Prospective Study on the Effect of Air Quality Monitoring and Advocacy for Implementation of Smoking Ban in Mumbai
This project was conducted in collaboration with Roswell Park Cancer Institute, USA from February 2009 to June 2010 in Mumbai.

The objective of the study was to assess the impact of intervention towards implementing smoke free policies on indoor air quality in hospitality venues. Study measured indoor air quality in bars and restaurants (here after referred as Bars), restaurants, country liquor bars, hookah restaurants, and pubs from all over Mumbai. Concentrations of Respirable Suspended Particles (RSP) of the size 2.5 microns were measured by using a “SIDEPAK™ AM510 Personal Aerosol Monitor”.

Outcome of the study

The baseline study clearly demonstrated that the average PM2.5level was higher at hospitality venues where smoking was observed compared to those where smoking was not observed. PM 2.5 level was especially high in hookah restaurants and country liquor bars. The hookah parlors had the worst air quality; they were least cooperative in the study and also least compliant with the tobacco control laws. Venues with low compliance were recruited into a randomized controlled trial in which one arm received intervention on implementation of smoke free policies. An assessment was made three months after the intervention. Presence of signage and non-smoking improved more in both country liquor bar and restaurants in the intervention group as compared to control group. The presence of signage and non-smoking improved considerably in bars and restaurants of control arm as well, because many of them were visited by the teams of Smoke Free Mumbai campaign during the intervening period The intervention proved to be quite effective in terms of improving in indoor air quality in the intervention group as compared to control group especially in country liquor bars and restaurants.
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