrictions on active aging : cross-sectional associations and longitudinal changes parallel to COVID-19 restrictions. Archives of Gerontology and Geriatrics, 98, Article 104522.
  36. Koivunen, K., Schaap, L.A., Hoogendijk, E.O., Schoonmade, L.J., Huisman, M., & van Schoor, N.M. (2022). Exploring the Conceptual Framework and Measurement Model of Intrinsic Capacity Defined by the World Health Organization : A Scoping Review. Ageing Research Reviews, 80, Article 101685.
  37. Löppönen, A., Karavirta, L., Koivunen, K., Portegijs, E., Rantanen, T., Finni, T., Delecluse, C., Van Roie, E., & Rantalainen, T. (2022). Association Between Free-Living Sit-to-Stand Transition Characteristics, and Lower-Extremity Performance, Fear of Falling, and Stair Negotiation Difficulties Among Community-Dwelling 75 to 85-Year-Old Adults. Journals of Gerontology Series A: Biological Sciences and Medical Sciences, 77(8), 1644-1653.
  38. Hinrichs, T., Portegijs, E., Rantanen, T., Infanger, D., Schmidt-Trucksäss, A., & Karavirta, L. (2022). Association between arterial stiffness and walking capacity in older adults. Experimental Gerontology, 167, Article 111925.
  39. Tuomola, E.-M., Keskinen, K. E., Hinrichs, T., Rantanen, T., & Portegijs, E. (2023). Older Adults’ Self-Reported Physical Activity and Distance to and Land Use Around Reported Physical Exercise Destinations. Journal of Aging and Physical Activity, Ahead of Print.
  40. Koivunen, K., Hoogendijk, E. O., Schaap, L. A., Huisman, M., Heymans, M. W., & van Schoor, N. M. (2023). Development and validation of an intrinsic capacity composite score in the Longitudinal Aging Study Amsterdam : a formative approach. Aging Clinical and Experimental Research, 35(4), 815-825.
  41. Kekäläinen, T., Koivunen, K., Pynnönen, K., Portegijs, E., & Rantanen, T. (2023). Cohort Differences in Depressive Symptoms and Life Satisfaction in 75- and 80-Year-Olds : A Comparison of Two Cohorts 28 Years Apart. Journal of Aging and Health, OnlineFirst.
  42. Löppönen, A., Delecluse, C., Suorsa, K., Karavirta, L., Leskinen, T., Meulemans, L., Portegijs, E., Finni, T., Rantanen, T., Stenholm, S., Rantalainen, T., & Van Roie, E. (2023). Association of Sit-to-Stand Capacity and Free-Living Performance Using Thigh-Worn Accelerometers among 60-90-Year-Old Adults. Medicine and Science in Sports and Exercise, Ahead of Print.

Doctoral dissertations

  1. Siltanen S. 2020. Psychological resources as modifiers of the association between mobility decline and activity in old age. Faculty of Sport and Health Sciences, University of Jyväskylä.
  2. Keskinen K. 2021. Features of the physical environment, walking difficulty, and physical activity in old age. Faculty of Sport and Health Sciences, University of Jyväskylä.
  3. Koivunen K. 2021. Resilience in old age : physical performance and psychosocial factors in changing sociohistorical contexts and as resources in adversities. Faculty of Sport and Health Sciences, University of Jyväskylä.
  4. Palmberg, L. 2021. Associations of sleep characteristics and fatigue with physical activity patterns and unmet physical activity need in old age. Faculty of Sport and Health Sciences, University of Jyväskylä.
  5. Leppä, H. 2022. Walking modifications as facilitators of mobility in old age. Faculty of Sport and Health Sciences, University of Jyväskylä.

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