BACKGROUND This study examined whether thirdhand smoke (THS) persists in smokers' homes after they move out and non-smokers move in, and whether new non-smoking residents are exposed to THS in these homes. METHODS The homes of 100 smokers and 50 non-smokers were visited before the residents moved out. Dust, surfaces, air and participants' fingers were measured for nicotine and children's urin...

Cigarette smoking continues to be a major public health problem that specifically affects the adolescent population. The prevalence of cigarette smoking among Iranian adolescents has been reported between 2.5 to 17.0% (1). Such a broad range is primarily due to the variety of the definition of “being a smoker”, the age difference of the samples under study and the location where such studies ha...

Our understanding of humoral response to human papillomavirus (HPV) infection has been mainly derived from studies in women. The role of serum antibodies in the natural history of HPV in men has yet to be investigated. Data from 285 male participants of a natural history study were used to determine the epidemiologic factors associated with HPV 16/18 seropositivity and explore the role of HPV 1...

Aims: To examine the risk factors for age related maculopathy (ARM) in a sample Japanese population. Methods: In 1998, a cross sectional community survey was conducted among residents of Hisayama. A total of 596 men and 886 women living in Hisayama, Japan, aged 50 years or older consented to participate in the study. Each participant underwent a comprehensive examination that included an ophtha...

AIMS To investigate cross-sectional and longitudinal associations between personality and smoking, and test whether socio-demographic factors modify these associations. DESIGN Cross-sectional and longitudinal individual-participant meta-analysis. SETTING Nine cohort studies from Australia, Germany, the United Kingdom and the United States. PARTICIPANTS A total of 79 757 men and women (mea...

AIMS 'Categorical self-labels' (e.g. thinking of oneself as a smoker or non-smoker) are important aspects of identity that can have a fundamental influence on behaviour. To explore the role identity aspects relating to smoking can play in smoking cessation and relapse, this study assessed the prospective associations between taking on a non-smoker identity following quitting and long-term absti...