List of works by Koichiro Oka

A longitudinal residential relocation study of changes in street layout and physical activity

scientific article published on 08 April 2021

Accelerometer-Measured Diurnal Patterns of Sedentary Behavior among Japanese Workers: A Descriptive Epidemiological Study

scientific article published on 27 May 2020

Activity-Friendly Built Environments in a Super-Aged Society, Japan: Current Challenges and toward a Research Agenda

scientific article published on 19 September 2018

Age-related differences in physiologic and psychosocial outcomes after cardiac rehabilitation.

scientific article published in January 2010

Assessing Physical Activity and Sedentary Behavior under Free-Living Conditions: Comparison of Active Style Pro HJA-350IT and ActiGraphTM GT3X

scientific article published on 23 August 2019

Association between mental health and physical activity in patients with chronic heart failure

scientific article published on 25 April 2013

Association of Perceived Built Environment Attributes with Objectively Measured Physical Activity in Community-Dwelling Ambulatory Patients with Stroke

scientific article published on 15 October 2019

Association of Physical Activity and Sedentary Behavior With Psychological Well-Being Among Japanese Children: A Two-Year Longitudinal Study

scientific article

Association of eHealth literacy with colorectal cancer knowledge and screening practice among internet users in Japan

scientific article

Association of muscle-strengthening activity with knee and low back pain, falls, and health-related quality of life among Japanese older adults: a cross-sectional survey

scientific article

Association of self-reported physical activity patterns and socio-demographic factors among normal-weight and overweight Japanese men

scientific article

Associations between perceived health benefits and barriers to strength training, and stages of change for strength-training behavior among older Japanese adults

scientific article published on 01 May 2014

Associations between the traditional and novel neighbourhood built environment metrics and weight status among Canadian men and women

scientific article published on 22 July 2020

Associations of Neighborhood Environmental Attributes with Walking in Japan: Moderating Effects of Area-Level Socioeconomic Status.

scientific article published on 12 September 2017

Associations of Perceived and Objectively Measured Neighborhood Environmental Attributes With Leisure-Time Sitting for Transport

scientific article published on 30 August 2016

Associations of eHealth Literacy With Health Behavior Among Adult Internet Users

scientific article published on 18 July 2016

Associations of eHealth Literacy with Obtaining Knowledge about Colorectal Cancer among Internet Users Accessing a Reputable Cancer Website: Internet-Based Survey Study

scientific article published on 09 May 2020

Associations of low-intensity light physical activity with physical performance in community-dwelling elderly Japanese: A cross-sectional study

scientific article

Associations of neighbourhood walkability indices with weight gain.

scientific article published on 3 April 2018

Associations of older adults' excursions from home with health-related physical activity and sedentary behavior

scientific article published on 01 October 2020

Associations of sedentary behavior and physical activity with older adults' physical function: an isotemporal substitution approach.

scientific article published on 6 December 2017

Associations of street layout with walking and sedentary behaviors in an urban and a rural area of Japan

scientific article published on 10 March 2017

Associations of total amount and patterns of objectively measured sedentary behavior with performance-based physical function

scientific article published on 11 September 2018

Awareness and correlates of the role of physical activity in breast cancer prevention among Japanese women: results from an internet-based cross-sectional survey

scientific article

Built environment correlates of objectively-measured sedentary behaviours in densely-populated areas

scientific article published on 02 October 2020

Built environmental factors and adults' travel behaviors: Role of street layout and local destinations

scientific article published on 19 December 2016

Cardiac rehabilitation outcome following percutaneous coronary intervention compared to cardiac surgery

scientific article published on 01 May 2011

Clustering of Domain-Specific Sedentary Behaviors and Their Association With Physical Function Among Community-Dwelling Older Adults

scientific article published on 19 May 2020

Cognitive Function of Elderly Persons in Japanese Neighborhoods: The Role of Street Layout

scientific article published on 21 April 2019

Comparability of activity monitors used in Asian and Western-country studies for assessing free-living sedentary behaviour

scientific article published on 18 October 2017

Comparison of Older and Newer Generation Active Style Pro Accelerometers in Physical Activity and Sedentary Behavior Surveillance under a Free-Living Environment.

