Related Experiment Video
Updated: Jun 15, 2025

Comparing the Effects of Electronic Cigarette Vapor and Cigarette Smoke in a Novel In Vivo Exposure System
Published on: May 24, 2017
Singlestick purchases: a comparative cross-country analysis in 10 African countries, Global Adult Tobacco Survey,
Lazarous Mbulo1, Glenda Blutcher-Nelson2, Pranesh P Chowdhury1
1Office on Smoking and Health, National Center for Chronic Disease Prevention and Health Promotion, Centers for Disease Control and Prevention, 4770 Buford Hwy NE, MS S107-7, Atlanta, GA 30340, USA.
Abstract:
We utilized Global Adult Tobacco Survey data to examine singlestick purchases and related demographic characteristics in 10 African countries (Botswana, Cameroon, Ethiopia, Kenya, Nigeria, Mauritania, Senegal, South Africa, Uganda and Tanzania). Results show the weighted percentages and prevalence ratios with predicted marginal means to evaluate significant differences between groups (P < 0.05). The prevalence of singlestick purchases among the 10 African countries ranged from 48.4% in South Africa to 92.0% in Tanzania. Across countries, the incidence of singlestick purchases was higher in urban areas than rural areas in Kenya; among those aged 15-24 years versus those aged 45 years and older in Botswana, Ethiopia, Mauritania, Nigeria and South Africa; and among those aged 25-44 years versus those aged 45 years and older in Botswana, South Africa and Tanzania. The incidence in Botswana was higher among adults with no formal or primary education than among those with secondary or higher education. In South Africa, the incidence was higher among adults in the middle or lower wealth index than among those in the high or highest wealth index. The findings suggest opportunities for strengthening efforts to prevent singlestick purchases through effective legislation and enforcement in line with Article 16 of the World Health Organization Framework Convention on Tobacco Control.
More Related Videos
06:39Electroencephalographic, Heart Rate, and Galvanic Skin Response Assessment for an Advertising Perception Study: Application to Antismoking Public Service Announcements
Published on: August 28, 2017
09:50Impact Assessment of Repeated Exposure of Organotypic 3D Bronchial and Nasal Tissue Culture Models to Whole Cigarette Smoke
Published on: February 12, 2015
Related Concept Videos
Observational Studies
There are three types of observational studies – Prospective, retrospective, and cross-sectional.
Prospective Study
Prospective studies, also known as longitudinal or cohort studies, are carried out by collecting future data from groups sharing similar characteristics. One...
Statistical Methods for Analyzing Epidemiological Data
Longitudinal Research
Cross-Sectional Research
Crossover Experiments
Crossover designs are performed even with smaller sample sizes since the samples can act as their controls. These are better than simple randomized trials since patients are exposed to all the treatments.
Longitudinal Studies