INTRODUCTION Roll-your-own (RYO) cigarettes, or "rollies," represent an affordable alternative to manufactured cigarettes, especially among youth with a lower disposable income. This study characterizes changes in the prevalence of RYO tobacco current use between 2008 and 2010 in Canadian youth and examines the sociodemographic characteristics associated with RYO use in 2010. METHODS This stu...

We examined engagement in novel quit-smoking private social support networks on Twitter, January 2012 to April 2014. We mapped communication patterns within 8 networks of adult smokers (n = 160) with network ties defined by participants' tweets over 3 time intervals, and examined tie reciprocity, tie strength, in-degree centrality (popularity), 3-person triangles, 4-person cliques, network dens...

OBJECTIVE To analyze the relation between smoking and passive smoking with heart rate variability parameters in male adolescents. METHODS The sample consisted of 1,152 males, aged 14 and 19 years. Data related to smoking and passive smoking were collected using a questionnaire. RR intervals were obtained by a heart rate monitor, on supine position, for 10 minutes. After collecting the RR inte...

OBJECTIVE To investigate differences in snuff consumption, socio-demographic and psychosocial characteristics between baseline daily smokers who had remained daily smokers, become intermittent smokers or stopped smoking at the 1-year follow-up. DESIGN, SETTING, PARTICIPANTS AND MEASUREMENTS A population of 12 507 individuals aged 45-69 years, interviewed at baseline in 1992-94 and at a 1-year...

BACKGROUND Smoking is Greece's largest public health threat. Greece has the highest adult smoking prevalence among all E.U countries, which in turn possibly predisposes Greek children and adolescents to smoke. The purpose of our study was to research into the smoking habits of preschool children's parents since children of that age could be vulnerable to parental negative role modeling and to i...

BACKGROUND Chronic obstructive pulmonary disease (COPD) is a leading cause of mortality in China, where the population is also exposed to high levels of passive smoking, yet little information exists on the effects of such exposure on COPD. We examined the relation between passive smoking and COPD and respiratory symptoms in an adult Chinese population. METHODS We used baseline data from the ...

OBJECTIVE To assess the extent and content of newspaper and magazine coverage of research on passive smoking. DESIGN Content analysis of newspaper and magazine articles. SUBJECTS Articles reporting on passive smoking research published in newspapers (n = 180) or magazines (n = 92) between January 1981 and December 1994. MAIN OUTCOME MEASURES Numbers of articles, conclusions of articles, s...