Related Experiment Video
Updated: Jan 23, 2026
03:26
Author Spotlight: Advancements and Challenges in Surgical Treatments for Postamputation Pain
Published on: March 8, 2024
3.5K
Investigating the Role of the Environment on Physical Activity Interventions (the InSPACE Project): Protocol for a
Amy J Youngbloom1, Maya Rowland2, Stephen J Mooney1
1Department of Epidemiology, School of Public Health, University of Washington, 3980 15th Ave NE, Seattle, WA, 98195, United States, 1 2065431065.
JMIR Research Protocols
|January 22, 2026
Summary
The InSPACE study examines how neighborhood environments influence physical activity (PA) interventions. This research pools data to understand environmental moderators of PA, informing future public health strategies.
Area of Science:
- Public Health
- Environmental Science
- Behavioral Science
Background:
- Physical activity (PA) interventions aim to increase activity levels, but their effectiveness may be influenced by neighborhood environmental factors.
- Previous research has lacked the scope to fully assess the role of neighborhood attributes like walkability, crime, and greenspace on PA intervention outcomes.
Purpose of the Study:
- To assess the moderating effect of neighborhood attributes on interventions designed to increase physical activity.
- To create a harmonized dataset from multiple lifestyle intervention trials for comprehensive environmental analysis.
Main Methods:
- The Interventions Supporting Physical Activity and the Environment (InSPACE) study utilized the Automatic Context Measurement Tool (ACMT) to collect environmental data.
- Demographic, device-based activity (accelerometry), and ACMT-generated environmental data were pooled and harmonized from US-based PA intervention trials.
Main Results:
- As of August 2025, 39 PA intervention trials were recruited, with data from 31 trials processed, creating a pooled dataset of 4471 participants.
- A significant portion (97.5%) of participants have linked environmental data, and nearly half (49.4%) have accelerometry data for baseline and post-intervention assessment.
Conclusions:
- The InSPACE study will elucidate the role of the environment in modulating the effectiveness of PA interventions.
- The established protocols for data harmonization and analysis in InSPACE can guide future large-scale research projects.
Keywords:
accelerometrybuilt environmentinterventionsphysical activityphysical activity interventionpooled analysissocial environmentMore Related Videos
Related Concept Videos
01:55Secondary Active Transport
137.4K
One example of how cells use the energy contained in electrochemical gradients is demonstrated by glucose transport into cells. The ion vital to this process is sodium (Na+), which is typically present in higher concentrations extracellularly than in the cytosol. Such a concentration difference is due, in part, to the action of an enzyme “pump” embedded in the cellular membrane that actively expels Na+ from a cell. Importantly, as this pump contributes to the high concentration of...
137.4K
01:32Secondary Active Transport
9.4K
One example of how cells use the energy contained in electrochemical gradients is demonstrated by glucose transport into cells. The ion vital to this process is sodium (Na+), which is typically present in higher concentrations extracellularly than in the cytosol. Such a concentration difference is due, in part, to the action of an enzyme "pump" embedded in the cellular membrane that actively expels Na+ from a cell. Importantly, as this pump contributes to the high concentration of...
9.4K
01:23Physical Methods for Controlling Microbial Growth: Temperature
971
Heat is a widely used method to control microbial growth by targeting and denaturing cellular proteins, thereby killing or inactivating microbes. This method's effectiveness is quantified using parameters such as the thermal death point (TDP), thermal death time (TDT), and decimal reduction time (D value). TDP represents the lowest temperature at which all microorganisms in a liquid suspension are eliminated within 10 minutes, whereas TDT is the time necessary to achieve sterilization at a...
971
03:02Primary and Secondary Growth in Roots and Shoots
60.2K
Vascular plants, which account for over 90% of the Earth’s vegetation, all undergo primary growth—which lengthens roots and shoots. Many land plants, notably woody plants, also undergo secondary growth—which thickens roots and shoots.
60.2K
01:26Physical Methods for Controlling Microbial Growth: Radiation and Filtration
1.0K
Radiation and filtration are essential tools for microbial control, targeting microorganisms through distinct mechanisms. Radiation eliminates microbes by damaging their DNA, either killing them or inhibiting their growth. Based on wavelength, radiation is classified into two types: nonionizing and ionizing radiation.Non-ionizing radiation, such as UV radiation (200–400 nm), is absorbed by DNA, causing defects that effectively disinfect surfaces, air, and water, including safety cabinets.
1.0K
01:12Statistical Software for Data Analysis and Clinical Trials
1.4K
Statistical software is pivotal in data analysis and clinical trials by providing tools to analyze data, draw conclusions, and make predictions. These software packages range from simple data management applications to complex analytical platforms, supporting various statistical tests, models, and simulation techniques. Their significance lies in their ability to handle vast amounts of data with precision and efficiency, enabling researchers to validate hypotheses, identify trends, and make...
1.4K