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List of works by Erja Portegijs

A tailored counseling and home-based rehabilitation program to increase physical activity and improve mobility among community-dwelling older people after hospitalization: protocol of a randomized controlled trial.

scientific article published on 21 November 2017

ASYMMETRICAL LOWER EXTREMITY POWER DEFICIT AS A RISK FACTOR FOR INJURIOUS FALLS IN HEALTHY OLDER WOMEN

Active aging - resilience and external support as modifiers of the disablement outcome: AGNES cohort study protocol.

scientific article published on 2 May 2018

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

scientific article published on 27 November 2019

Assessment of health literacy among older Finns

scientific article published on 21 December 2018

Assimilative and Accommodative Coping and Older People's Leisure Activities

scientific article published on 03 June 2019

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

scientific article published on 21 March 2022

Association between arterial stiffness and walking capacity in older adults

Association between physical performance and sense of autonomy in outdoor activities and life-space mobility in community-dwelling older people

scientific article published on 21 March 2014

Association of self-reported hearing difficulty to objective and perceived participation outside the home in older community-dwelling adults

scientific article published on 19 June 2014

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

scientific article published on 17 November 2018

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

scientific article

Associations Between Environmental Characteristics and Life-Space Mobility in Community-Dwelling Older People

article

Associations Between Reasons to Go Outdoors and Objectively-Measured Walking Activity in Various Life-Space Areas Among Older People

scientific article published on 7 May 2015

Associations between Perceived Outdoor Environment and Walking Modifications in Community-Dwelling Older People: A Two-Year Follow-Up Study

scientific article published on 28 July 2020

Associations of Environmental Features With Outdoor Physical Activity on Weekdays and Weekend Days: A Cross-Sectional Study Among Older People

scientific article published on 30 October 2020

Balance confidence and functional balance are associated with physical disability after hip fracture

scientific article published on 9 August 2012

Balance confidence was associated with mobility and balance performance in older people with fall-related hip fracture: a cross-sectional study

scientific article published on 12 June 2012

Barriers to and facilitators of participation of older adults in a placebo-controlled randomized clinical trial

scientific article published in August 2013

Barriers to outdoor physical activity and unmet physical activity need in older adults

Birth cohort differences in cognitive performance in 75- and 80-year-olds: a comparison of two cohorts over 28 years

scientific article published on 12 September 2020

Changes in life-space mobility and quality of life among community-dwelling older people: a 2-year follow-up study.

scientific article

Cohort Differences in Depressive Symptoms and Life Satisfaction in 75- and 80-Year-Olds: A Comparison of Two Cohorts 28 Years Apart

Cohort differences in maximal physical performance: a comparison of 75- and 80-year-old men and women born 28 years apart

scientific article published on 04 September 2020

Comment on “Fatigability: A Prognostic Indicator of Phenotypic Aging”

scientific article

Comment on: A critical analysis of the internal logic in the Life-Space Assessment (LSA) composite score and suggested solutions

scientific article published on 6 November 2015

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

scientific article

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

scientific article published on 21 September 2020

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

scientific article

Developing an Assessment Method of Active Aging: University of Jyvaskyla Active Aging Scale.

scientific article published in January 2018

Do Associations Between Perceived Environmental and Individual Characteristics and Walking Limitations Depend on Lower Extremity Performance Level?

scientific article published on 6 April 2016

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

scientific article

Editorial: Healthy Aging and the Community Environment

scientific article

Effects of a home-based physical rehabilitation program on physical disability after hip fracture: a randomized controlled trial

scientific article published on 14 February 2015

Effects of a rehabilitation program on perceived environmental barriers in older patients recovering from hip fracture: a randomized controlled trial

scientific article published on 6 August 2013

Effects of an Individualized Active Aging Counseling Intervention on Mobility and Physical Activity: Secondary Analyses of a Randomized Controlled Trial

scientific article published on 10 June 2020

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

scientific article published on 22 January 2020

Effects of intensive strength-power training on sense of coherence among 60-85-year-old people with hip fracture: a randomized controlled trial

scientific article published in June 2012

Effects of progressive resistance training on physical disability among older community-dwelling people with history of hip fracture

scientific article published on 01 April 2012

Effects of resistance training on lower-extremity impairments in older people with hip fracture.

scientific article published on September 2008

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

scientific article published on 19 December 2019

Environmental mobility barriers and walking for errands among older people who live alone vs. with others

scientific article

Executive function and life-space mobility in old age.

scientific article published on 21 April 2017

Failure to regain function at 3 months after acute hospital admission predicts institutionalization within 12 months in older patients

scientific article published on 8 May 2012

Health literacy supports active aging

scientific article published on 19 November 2020

Health literacy supports active aging

Hearing and Quality of Life Among Community-Dwelling Older Adults.

scientific article published on 6 May 2016

Hilliness and the Development of Walking Difficulties Among Community-Dwelling Older People

scientific article published on 26 December 2018

Identification of Older People at Risk of ADL Disability Using the Life-Space Assessment: A Longitudinal Cohort Study

scientific article published on 21 January 2016

Impact of mobility restrictions on active aging; cross-sectional associations and longitudinal changes parallel to COVID-19 restrictions

scientific article

Individual and environmental factors underlying life space of older people - study protocol and design of a cohort study on life-space mobility in old age (LISPE).

scientific article

Individual scaling of accelerometry to preferred walking speed in the assessment of physical activity in older adults

scientific article published on 07 June 2020

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

scientific article published on 07 January 2019

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

scientific article published on 24 February 2022

Is frailty associated with life-space mobility and perceived autonomy in participation outdoors? A longitudinal study

scientific article

Leg Extension Power Deficit and Mobility Limitation in Women Recovering from Hip Fracture

article

Leg extension power asymmetry and mobility limitation in healthy older women

scientific article published in September 2005

Life resources and personal goals in old age.

