John Sirard

John Sirard

University of Massachusetts Amherst

H-index: 44

North America-United States

About John Sirard

John Sirard, With an exceptional h-index of 44 and a recent h-index of 29 (since 2020), a distinguished researcher at University of Massachusetts Amherst, specializes in the field of physical activity, youth, obesity prevention.

His recent articles reflect a diverse array of research interests and contributions to the field:

Category: In the News

Evaluation of Within-and Between-Site Agreement for Direct Observation of Physical Behavior Across Four Research Groups

1091

Association of Time-of-Day Physical Activity With Incident Cardiovascular Disease: The UK Biobank Study

Estimating Energy Expenditure In Free-living Adolescents: How Many Days Are Enough?: 721

Association of the time of day of peak physical activity with cardiovascular mortality: Findings from the UK Biobank study

Comparison Of Device-determined Physical Behavior Estimates In Community-dwelling Older Adults: 719

Estimating The Relative Intensity Of Free-living Behaviors Using Wearable Accelerometers: 1096

John Sirard Information

University

Position

___

Citations(all)

20007

Citations(since 2020)

5757

Cited By

16606

hIndex(all)

44

hIndex(since 2020)

29

i10Index(all)

74

i10Index(since 2020)

64

Email

University Profile Page

University of Massachusetts Amherst

Google Scholar

View Google Scholar Profile

John Sirard Skills & Research Interests

physical activity

youth

obesity prevention

Top articles of John Sirard

Title

Journal

Author(s)

Publication Date

Category: In the News

image

Stella L Volpe

2024/2/19

Evaluation of Within-and Between-Site Agreement for Direct Observation of Physical Behavior Across Four Research Groups

Journal for the Measurement of Physical Behaviour

Sarah Kozey Keadle

Julian Martinez

Scott J Strath

John Sirard

Dinesh John

...

2023/8/30

1091

Medicine & Science in Sports & Exercise

John R Sirard

2023/9/1

Association of Time-of-Day Physical Activity With Incident Cardiovascular Disease: The UK Biobank Study

Journal of Physical Activity and Health

Tongyu Ma

John R Sirard

Lydia Jennings

2023/4/19

Estimating Energy Expenditure In Free-living Adolescents: How Many Days Are Enough?: 721

Medicine & Science in Sports & Exercise

Greg J Petrucci Jr

Robin Shook

John Sirard

2023/9/1

Association of the time of day of peak physical activity with cardiovascular mortality: Findings from the UK Biobank study

Chronobiology International

Tongyu Ma

Lydia Jennings

John R Sirard

Yao Jie Xie

Chong-Do Lee

2023/3/4

Comparison Of Device-determined Physical Behavior Estimates In Community-dwelling Older Adults: 719

Medicine & Science in Sports & Exercise

Marcos A Amalbert-Birriel

John R Sirard

Catrine Tudor-Locke

2023/9/1

Estimating The Relative Intensity Of Free-living Behaviors Using Wearable Accelerometers: 1096

Medicine & Science in Sports & Exercise

Robert T Marcotte

Susan Park

John W Staudenmayer

Amanda E Paluch

John R Sirard

2023/9/1

Exploring The Relationship Between Physical Behaviors, Endorsement Of Sexism, And Sexist Experiences In Young Women: 779

Medicine & Science in Sports & Exercise

Melanna Cox

Paige Richmond

Annie Shtino

John Sirard

2023/9/1

Sleep measurement using wrist-worn accelerometer data compared with Polysomnography

Sensors

John D Chase

Michael A Busa

John W Staudenmayer

John R Sirard

2022/7/4

A Single Night Of Sleep Restriction Increases Next-day Sedentary Time In Healthy Young Adults: 1666

Medicine & Science in Sports & Exercise

John D Chase

Robert T Marcotte

John R Sirard

2022/9/1

Evaluation Of Wrist-based Accelerometer Intensity Classifications During Activities Of Daily Living In A Whole-room Calorimeter: 749

Medicine & Science in Sports & Exercise

Nicholas Remillard

Robert Marcotte

Christopher Hayden

John Sirard

Jane Kent

...

2022/9/1

Independent Sample Validation Of A Novel Sojourn-based Wrist Accelerometer Method In Free-living Settings: 637

Medicine & Science in Sports & Exercise

Robert T Marcotte

Michael A Busa

John W Staudenmayer

John R Sirard

2021/8/1

School-based secondary obesity prevention for eight-to twelve-year-olds: results from the students, nurses, and parents seeking healthy options together randomized trial

Childhood Obesity

Martha Y Kubik

Jiwoo Lee

Jayne A Fulkerson

Olga V Gurvich

John R Sirard

2021/4/1

A novel video-based direct observation system for assessing physical activity and sedentary behavior in children and young adults

Journal for the Measurement of Physical Behaviour

Melanna F Cox

Greg J Petrucci

Robert T Marcotte

Brittany R Masteller

John Staudenmayer

...

2020/3/1

A Novel Method To Estimate Free-living Physical Behaviors From A Wrist-Worn ActiGraphTMAccelerometer: 632 May 27 1: 15 PM-1: 30 PM

Medicine & Science in Sports & Exercise

Greg J Petrucci Jr

Robert T Marcotte

Melanna F Cox

Patty S Freedson

John Staudenmayer

...

2020/7/1

Self-efficacy, not peer or parent support, is associated with more physical activity and less sedentary time among 8-to 12-year-old youth with elevated body mass index

Journal of Physical Activity and Health

Krista Schroeder

Martha Y Kubik

Jiwoo Lee

John R Sirard

Jayne A Fulkerson

2020/1/1

Fragile And Feminine? The Effects Of Benevolent Sexism On College Women’s Physical Activity: 1107 Board# 233 May 27 2: 30 PM-4: 00 PM

Medicine & Science in Sports & Exercise

Melanna F Cox

Paige Richmond

Annie Shtino

John Sirard

2020/7/1

Estimating sedentary time from a hip-and wrist-worn accelerometer

Medicine and science in sports and exercise

Robert T Marcotte

Greg J Petrucci Jr

Melanna F Cox

Patty S Freedson

John W Staudenmayer

...

2020/1

812

Medicine & Science in Sports & Exercise

John R Sirard

2020/7/1

See List of Professors in John Sirard University(University of Massachusetts Amherst)