Although black youths have historically had lower suicide rates than have whites, during 1980-1995, the suicide rate for black youths aged 10-19 years increased from 2.1 to 4.5 per 100,000 population. As of 1995, suicide was the third leading cause of death among blacks aged 15-19 years, and high school-aged blacks were as likely as whites to attempt suicide. This report summarizes trends in su...

INTRODUCTION Given that little is known about the price-related cigarette brand preferences of youths, the current study seeks to characterise cigarette brand preferences and examine factors associated with smoking discount or native cigarette brands among Canadian youths who are current smokers. METHODS This study used nationally representative data collected from 71,003 grade 5-12 students ...

Occurrence and distribution of larval and juvenile fish was investigated in nearshore waters of the southeastern Caspian Sea including the Gorgan Bay. Samples were collected during seven surveys using a fine mesh beach-seine in five sampling sites from July 2014 to June 2015. A total of 15500 individuals mostly juvenile were captured, representing 18 species from 8 families. Most juveniles belo...

  The first time the white spot disease (WSD) and IHHNV were reported in Iran was in 2004 and 2008, respectively in Bushehr Province. In Sistan and Balochestan province only the WSD was reported in 2008.The aim of this study was detecting these two viral diseases in these provinces, during December 2009 to April 2010. A total of 364 samples were collected according to suspected gross signs from...

some biological characteristics of broodstock and juvenile kutum, rutilus kutum. were investigated using data collected from the estuaries of tajen and shirood rivers (tr and sr) (southern caspian sea basin) as well as from the caspian sea in 2012. the results showed higher condition factors (cf) in the male broodstocks kutum than those estimated in the female broodstock of both tr and sr. the ...

OBJECTIVE In this study the authors examined whether discrepancies between parent and youth reports of the youth's emotional and behavioral functioning are related to interviewers' reliability ratings of parents and youths. METHODS In a consecutive case series analysis of 328 parents and youths aged 11-17 years, parents and youths provided reports of youth emotional and behavioral functioning...

INTRODUCTION Reducing childhood obesity remains a public health priority given its high prevalence and its association with increased risk of adult obesity and chronic diseases. The objective of this study was to examine the joint influence of multiple risk factors on adolescent overweight status. METHODS We conducted a random-digit-dialed telephone survey of adolescents aged 12 to 19 years i...

Niu, Li. M.S., Purdue University, May 2016. Why Are Some Aggressive Adolescents Popular: Subgroups of Chinese Aggressive Youth. Major Professor: Doran French. This study examined the heterogeneity of Chinese aggressive adolescents to assess why some aggressive youths are popular and others are not. The sample included 1548 adolescents from eighth and eleventh grade in China and data were obtain...