The effect of randomised exposure to different types of natural outdoor environments compared to exposure to an urban environment on people with indications of psychological distress in Catalonia.

Margarita Triguero-MasChristopher J GidlowDavid MartínezJeroen de BontGlòria Carrasco-TurigasTania Martínez-ÍñiguezGemma HurstDaniel MastersonDavid Donaire-GonzalezEdmund SetoMarc V JonesMark J Nieuwenhuijsen

Published in: PloS one (2017)

Clinicaltrials.gov NCT02624921.

Keyphrases

clinical trial
open label
air pollution
double blind
study protocol
placebo controlled
sleep quality
particulate matter
randomized controlled trial