scientific article published on 7 May 2019

Comparison of accelerometer-measured sedentary behavior, and light- and moderate-to-vigorous-intensity physical activity in white- and blue-collar workers in a Japanese manufacturing plant.

scientific article published on 20 March 2018

Content analysis of news coverage on cancer prevention and screening in Japanese newspapers

scientific article published on January 2017

Correlates of prolonged television viewing time in older Japanese men and women

scientific article

Cross-cultural validation of the Cancer Stigma Scale in the general Japanese population

scientific article published on 01 July 2020

Cross-sectional and prospective associations of neighbourhood environmental attributes with screen time in Japanese middle-aged and older adults.

scientific article published on 2 March 2018

Cross-sectional associations of sedentary behaviour and physical activity on depression in Japanese older adults: an isotemporal substitution approach

scientific article published on 25 September 2018

Cut-offs for calf circumference as a screening tool for low muscle mass: WASEDA'S Health Study

scientific article published on 04 September 2020

Determinants of meeting the public health recommendations for physical activity among community-dwelling elderly Japanese

scientific article published in February 2012

Determination of the effectiveness of accelerometer use in the promotion of physical activity in cardiac patients: a randomized controlled trial

scientific article published on 28 June 2012

Development of measure for disease-specific quality of life in patients with chronic heart failure

scientific article published on 01 October 2003

Diabetes mellitus may lower daily physical activity in heart failure patients

scientific article published on 23 July 2013

Dietary patterns and abdominal obesity in middle-aged and elderly Japanese adults: Waseda Alumni's Sports, Exercise, Daily Activity, Sedentariness and Health Study (WASEDA'S Health Study)

article

Differences in daily in-hospital physical activity and geriatric nutritional risk index in older cardiac inpatients: preliminary results

scientific article published on 03 May 2014

Differences in maximum phonation time based on body mass index in chronic heart failure patients.

scientific article

Differences in nutritional status and activities of daily living and mobility in elderly hospitalized patients with heart failure

article

Differences in physical performance based on the Geriatric Nutritional Risk Index in elderly female cardiac patients

scientific article published on 3 August 2014

Differences in transportation and leisure physical activity by neighborhood design controlling for residential choice

scientific article published on 09 May 2019

Distinct associations of different sedentary behaviors with health-related attributes among older adults

scientific article published on 10 August 2014

Dog ownership and adults' objectively-assessed sedentary behaviour and physical activity

scientific article published on 15 October 2020

Dog ownership and health-related physical activity among Japanese adults.

scientific article published in July 2009

Dog-walking in dense compact areas: The role of neighbourhood built environment

scientific article published on 18 November 2019

Drivers Are More Physically Active Than Non-Drivers in Older Adults.

scientific article published on 28 May 2018

Effect of the self-monitoring approach on exercise maintenance during cardiac rehabilitation: a randomized, controlled trial

scientific article published on 01 May 2005

Effect of watching professional baseball at a stadium on health-related outcomes among Japanese older adults: A randomized controlled trial

scientific article published on 16 May 2019

Environmental, psychological, and social influences on physical activity among Japanese adults: structural equation modeling analysis

scientific article

Factors associated with the stages of change for dog walking among Japanese dog owners.

