Erja Portegijs

Affiliations

Gerontology Research Center and Faculty of Health Sciences, University of Jyväskylä, Jyväskylä, Finland.

Publications (50)

MOBIlity assessment with modern TEChnology in older patients' real-life by the General Practitioner: the MOBITEC-GP study protocol.

BMC public health

Avec: Mareike Münch , Robert Weibel , Alexandros Sofios , Haosheng Huang , Denis Infanger , Erja Portegijs , Eleftheria Giannouli , Jonas Mundwiler , Lindsey Conrow , Taina Rantanen , Arno Schmidt-Trucksäss , Andreas Zeller , Timo Hinrichs

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.

The journals of gerontology. Series A, Biological sciences and medical sciences

Avec: Taina Rantanen , Johanna Eronen , Markku Kauppinen , Katja Kokko , Sini Sanaslahti , Niina Kajan , Erja Portegijs

Coronavirus-related health literacy and perceived restrictiveness of protective measures among community-dwelling older persons in Finland.

Aging clinical and experimental research

Avec: Johanna Eronen , Leena Paakkari , Erja Portegijs , Taina Rantanen

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.

The journals of gerontology. Series A, Biological sciences and medical sciences

Avec: Antti Löppönen , Laura Karavirta , Kaisa Koivunen , Erja Portegijs , Taina Rantanen , Taija Finni , Christophe Delecluse , Evelien Van Roie , Timo Rantalainen

Older Adults' Self-Reported Physical Activity and Distance to and Land Use Around Reported Physical Exercise Destinations.

Journal of aging and physical activity

Avec: Essi-Mari Tuomola , Kirsi E Keskinen , Timo Hinrichs , Taina Rantanen , Erja Portegijs

Free-Living Sit-to-Stand Characteristics as Predictors of Lower Extremity Functional Decline Among Older Adults.

Medicine and science in sports and exercise

Avec: Antti Löppönen , Laura Karavirta , Taija Finni , Lotta Palmberg , Erja Portegijs , Taina Rantanen , Christophe Delecluse , Evelien Van Roie , Timo Rantalainen

Reliability and validity of the German version of the University of Jyvaskyla Active Aging Scale (UJACAS-G).

Journal of patient-reported outcomes

Avec: Timo Hinrichs , Taina Rantanen , Erja Portegijs , Lukas Nebiker , Roland Rössler , Fabian Schwendinger , Arno Schmidt-Trucksäss , Ralf Roth

Individualized counselling for active aging: protocol of a single-blinded, randomized controlled trial among older people (the AGNES intervention study).

BMC geriatrics

Avec: Taina Rantanen , Katja Pynnönen , Milla Saajanaho , Sini Siltanen , Laura Karavirta , Katja Kokko , Anu Karvonen , Markku Kauppinen , Timo Rantalainen , Merja Rantakokko , Erja Portegijs , Mary Hassandra

Psychological resilience and active aging among older people with mobility limitations.

European journal of ageing

Avec: Sini Siltanen , Anu Tourunen , Milla Saajanaho , Lotta Palmberg , Erja Portegijs , Taina Rantanen

Neighborhood environment, social participation, and physical activity in older adults with lower limb osteoarthritis: A mediation analysis.

Health & place

Avec: Florian Herbolsheimer , Nadine Ungar , Erja Portegijs , Dhayana Dallmeier , Laura Schaap , Toby Smith , Brendon Stubbs , Dorly Deeg , Richard Peter , Maria Victoria Castell , Ángel Otero , Mark Edwards , Paola Siviero , Federica Limongi , Elaine Dennison , Natasja van Schoor , Nicola Veronese , Erik J Timmermans , Suzan van der Pas

Physical Activity Changes From Before to During the First Wave of the COVID-19 Pandemic Among Community-Dwelling Older Adults in Finland.

Journal of aging and physical activity

Avec: Katja Lindeman , Laura Karavirta , Johanna Eronen , Niina Kajan , Erja Portegijs , Taina Rantanen

Associations between walking limitations and reported activity destinations among older adults.

European journal of ageing

Avec: Essi-Mari Tuomola , Kirsi E Keskinen , Taina Rantanen , Erja Portegijs

Longitudinal changes in life-space mobility and autonomy in participation outdoors among Finnish community-dwelling older adults from pre-COVID-19 to through the pandemic.

