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Effects of a worksite tobacco control intervention in India: the Mumbai worksite tobacco control study, a cluster-randomised trial
  1. Glorian Sorensen1,2,
  2. Mangesh Pednekar2,3,
  3. Laura Shulman Cordeira1,
  4. Pratibha Pawar3,
  5. Eve M Nagler1,2,
  6. Anne M Stoddard4,
  7. Hae-Young Kim5,
  8. Prakash C Gupta2,3
  1. 1Center for Community-Based Research, Dana-Farber Cancer Institute, Boston, Massachusetts, USA
  2. 2Harvard T.H. Chan School of Public Health, Boston, Massachusetts, USA
  3. 3Healis-Sekhsaria Institute for Public Health, Navi Mumbai, India
  4. 4Statistical Consultant, Pelham, Massachusetts, USA
  5. 5New England Research Institutes, Watertown, Massachusetts, USA
  1. Correspondence to Dr Glorian Sorensen, Center for Community-Based Research, Dana-Farber Cancer Institute, 450 Brookline Avenue, Boston, MA 02215, USA; Glorian_Sorensen{at}


Objectives We assessed a worksite intervention designed to promote tobacco control among workers in the manufacturing sector in Greater Mumbai, India.

Methods We used a cluster-randomised design to test an integrated health promotion/health protection intervention, the Healthy, Safe, and Tobacco-free Worksites programme. Between July 2012 and July 2013, we recruited 20 worksites on a rolling basis and randomly assigned them to intervention or delayed-intervention control conditions. The follow-up survey was conducted between December 2013 and November 2014.

Results The difference in 30-day quit rates between intervention and control conditions was statistically significant for production workers (OR=2.25, p=0.03), although not for the overall sample (OR=1.70; p=0.12). The intervention resulted in a doubling of the 6-month cessation rates among workers in the intervention worksites compared to those in the control, for production workers (OR=2.29; p=0.07) and for the overall sample (OR=1.81; p=0.13), but the difference did not reach statistical significance.

Conclusions These findings demonstrate the potential impact of a tobacco control intervention that combined tobacco control and health protection programming within Indian manufacturing worksites.

Trial registration number NCT01841879.

  • Global health
  • Cessation
  • Disparities
  • Low/Middle income country
  • Socioeconomic status

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