scientific article published on 29 February 2012

Factors influencing life-space mobility change after total knee arthroplasty in patients with severe knee osteoarthritis

scientific article published on 26 November 2019

Gender and grade differences in objectively measured physical activity and sedentary behavior patterns among Japanese children and adolescents: a cross-sectional study

scientific article published on 18 December 2015

Gender-related differences in clinical characteristics and physiological and psychosocial outcomes of Japanese patients at entry into phase II cardiac rehabilitation

scientific article published on 01 March 2008

Gender-related differences in maximum gait speed and daily physical activity in elderly hospitalized cardiac inpatients: a preliminary study

scientific article

Gender-related differences in sedentary behavior of Japanese living overseas in Malaysia

scientific article published on 24 May 2020

Handgrip strength as a predictor of prognosis in Japanese patients with congestive heart failure

scientific article

Health-related quality of life in relation to different levels of disease severity in patients with chronic heart failure

scientific article

How Do Neighbourhood Definitions Influence the Associations between Built Environment and Physical Activity?

scientific article published on 28 April 2019

Identifying environmental, social, and psychological correlates of meeting the recommended physical activity levels for colon cancer prevention among Japanese adults.

scientific article published on 6 February 2013

Improvement in physiological outcomes and health-related quality of life following cardiac rehabilitation in patients with acute myocardial infarction

scientific article published on 01 April 2004

Independent and Combined Associations of Physical Activity and Sedentary Behavior with Depressive Symptoms Among Japanese Adults

scientific article published on 8 April 2015

Influence of Watching Professional Baseball on Japanese Elders' Affect and Subjective Happiness

scientific article published on January 2017

Joint Associations of Leisure Screen Time and Physical Activity with Academic Performance in a Sample of Japanese Children

scientific article published on 24 January 2020

Joint associations of physical activity and screen time with overweight among japanese adults

scientific article published on 30 November 2011

Leisure-time physical activity over four seasons in chronic heart failure patients

scientific article published on 05 October 2014

Light and sporadic physical activity overlooked by current guidelines makes older women more active than older men.

scientific article

Local-Area Walkability and Socioeconomic Disparities of Cardiovascular Disease Mortality in Japan

scientific article published on 09 June 2020

Long-term exercise maintenance, physical activity, and health-related quality of life after cardiac rehabilitation.

scientific article published in December 2004

Longitudinal Changes of Handgrip, Knee Extensor Muscle Strength, and the Disability of the Arm, Shoulder and Hand Score in Cardiac Patients During Phase II Cardiac Rehabilitation

scientific article published on 26 March 2019

Longitudinal change in maximum phonation time and exercise capacity in chronic heart failure patients.

scientific article published on 17 March 2015

Maximum phonation time is related to disease severity in male chronic heart failure patients

scientific article published on 15 April 2014

Meeting physical activity recommendations for colon cancer prevention among Japanese adults: prevalence and sociodemographic correlates

scientific article

Micronutrient Intake Adequacy in Men and Women with a Healthy Japanese Dietary Pattern

scientific article published on 18 December 2019

Muscle strength in relation to disease severity in patients with congestive heart failure

scientific article published on 01 November 2007

Muscle strength of male inpatients with heart failure with reduced versus preserved ejection fraction

scientific article published on 07 January 2014

Natural movement: A space syntax theory linking urban form and function with walking for transport

scientific article published on 11 January 2019

Neighborhood environmental attributes and adults' maintenance of regular walking

scientific article

Neighbourhood built environment and cardiovascular disease: knowledge and future directions

scientific article published on 12 February 2020

Neighbourhood environments and risk of incident atrial fibrillation: limitations and future directions

scientific article published on 04 October 2019

News Coverage of Cancer in Japanese Newspapers: A Content Analysis

scientific article published on 17 June 2016

Objectively Measured Neighborhood Walkability and Change in Physical Activity in Older Japanese Adults: A Five-Year Cohort Study

scientific article published on 22 August 2018

Objectively Measured Sedentary Behavior, Obesity, and Psychological Well-Being: A Cross-Sectional Study of Japanese Schoolchildren

scientific article published on 29 December 2016

Objectively-Assessed Patterns and Reported Domains of Sedentary Behavior Among Japanese Older Adults

scientific article published on 27 October 2018

Obtaining information about cancer: prevalence and preferences among Japanese adults

scientific article

Older adults' daily step counts and time in sedentary behavior and different intensities of physical activity

scientific article published on 13 June 2020

Patterns of objectively assessed sedentary time and physical activity among Japanese workers: a cross-sectional observational study

scientific article published on 24 February 2019

Patterns of physical activity outside of school time among Japanese junior high school students

scientific article published in September 2013

Perceived and objectively measured access to strength-training facilities and strength-training behavior.

