Viewing Study NCT00005375



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Study NCT ID: NCT00005375
Status: COMPLETED
Last Update Posted: 2008-01-29
First Post: 2000-05-25

Brief Title: Smoking Onset in a Biethnic Population
Sponsor: National Heart Lung and Blood Institute NHLBI
Organization: National Heart Lung and Blood Institute NHLBI

Study Overview

Official Title: None
Status: COMPLETED
Status Verified Date: 2008-01
Last Known Status: None
Delayed Posting: No
If Stopped, Why?: Not Stopped
Has Expanded Access: False
If Expanded Access, NCT#: N/A
Has Expanded Access, NCT# Status: N/A
Acronym: None
Brief Summary: To conduct a prospective study of the determinants of smoking onset in adolescents attending Memphis City Schools and to determine the unique predictors of smoking onset in Black versus white adolescent females
Detailed Description: BACKGROUND

Although many smoking prevention programs have been implemented on a large-scale basis the effectiveness of these programs varies greatly While these programs have undoubtedly prevented many young adults from starting to smoke recent smoking initiation rates among females have consistently exceeded the rates of males and smoking initiation rates among Afro-Americans remain at high levels More information is needed on the reasons for smoking initiation among adolescents particularly females Despite considerable interest in this area virtually nothing is known regarding the reasons for adoption of smoking in Black or white females Not a single prospective study has evaluated race-and gender-specific models for the prediction of smoking onset For example while it is commonly assumed that the weight-reducing qualities of smoking are associated with smoking onset among female adolescents not a single prospective study has been conducted that documents that weight-related concerns at one age predict smoking onset at a later age

The study was part of the Collaborative Projects on Womens Health initiative which was proposed by the NHLBI staff given concept clearance at the February 1992 National Heart Lung and Blood Advisory Council and released as a Request for Applications in April 1992

DESIGN NARRATIVE

The study was part of a two grant project on the Collaborative Projects on Womens Health Dr Robert Klesges conducted a longitudinal study to assess whether weight concerns of adolescent girls predict smoking onset at a later age His collaborator Dr Linda Eck R01HL50946 evaluated the role of smoking in dietary intake physical activity and metabolic rate and determined the differential effects of smoking and race on the energy balance of African American and white women

Dr Klesges study was renewed in FY 1998 to continue longitudinal observation of factors relating to the onset of smoking in a biracial population of 6967 boy and girl students first surveyed as seventh graders in 1993-94 The cohort was tracked through the end of high school and two years after high school in order to investigate the determinants of smoking onset both in high school and into the young adult years

The study was renewed in February 2001 through January 2005 to follow-up participants for four years post-high school to assess the extent of young adult smoking onset and cessation to determine predictors of smoking onset and identify predictors of cessation for both early onset and late onset smokers

Study Oversight

Has Oversight DMC:
Is a FDA Regulated Drug?:
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Is a PPSD?:
Is a US Export?:
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