Aging clinical and experimental research

Avec: Katja Lindeman , Laura Karavirta , Kaisa Koivunen , Kirsi E Keskinen , Johanna Eronen , Erja Portegijs , Taina Rantanen

Resiliency amid the COVID-19 pandemic: engagement in meaningful activities as a mediator between coping ability and depressive symptoms among older adults.

Aging & mental health

Avec: Katja Pynnönen , Katja Kokko , Sini Siltanen , Erja Portegijs , Katja Lindeman , Taina Rantanen

Assessing physical performance and physical activity in large population-based aging studies: home-based assessments or visits to the research center?

BMC public health

Avec: Erja Portegijs , Laura Karavirta , Milla Saajanaho , Timo Rantalainen , Taina Rantanen

The effect of individualized, theory-based counselling intervention on active aging and quality of life among older people (the AGNES intervention study).

Aging clinical and experimental research

Avec: Taina Rantanen , Mary Hassandra , Katja Pynnönen , Sini Siltanen , Katja Kokko , Laura Karavirta , Markku Kauppinen , Sarianna Sipilä , Milla Saajanaho , Erja Portegijs

Neighborhood Resources Associated With Active Travel in Older Adults-A Cohort Study in Six European Countries.

Journal of aging and physical activity

Avec: Erja Portegijs , Erik J Timmermans , Maria V Castell , Elaine M Dennison , Florian Herbolsheimer , Federica Limongi , Suzan van der Pas , Laura A Schaap , Natasja van Schoor , Dorly J H Deeg

Individual Scaling of Accelerometry to Preferred Walking Speed in the Assessment of Physical Activity in Older Adults.

The journals of gerontology. Series A, Biological sciences and medical sciences

Avec: Laura Karavirta , Timo Rantalainen , Heidi Skantz , Inna Lisko , Erja Portegijs , Taina Rantanen

Effects of an individually targeted multicomponent counseling and home-based rehabilitation program on physical activity and mobility in community-dwelling older people after discharge from hospital: a randomized controlled trial.

Clinical rehabilitation

Avec: Katri M Turunen , Laura Aaltonen-Määttä , Timo Törmäkangas , Timo Rantalainen , Erja Portegijs , Sirkka Keikkala , Marja-Liisa Kinnunen , Taija Finni , Sarianna Sipilä , Riku Nikander

The Associations of Activity Fragmentation With Physical and Mental Fatigability Among Community-Dwelling 75-, 80-, and 85-Year-Old People.

The journals of gerontology. Series A, Biological sciences and medical sciences

Avec: Lotta Palmberg , Timo Rantalainen , Merja Rantakokko , Laura Karavirta , Sini Siltanen , Heidi Skantz , Milla Saajanaho , Erja Portegijs , Taina Rantanen

Older adults' activity destinations before and during COVID-19 restrictions: From a variety of activities to mostly physical exercise close to home.

Health & place

Avec: Erja Portegijs , Kirsi E Keskinen , Essi-Mari Tuomola , Timo Hinrichs , Milla Saajanaho , Taina Rantanen

Associations Between Accelerometer-Based Free-Living Walking and Self-Reported Walking Capability Among Community-Dwelling Older People.

Journal of aging and physical activity

Avec: Heidi Skantz , Timo Rantalainen , Laura Karavirta , Merja Rantakokko , Lotta Palmberg , Erja Portegijs , Taina Rantanen

Daily Physical Activity and Sedentary Time Assessed by Acceleration Based on Mean Amplitude Deviation among Older People.

International journal of environmental research and public health

Avec: Ying Gao , Timo Rantalainen , Taija Finni , Erja Portegijs , Johanna Eronen , Taina Rantanen , Merja Rantakokko

Is Complexity of Daily Activity Associated with Physical Function and Life-Space Mobility among Older Adults?

Medicine and science in sports and exercise

Avec: Timo Rantalainen , Kaisa Koivunen , Erja Portegijs , Taina Rantanen , Lotta Palmberg , Laura Karavirta , Sebastien Chastin

Association of Sit-to-Stand Capacity and Free-Living Performance Using Thigh-Worn Accelerometers among 60- to 90-Yr-Old Adults.