scientific article published in August 2014

Perceived environmental factors associated with physical activity among normal-weight and overweight Japanese men.

scientific article

Perceived neighbourhood environmental attributes and prospective changes in TV viewing time among older Australian adults

scientific article

Physical Activity Environment and Japanese Adults' Body Mass Index.

scientific article

Physical Activity and Sedentary Behavior Assessment: A Laboratory-Based Evaluation of Agreement between Commonly Used ActiGraph and Omron Accelerometers

scientific article published on 28 August 2019

Physical Activity, Television Viewing Time, and 12-Year Changes in Waist Circumference

scientific article

Physical activity in relation to exercise capacity in chronic heart failure patients

scientific article published on 01 October 2011

Physical activity of Japanese older adults who own and walk dogs

scientific article published on 01 October 2012

Physiological and health-related quality of life outcomes following cardiac rehabilitation after cardiac surgery

scientific article

Prevalence and correlates of dog walking among Japanese dog owners

scientific article published on 01 August 2012

Prevalence and demographic correlates of meeting the physical activity recommendation among Japanese adults.

scientific article published in January 2009

Psychological, social, and environmental factors to meeting physical activity recommendations among Japanese adults

scientific article published on 28 August 2009

Recess physical activity and perceived school environment among elementary school children

scientific article

Recommended level of physical activity and health-related quality of life among Japanese adults

scientific article

Relation between VE/VCO2 slope and maximum phonation time in chronic heart failure patients

scientific article

Relation between physical activity and exercise capacity of ≥5 metabolic equivalents in middle- and older-aged patients with chronic heart failure

scientific article published on 30 March 2012

Relation between sleep quality and physical activity in chronic heart failure patients

scientific article published on 01 September 2011

Relation of the three-component model of short form-36 scores to disease severity in chronic heart failure outpatients

scientific article published on 26 March 2012

Relationship between Daytime Sleepiness and Health Utility in Patients after Cardiac Surgery: A Preliminary Study

scientific article published on 02 December 2018

Relationship of thresholds of physical performance to nutritional status in older hospitalized male cardiac patients

scientific article published on 26 February 2014

Relationships between foot problems, fall experience and fear of falling among Japanese community-dwelling elderly

scientific article published on 01 August 2010

Reliability and Validity of the Activity Diversity Questionnaire for Older Adults in Japan

scientific article published on 31 March 2020

Replacing sedentary time with physical activity: effects on health-related quality of life in older Japanese adults

article

Respiratory muscle strength in relation to sarcopenia in elderly cardiac patients.

scientific article published on 22 January 2016

Sarcopenia and physical activity in older male cardiac patients

scientific article

School grade and sex differences in domain-specific sedentary behaviors among Japanese elementary school children: a cross-sectional study

scientific article published on 13 April 2017

Sedentary Behavior and Health-Related Quality of Life Among Japanese Living Overseas

article

Sedentary behavior and estimated nephron number in middle-aged and older adults with or without chronic kidney disease

scientific article published on 24 August 2021

Sedentary behaviour, physical activity, and renal function in older adults: isotemporal substitution modelling

scientific article published on 03 June 2020

Sedentary time in older adults: a critical review of measurement, associations with health, and interventions.

scientific article

Sedentary time in older men and women: an international consensus statement and research priorities

scientific article

Simple-measured leg muscle strength and the prevalence of diabetes among Japanese males: a cross-sectional analysis of data from the Kameda health study

scientific article published on 22 January 2020

Social participation among older adults not engaged in full- or part-time work is associated with more physical activity and less sedentary time.

