Skip to main content
Menu
Main navigation
About
About
RTI Health Solutions is a globally recognized research organization dedicated to improving healthcare decisions through rigorous science, innovative methodologies, and collaborative partnerships.
Why Us?
About Us
Therapeutic Experience
Research Team
Data Protection
Website Privacy Policy
Cookie Policy
Data Protection
Service Categories
Service Categories
Explore our areas of expertise to learn how we can generate the evidence you need to support decision making throughout the lifecycle of your product.
Value, Access, and HEOR
Overview
Health Economics
Value and Access
HTA and Reimbursement Submissions
Outcomes Research
Patient-Centered Research
Overview
Patient-Reported Outcomes
Health Preference Assessment
Regulatory and Safety
Overview
Epidemiology
Biostatistics
Regulatory Strategy and Support
Medical Communications
Overview
Creative Services
Scientific Communications
Strategic Solutions
Strategic Solutions
Explore how we can help you address key opportunities and trends facing pharmaceutical and bioscience companies today to help ensure your products can be accessed and used in the real world.
Real-World Evidence
Overview
Regulatory RWE Strategy
Database and Registry Research
RWE with Primary Data Collection
Research Collaborations
Medical Affairs
Overview
Strategy
Insight
Delivery
Joint Clinical Assessment (JCA)
Implementation Science
Careers
Careers
Discover how you can make a meaningful impact in global health research by joining our collaborative, mission-driven team at RTI Health Solutions.
Overview
Benefits
Career Development
Employee Stories
Overview
Sharing Knowledge
Excellent Working Atmosphere
A Reservoir of Expertise
Upholding Scientific Integrity
Commitment to Wellbeing
Developing New Skillsets
Helping Families In Need
Supportive Teams
Encouraging Senior Staff
Collaboration
Meaningful Work
Locations
Our Culture
Resource Center
Resource Center
Explore our Resource Center for expert insights, compelling case studies, engaging videos, timely updates, and upcoming events—all designed to keep you informed and inspired.
All Resources
Overview
Case Studies
Webinars
Videos
Infographics
Insights
Updates
Events
Publications
Search
Enter your keywords
Breadcrumb
Home
Publications
https://www.rtihs.org/publications/concepts-interaction
Concepts of Interaction
Rothman KJ
, Greenland S, Walker AM.
Concepts of interaction
. Am J Epidemiol. 1980 Jan 1;112(4):467-70.
Share on:
Abstract not available at this time.