Medicine and science in sports and exercise

Avec: Antti Löppönen , Christophe Delecluse , Kristin Suorsa , Laura Karavirta , Tuija Leskinen , Lien Meulemans , Erja Portegijs , Taija Finni , Taina Rantanen , Sari Stenholm , Timo Rantalainen , Evelien VAN Roie

Physical Behavior Profiles Among Older Adults and Their Associations With Physical Capacity and Life-Space Mobility.

Journal of aging and physical activity

Avec: Lotta Palmberg , Antti Löppönen , Matti Hyvärinen , Erja Portegijs , Taina Rantanen , Timo Rantalainen , Laura Karavirta

Map-based assessment of older adults' life space: validity and reliability.

European review of aging and physical activity : official journal of the European Group for Research into Elderly and Physical Activity

Avec: Timo Hinrichs , Adriana Zanda , Michelle P Fillekes , Pia Bereuter , Erja Portegijs , Taina Rantanen , Arno Schmidt-Trucksäss , Andreas W Zeller , Robert Weibel

Health literacy supports active aging.

Preventive medicine

Avec: Johanna Eronen , Leena Paakkari , Erja Portegijs , Milla Saajanaho , Taina Rantanen

Do opposite ends of same factors underlie life satisfaction vs. depressive symptoms among older people?

Aging clinical and experimental research

Avec: Katja Pynnönen , Katja Kokko , Milla Saajanaho , Timo Törmäkangas , Erja Portegijs , Taina Rantanen

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

Avec: Matti Munukka , Kaisa Koivunen , Mikaela von Bonsdorff , Sarianna Sipilä , Erja Portegijs , Isto Ruoppila , Taina Rantanen

Environmental Features Associated With Older Adults' Physical Activity in Different Types of Urban Neighborhoods.

Journal of aging and physical activity

Avec: Kirsi E Keskinen , Merja Rantakokko , Kimmo Suomi , Taina Rantanen , Erja Portegijs

Neighborhood Mobility and Unmet Physical Activity Need in Old Age: A 2-Year Follow-Up.

Journal of aging and physical activity

Avec: Lotta Palmberg , Erja Portegijs , Taina Rantanen , Eeva Aartolahti , Anne Viljanen , Mirja Hirvensalo , Merja Rantakokko

Cohort Differences in Maximal Physical Performance: A Comparison of 75- and 80-Year-Old Men and Women Born 28 Years Apart.

The journals of gerontology. Series A, Biological sciences and medical sciences

Avec: Kaisa Koivunen , Elina Sillanpää , Matti Munukka , Erja Portegijs , Taina Rantanen

Perceived Opportunities for Physical Activity and Willingness to Be More Active in Older Adults with Different Physical Activity Levels.

International journal of environmental research and public health

Avec: Eeva Aartolahti , Johanna Eronen , Timo Törmäkangas , Taina Rantanen , Mirja Hirvensalo , Lotta Palmberg , Heidi Skantz , Anne Viljanen , Erja Portegijs , Susanne Iwarsson , Merja Rantakokko

Factors influencing functional recovery after limb-salvage surgery for lower extremity musculoskeletal tumours: a qualitative study combining patients' and healthcare professionals' perspectives.

Disability and rehabilitation

Avec: H W van Kouswijk , J Vrijsen , G H Seeber , E Portegijs , I van den Akker-Scheek

Timed up-and-go performance is associated with objectively measured life space in patients 3 months after ischemic stroke: a cross-sectional observational study.

Journal of neurology

Avec: Roland Rössler , Nikki Rommers , Eun-Kyeong Kim , Laura Iendra , Alexander Sofios , Eleftheria Giannouli , Erja Portegijs , Taina Rantanen , Denis Infanger , Stephanie Bridenbaugh , Stefan T Engelter , Arno Schmidt-Trucksäss , Robert Weibel , Nils Peters , Timo Hinrichs

Comparing the associations between muscle strength, walking speed, and mortality in community-dwelling older adults of two birth cohorts born 28 years apart.

GeroScience

Avec: Kaisa Koivunen , Erja Portegijs , Laura Karavirta , Taina Rantanen

Perception of parks and trails as mobility facilitators and transportation walking in older adults: a study using digital geographical maps.

Aging clinical and experimental research

Avec: Timo Hinrichs , Kirsi E Keskinen , Béla Pavelka , Johanna Eronen , Arno Schmidt-Trucksäss , Taina Rantanen , Erja Portegijs

Outdoor Mobility and Use of Adaptive or Maladaptive Walking Modifications Among Older People.