scientific article

Life-Space Mobility and Active Aging as Factors Underlying Quality of Life among Older People before and during COVID-19 Lock-down in Finland - a Longitudinal Study

scientific article published on 30 October 2020

Life-space mobility and active ageing

scientific article

Life-space mobility and dimensions of depressive symptoms among community-dwelling older adults

scientific article

Life-space mobility and quality of life in community-dwelling older people

scientific article

Life-space mobility assessment in older people in Finland; measurement properties in winter and spring

scientific article

Lower-Limb Pain, Disease, and Injury Burden as Determinants of Muscle Strength Deficit After Hip Fracture

scientific article published on 01 July 2009

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

scientific article published on 19 December 2019

Maintenance of high quality of life as an indicator of resilience during COVID-19 social distancing among community-dwelling older adults in Finland

scientific article

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

scientific article published on 28 November 2020

Mobility Modification Alleviates Environmental Influence on Incident Mobility Difficulty among Community-Dwelling Older People: A Two-Year Follow-Up Study

scientific article

Moving through Life-Space Areas and Objectively Measured Physical Activity of Older People

scientific article published on 7 August 2015

Nature as a facilitator for physical activity: Defining relationships between the objective and perceived environment and physical activity among community-dwelling older people

scientific article published on 3 January 2018

Nature diversity and well-being in old age.

scientific article

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

scientific article published on 17 November 2019

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

scientific article published on 23 June 2020

Neighborhood Walkability, Walking Difficulties, and Participation in Leisure Activities Among Older People: A Cross-Sectional Study and 4-Year Follow-Up of a Subsample

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

Objectively Measured Physical Activity and Changes in Life-Space Mobility Among Older People

scientific article

Older Adults' Physical Activity and the Relevance of Distances to Neighborhood Destinations and Barriers to Outdoor Mobility

scientific article published on 07 August 2020

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

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

scientific article

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

scientific article published on 01 March 2020

Perceived Benefit From Hearing Aid Use and Life-Space Mobility Among Community-Dwelling Older Adults

scientific article published on 02 December 2016

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

scientific article

Perceived and objective entrance-related environmental barriers and daily out-of-home mobility in community-dwelling older people

scientific article published on 19 November 2016

Perceived environmental barriers to outdoor mobility and changes in sense of autonomy in participation outdoors among older people: a prospective two-year cohort study

Perceived environmental barriers to outdoor mobility and feelings of loneliness among community-dwelling older people

scientific article published on 26 May 2014

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

scientific article published on 21 January 2019

Personal goals and changes in life-space mobility among older people

scientific article published on 5 September 2015

Physical Limitations, Walkability, Perceived Environmental Facilitators and Physical Activity of Older Adults in Finland.

scientific article published on 22 March 2017

Physical activity compensates for increased mortality risk among older people with poor muscle strength

scientific article published on 13 December 2006

Physical activity scaled to preferred walking speed as a predictor of walking difficulty in older adults: a 2-year follow-up

scientific article

Physical inactivity and pain in older men and women with hip fracture history

scientific article published on 28 May 2010

Psychological resilience and active aging among older people with mobility limitations

scientific article

Psychometric properties of the MOBITEC-GP mobile application for real-life mobility assessment in older adults

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

scientific article published on 16 September 2020

Self-Reported Hearing Status Is Associated with Lower Limb Physical Performance, Perceived Mobility, and Activities of Daily Living in Older Community-Dwelling Men and Women

scientific article published on June 2015

Self-rated resilience and mobility limitations as predictors of change in active aging during COVID-19 restrictions in Finland: a longitudinal study

scientific article

Self-reported hearing difficulties and changes in life-space mobility among community-dwelling older adults: a Two-year follow-Up study

scientific article

Self-reported hearing is associated with time spent out-of-home and withdrawal from leisure activities in older community-dwelling adults

scientific article

Sense of Coherence: Effect on Adherence and Response to Resistance Training in Older People with Hip Fracture History

article

Socioeconomic Status and Life-Space Mobility in Old Age.

scientific article published on 6 April 2016

Task Modifications in Walking Postpone Decline in Life-Space Mobility Among Community-Dwelling Older People: A 2-year Follow-up Study

scientific article

The Association Between Transportation and Life-Space Mobility in Community-Dwelling Older People With or Without Walking Difficulties

scientific article published on 26 November 2015

The Associations of Activity Fragmentation with Physical and Mental Fatigability among Community-Dwelling 75-, 80- and 85-Year-Old People

scientific article published on 02 July 2020

The Combined Effect of Lower Extremity Function and Cognitive Performance on Perceived Walking Ability Among Older People: A 2-Year Follow-up Study

The Scales of Psychological Well-Being - a validation, usability and test-retest study among community-dwelling older people in Finland

scientific article published on 13 February 2020

The Temporal Association between Executive Function and Life-Space Mobility in Old Age.

scientific article published in November 2017

The association between objectively measured physical activity and life-space mobility among older people

scientific article published on 30 December 2014

The effect of body mass index, lower extremity performance, and use of a private car on incident life-space restriction: a two-year follow-up study

scientific article published on 08 November 2018

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

scientific article published on 01 April 2020

The effects of muscle strength and power training on mobility among older hip fracture patients

article

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

Type of surgery is associated with pain and walking difficulties among older people with previous hip fracture

scientific article published on 14 July 2015

Use of walking modifications, perceived walking difficulty and changes in outdoor mobility among community-dwelling older people during COVID-19 restrictions

scientific article

Validity of a single question to assess habitual physical activity of community-dwelling older people

scientific article published on 17 October 2016

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