Patterns and Correlates of Spit Tobacco Use among High School Males in Rural California

Department of Preventive and Restorative Dental Sciences, School of Dentistry, University of California, San Francisco, CA 94143-1361, USA.
Journal of Public Health Dentistry (Impact Factor: 1.65). 12/2008; 69(2):116-24. DOI: 10.1111/j.1752-7325.2008.00109.x
Source: PubMed


To assess patterns and correlates of spit [smokeless tobacco (ST)] use among high school males in rural California.
An 18-item, self-administered questionnaire was used to assess ST use among young males in 41 randomly selected high schools in 21 rural counties in California. To ensure confidentiality, students were instructed to seal their completed questionnaire in an attached envelope prior to returning it to the questionnaire administrator.
Overall prevalence of ST use was 9.8 percent, significantly increasing with year in school from 5 percent among freshmen to 15 percent among seniors. ST use was highest among rodeo athletes at 42 percent compared with <6 percent among nonathletes; ST use was significantly higher among smokers (32 percent) who were 2.5-30 times more likely to use ST compared with nonsmokers, depending on race/ethnicity as a result of a significant race/ethnicity x smoking interaction of degree/magnitude. In addition, students who believed there was no, or slight risk of, harm from ST use were significantly more likely to use ST than students perceiving moderate or great risk, depending on race/ethnicity (odds ratios 3.6-13). Among all ST users, 40 percent used ST on at least 5 days in the previous week, 80 percent of those reporting a brand used the brand Copenhagen, and 41 percent (189) used ST within 30 minutes of waking.
Dental public health practitioners, scholars, and policy-makers need to promote dental health through organized community efforts targeting high school male subgroups in rural areas that are at risk for ST-associated adverse health effects.

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    • "Odds ratios (ORs) and 95% CIs were calculated . Subgroup analyses assessed Baseline Factor × Group interactions in GEE models; since the baseline data (Gansky et al., 2008) showed Smoking × Race/Ethnicity differences in ST use, examining Baseline Smoking × Intervention Group was of particular interest; other subgroup analyses assessed included continuation school, baseline first ST use within 30 min of waking, baseline number of ST uses per week, and phone/mail followup . Analyses used participants with both baseline and 1-year follow-up tobacco use data. "
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