The journals of gerontology. Series A, Biological sciences and medical sciences

Avec: Heidi Skantz , Taina Rantanen , Lotta Palmberg , Timo Rantalainen , Eeva Aartolahti , Erja Portegijs , Anne Viljanen , Johanna Eronen , Merja Rantakokko

Association of tenacious goal pursuit and flexible goal adjustment with out-of-home mobility among community-dwelling older people.

Aging clinical and experimental research

Avec: Sini Siltanen , Taina Rantanen , Erja Portegijs , Anu Tourunen , Taina Poranen-Clark , Johanna Eronen , Milla Saajanaho

Assessment of health literacy among older Finns.

Aging clinical and experimental research

Avec: Johanna Eronen , Leena Paakkari , Erja Portegijs , Milla Saajanaho , Taina Rantanen

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

Avec: Sini Siltanen , Erja Portegijs , Milla Saajanaho , Katja Pynnönen , Katja Kokko , Taina Rantanen

Physical Activity Scaled to Preferred Walking Speed as a Predictor of Walking Difficulty in Older Adults: A 2-Year Follow-up.

The journals of gerontology. Series A, Biological sciences and medical sciences

Avec: Laura Karavirta , Heidi Leppä , Timo Rantalainen , Johanna Eronen , Erja Portegijs , Taina Rantanen

Recovery of mobility function and life-space mobility after ischemic stroke: the MOBITEC-Stroke study protocol.

BMC neurology

Avec: R Rössler , S A Bridenbaugh , S T Engelter , R Weibel , D Infanger , E Giannouli , A Sofios , L Iendra , E Portegijs , T Rantanen , L Streese , H Hanssen , R Roth , A Schmidt-Trucksäss , N Peters , T Hinrichs

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

Avec: Heidi Leppä , Laura Karavirta , Timo Rantalainen , Merja Rantakokko , Sini Siltanen , Erja Portegijs , Taina Rantanen

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 : an international journal of quality of life aspects of treatment, care and rehabilitation

Avec: Kaisa Koivunen , Erja Portegijs , Elina Sillanpää , Johanna Eronen , Katja Kokko , Taina Rantanen

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 (Basel, Switzerland)

Avec: Antti Löppönen , Laura Karavirta , Erja Portegijs , Kaisa Koivunen , Taina Rantanen , Taija Finni , Christophe Delecluse , Evelien Van Roie , Timo Rantalainen

Association between arterial stiffness and walking capacity in older adults.

Experimental gerontology

Avec: Timo Hinrichs , Erja Portegijs , Taina Rantanen , Denis Infanger , Arno Schmidt-Trucksäss , Laura Karavirta

Self-reported life-space mobility in the first year after ischemic stroke: longitudinal findings from the MOBITEC-Stroke project.

Journal of neurology

Avec: Timo Hinrichs , Roland Rössler , Denis Infanger , Robert Weibel , Janine Schär , Eva-Maria Peters , Erja Portegijs , Taina Rantanen , Arno Schmidt-Trucksäss , Stefan T Engelter , Nils Peters

Do the integrated theories of self-determination and planned behavior explain the change in active life engagement following a motivational counseling intervention among older people?

Social science & medicine (1982)

Avec: Katja Pynnönen , Mary Hassandra , Asko Tolvanen , Sini Siltanen , Erja Portegijs , Taina Rantanen