scientific article

Social participation reduces isolation among Japanese older people in urban area: A 3-year longitudinal study

scientific article published on 20 September 2019

Social-ecological correlates of accelerometer-measured occupational sitting among Japanese desk-based workers

scientific article published on 08 November 2019

Sociodemographic and anthropometric factors associated with screen-based sedentary behavior among Japanese adults: a population-based cross-sectional study

scientific article published on 27 July 2013

Sources of strength-training information and strength-training behavior among Japanese older adults

scientific article published on 04 July 2014

Stages of change for exercise behavior and self-efficacy for exercise among middle-aged adults

scientific article published on March 1, 2003

Stand-up test overestimates the decline of locomotor function in taller people: a cross-sectional analysis of data from the Kameda Health Study

article

Strength-training behavior and perceived environment among Japanese older adults

scientific article published on 01 July 2011

Television viewing time is associated with overweight/obesity among older adults, independent of meeting physical activity and health guidelines

scientific article published on 10 December 2011

Television viewing time is associated with overweight/obesity among older adults, independent of meeting physical activity and health guidelines: reply to Stabler and colleagues

scientific article

The effects of pain coping skills training among older outpatients with osteoarthritis

scientific article published in January 2017

The effects of unsupervised exercise training on physical activity and physiological factors after supervised cardiac rehabilitation

scientific article

The relation between Geriatric Nutritional Risk Index and muscle mass, muscle strength, and exercise capacity in chronic heart failure patients

scientific article published on 15 August 2014

Types of social participation and psychological distress in Japanese older adults: A five-year cohort study

scientific article

Upper and lower extremity muscle strength levels associated with an exercise capacity of 5 metabolic equivalents in male patients with heart failure

scientific article published in March 2012

Usefulness of step counts to predict mortality in Japanese patients with heart failure

scientific article published on 27 March 2013

Validity and Reliability of Japanese-Language Self-reported Measures for Assessing Adults Domain-Specific Sedentary Time

scientific article published on 28 October 2017

Validity of Walk Score® as a measure of neighborhood walkability in Japan.

scientific article published on 28 January 2018

Visceral fat and cardiorespiratory fitness with prevalence of pre-diabetes/diabetes mellitus among middle-aged and elderly Japanese people: WASEDA'S Health Study

scientific article published on 20 October 2020

Walkable Urban Design Attributes and Japanese Older Adults' Body Mass Index: Mediation Effects of Physical Activity and Sedentary Behavior

scientific article published on 25 November 2018

Walking-friendly built environments and objectively measured physical function in older adults

scientific article published on 07 February 2020

Work Engagement, Productivity, and Self-reported Work-Related Sedentary Behavior among Japanese Adults: A Cross-sectional Study

scientific article

Workplace neighbourhood built environment and workers' physically-active and sedentary behaviour: a systematic review of observational studies

scientific article published on 20 November 2020

[Developing Japanese version of the eHealth Literacy Scale (eHEALS)].

scientific article

[Development of a rating scale for self-efficacy of physical activity in frail elderly people]

scientific article published on 01 November 2006

[Effects of exercise intervention on exercise behavior in community-dwelling elderly subjects: a randomized controlled trial]

scientific article published on 01 January 2013

[Exercises, physical activities and public health (8): Promotion of physical activities utilizing health communication]

scientific article published on 01 October 2008

[Longitudinal change in awareness levels of Japanese exercise guidelines and physical activity]

scientific article published on 01 March 2011

[Pain coping strategy, pain and activity restriction among middle-aged and elderly women with knee pain].

scientific article published in September 2008

[Relationships between perception of Exercise Guidelines 2006, perception of other health promotion policies, and demographic variables].

scientific article published in October 2009

[The process and factors associated with the establishment of voluntary groups among community-dwelling elderly]

scientific article published in January 2014

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