Methods and Risks of Bias in Natural Experiments in Obesity: Opportunities for the Future Informed by a Systematic Review.

Emily A KnappWendy L BennettRenee F WilsonAllen ZhangEva TsengLawrence J CheskinEric B BassHadi KharraziElizabeth A Stuart

Published in: Obesity (Silver Spring, Md.) (2019)

To strengthen natural experiment study designs and enhance the validity of results, researchers should carefully consider and control for confounding and selection of comparison groups and consider study designs that address these biases.

Keyphrases

weight loss
physical activity
risk assessment
human health
finite element analysis