Réseau de co-auteurs

Taina Rantanen 45 collaborations

Laura Karavirta 18 collaborations

Timo Rantalainen 16 collaborations

Johanna Eronen 13 collaborations

Milla Saajanaho 11 collaborations

Timo Hinrichs 9 collaborations

Lotta Palmberg 9 collaborations

Sini Siltanen 9 collaborations

Merja Rantakokko 9 collaborations

Kaisa Koivunen 8 collaborations

Arno Schmidt-Trucksäss 7 collaborations

Katja Kokko 7 collaborations

Taija Finni 6 collaborations

Kirsi E Keskinen 6 collaborations

Katja Pynnönen 6 collaborations

Antti Löppönen 5 collaborations

Heidi Skantz 5 collaborations

Robert Weibel 4 collaborations

Denis Infanger 4 collaborations

Christophe Delecluse 4 collaborations

Markku Kauppinen 3 collaborations

Leena Paakkari 3 collaborations

Evelien Van Roie 3 collaborations

Essi-Mari Tuomola 3 collaborations

Roland Rössler 3 collaborations

Mary Hassandra 3 collaborations

Katja Lindeman 3 collaborations

Sarianna Sipilä 3 collaborations

Timo Törmäkangas 3 collaborations

Eeva Aartolahti 3 collaborations

Anne Viljanen 3 collaborations

Eleftheria Giannouli 2 collaborations

Niina Kajan 2 collaborations

Anu Tourunen 2 collaborations

Florian Herbolsheimer 2 collaborations

Federica Limongi 2 collaborations

Natasja van Schoor 2 collaborations

Erik J Timmermans 2 collaborations

Suzan van der Pas 2 collaborations

Matti Munukka 2 collaborations

Mirja Hirvensalo 2 collaborations

Elina Sillanpää 2 collaborations

E Portegijs 2 collaborations

Stefan T Engelter 2 collaborations

Nils Peters 2 collaborations

Heidi Leppä 2 collaborations

Mareike Münch 1 collaboration

Alexandros Sofios 1 collaboration

Haosheng Huang 1 collaboration

Jonas Mundwiler 1 collaboration

Lindsey Conrow 1 collaboration

Andreas Zeller 1 collaboration

Sini Sanaslahti 1 collaboration

Lukas Nebiker 1 collaboration

Fabian Schwendinger 1 collaboration

Ralf Roth 1 collaboration

Anu Karvonen 1 collaboration

Nadine Ungar 1 collaboration

Dhayana Dallmeier 1 collaboration

Laura Schaap 1 collaboration

Toby Smith 1 collaboration

Brendon Stubbs 1 collaboration

Dorly Deeg 1 collaboration

Richard Peter 1 collaboration

Maria Victoria Castell 1 collaboration

Ángel Otero 1 collaboration

Mark Edwards 1 collaboration

Paola Siviero 1 collaboration

Elaine Dennison 1 collaboration

Nicola Veronese 1 collaboration

Maria V Castell 1 collaboration

Elaine M Dennison 1 collaboration

Laura A Schaap 1 collaboration

Dorly J H Deeg 1 collaboration

Inna Lisko 1 collaboration

Katri M Turunen 1 collaboration

Laura Aaltonen-Määttä 1 collaboration

Sirkka Keikkala 1 collaboration

Marja-Liisa Kinnunen 1 collaboration

Riku Nikander 1 collaboration

Ying Gao 1 collaboration

Sebastien Chastin 1 collaboration

Kristin Suorsa 1 collaboration

Tuija Leskinen 1 collaboration

Lien Meulemans 1 collaboration

Sari Stenholm 1 collaboration

Evelien VAN Roie 1 collaboration

Matti Hyvärinen 1 collaboration

Adriana Zanda 1 collaboration

Michelle P Fillekes 1 collaboration

Pia Bereuter 1 collaboration

Andreas W Zeller 1 collaboration

Mikaela von Bonsdorff 1 collaboration

Isto Ruoppila 1 collaboration

Kimmo Suomi 1 collaboration

Susanne Iwarsson 1 collaboration

H W van Kouswijk 1 collaboration

J Vrijsen 1 collaboration

G H Seeber 1 collaboration

I van den Akker-Scheek 1 collaboration

Nikki Rommers 1 collaboration

Eun-Kyeong Kim 1 collaboration

Laura Iendra 1 collaboration

Alexander Sofios 1 collaboration

Stephanie Bridenbaugh 1 collaboration

Béla Pavelka 1 collaboration

Taina Poranen-Clark 1 collaboration

R Rössler 1 collaboration

S A Bridenbaugh 1 collaboration

S T Engelter 1 collaboration

R Weibel 1 collaboration

D Infanger 1 collaboration

E Giannouli 1 collaboration

A Sofios 1 collaboration

L Iendra 1 collaboration

T Rantanen 1 collaboration

L Streese 1 collaboration

H Hanssen 1 collaboration

R Roth 1 collaboration

A Schmidt-Trucksäss 1 collaboration

N Peters 1 collaboration

T Hinrichs 1 collaboration

Janine Schär 1 collaboration

Eva-Maria Peters 1 collaboration

Asko Tolvanen 1 collaboration