a cross-sectional survey was conducted .using a modified questionnaire for the study of cigarette smoking prevalence in khalkhal city, iran, during may-â june 1999. a simple random sample with size 260 was selected for this study. all of the students in the sample completed a questionnaire. the results showed among 260 students, 104 of them (40%) experienced at least once cigarette smoking and ...

background: pithyriasis alba (pa) is a nonspecific dermatitis with unknown origin and is a common dermatosis during childhood. its prevalence is higher in individuals with darker skin, inadequate personal hygiene, sun exposure, xerosis with atopic dermatitis. the purpose of this study was to determine the prevalence of pithyriasis alba in elementary school children in babol, northern iran.metho...

background and objectives: several studies have so far been carried out to determine the prevalence of overweight and obesity among iranian children but few studies have investigated the relationship between eating habits, socio-demographic differentials and obesity in these children. so, this study tried to assess the body weight status among the urban high school boy students of urmia, iran. ...

In this article, the authors propose reference curves for height and weight for school children in the Kuching area, Sarawak. The school children were from primary to secondary schools (aged 6.5 to 17 years old) and comprised both genders. Anthropometric measurements and demographic information for 3081 school-aged children were collected (1440 boys and 1641 girls). Fitted line plots and percen...

through you the results of my observations. These observations, mostly having been made during my privilege leave, have been necessarily fragmentary and limited in extent, but they have still been sufficient to bear in upon my own mind some definite conclusions, and they will, I trust, be thought by you to possess some general value and significance, and to justify perhaps a further and more co...