BackgroundMajor depression is one of the leading causes of disability worldwide, yet epidemiologic data are not available for many countries, particularly low- to middle-income countries. In this paper, we present data on the prevalence, impairment and demographic correlates of depression from 18 high and low- to middle-income countries in the World Mental Health Survey Initiative.MethodsMajor depressive episodes (MDE) as defined by the Diagnostic and Statistical Manual of Mental Disorders, fourth edition (DMS-IV) were evaluated in face-to-face interviews using the World Health Organization Composite International Diagnostic Interview (CIDI). Data from 18 countries were analyzed in this report (n = 89,037). All countries surveyed representative, population-based samples of adults.ResultsThe average lifetime and 12-month prevalence estimates of DSM-IV MDE were 14.6% and 5.5% in the ten high-income and 11.1% and 5.9% in the eight low- to middle-income countries. The average age of onset ascertained retrospectively was 25.7 in the high-income and 24.0 in low- to middle-income countries. Functional impairment was associated with recency of MDE. The female: male ratio was about 2:1. In high-income countries, younger age was associated with higher 12-month prevalence; by contrast, in several low- to middle-income countries, older age was associated with greater likelihood of MDE. The strongest demographic correlate in high-income countries was being separated from a partner, and in low- to middle-income countries, was being divorced or widowed.ConclusionsMDE is a significant public-health concern across all regions of the world and is strongly linked to social conditions. Future research is needed to investigate the combination of demographic risk factors that are most strongly associated with MDE in the specific countries included in the WMH.

Tobacco use is a major public health challenge in India with 275 million adults consuming different tobacco products. Government of India has taken various initiatives for tobacco control in the country. Besides enacting comprehensive tobacco control legislation (COTPA, 2003), India was among the first few countries to ratify WHO the Framework Convention on Tobacco Control (WHO FCTC) in 2004. The National Tobacco Control Programme was piloted during the 11 th Five Year Plan which is under implementation in 42 districts of 21 states in the country. The advocacy for tobacco control by the civil society and community led initiatives has acted in synergy with tobacco control policies of the Government. Although different levels of success have been achieved by the states, non prioritization of tobacco control at the sub national level still exists and effective implementation of tobacco control policies remains largely a challenge.

Limited progress has been made so far to address the emerging public health threat posed by SLT consumption in South Asia. International and regional cooperation is required to advocate for effective policy and to address knowledge gaps.

Social marketing campaigns that utilise mass media are feasible and efficacious interventions for tobacco control in India. Implications for future mass media tobacco control programming in India are discussed.