This study examines the associations between alcohol marketing strategies, alcohol education including knowledge about dangers of alcohol and refusal of alcohol, and drinking prevalence, problem drinking, and drunkenness. Analyses are based on the Global School-Based Student Health Survey (GSHS) conducted in Zambia (2004) of students primarily 11 to 16 years of age (N = 2257). Four statistical models were computed to test the associations between alcohol marketing and education and alcohol use, while controlling for possible confounding factors. Alcohol marketing, specifically through providing free alcohol through a company representative, was associated with drunkenness (AOR = 1.49; 95% CI: 1.09–2.02) and problem drinking (AOR = 1.41; 95% CI: 1.06–1.87) among youth after controlling for demographic characteristics, risky behaviors, and alcohol education. However, alcohol education was not associated with drunkenness or problem drinking. These findings underscore the importance of restricting alcohol marketing practices as an important policy strategy for reducing alcohol use and its dire consequences among vulnerable youth.
Excessive alcohol use is a serious public health concern worldwide, but less attention has been given to the prevalence, risk and protective factors, and consequences of early alcohol use in low-income, developing countries. The purpose of this study was to determine the associations between early alcohol use, before age 13, and problem drinking among adolescents in Uganda and Zambia. Data from students in Zambia (n=2257; 2004) and Uganda (n=3215; 2003) were obtained from the cross-sectional Global School-Based Student Health Survey (GSHS). The self-administered questionnaires were completed by students primarily 13 to 16 years of age. Multiple statistical models were computed using logistic regression analyses to test the associations between early alcohol initiation and problem drinking, while controlling for possible confounding factors (e.g., current alcohol use, bullying victimization, sadness, lack of friends, missing school, lack of parental monitoring, and drug use). Results show that early alcohol initiation was associated with problem drinking in both Zambia (AOR=1.28; 95% CI:1.02–1.61) and Uganda (AOR=1.48; 95% CI: 1.11–1.98) among youth after controlling for demographic characteristics, risky behaviors, and other possible confounders.The study shows that there is a significant association between alcohol initiation before 13 years of age and problem drinking among youth in these two countries. These findings underscore the need for interventions and strict alcohol controls as an important policy strategy for reducing alcohol use and its dire consequences among vulnerable youth.
SUMMARY Sulphamonomethoxine (SMM), sulphadimidine (SDD), sulphadiazine (SDZ) and their N4-acetyl derivatives (AcSMM, AcSDD and AcSDZ) were intravenously injected into Goettingen miniature pigs and deacetylation was evaluated from plasma concentration-time curves, renal excretion, and rate constants obtained from pharmacokinetic analysis, using a non-linear least-squares method. Deacetylated metabolite was detected in both plasma and urine after intravenous injection of AcSMM, AcSDD and AcSDZ. The area under the curve (AUC) values for the deacetylated metabolite were significantly higher than those for acetyl derivatives after AcSMM and AcSDD administration, but significantly lower after AcSDZ. After AcSMM and AcSDD injection, the concentration ratio between deacetylated metabolite and acetyl derivative was almost constant in the terminal linear phase and similar to that seen after injection of sulphonamide. After AcSDZ injection, however, a constant ratio was not observed. These results indicate that deacetylation can have a significant effect on the pharmacokinetics of SMM and SDD, but not on those of SDZ in pigs. The rate constant for deacetylation was significantly higher than that for acetylation for SMM and SDD, but significantly lower for SDZ. It is, therefore, concluded that deacetylation may be a determinant of the pharmacokinetics of SMM and SDD in pigs. It was, however, not a determinant of SDZ pharmacokinetics because N4-acetylation is not the main elimination route in pigs.
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