Publications by authors named "Shaffi Ahmad"
Aim: This study aimed at assessing prevailing patterns and risk factors of tobacco consumption among clients, food handlers and employers of food facilities, in Riyadh, Saudi Arabia.
Methods: A cross-sectional approach to a representative sample of food facilities in Riyadh was used. A sample of 3000 participants included clients (75%); food handlers/hospitality workers (20 %) and employers (5 %).
The main objectives of this paper were to estimate the consumption patterns of tobacco use among King Saud University (KSU) undergraduate students; and investigate different risk factors which may contribute to tobacco use among female students. A representative sample (n=7550) of the total KSU undergraduate student population of 69,498 (males and females) was selected, stratified according to college and gender. A modified version of the WHO/CDC Global Youth Tobacco Survey (GYTS) questionnaire was used for data collection.
View Article and Find Full Text PDFAim: To determine the seroprevalence of Hepatitis A (HAV) amongst Saudi children and compare it with previously reported prevalence data from the same population.
Methods: A total of 1357 students were randomly selected between the ages of 16 and 18 years (689 males and 668 females) from three different regions of Saudi Arabia (Madinah, Al-Qaseem, and Aseer) and tested for anti-HAV-IgG.
Results: The overall prevalence of anti-HAV-IgG among the study population was 18.
Introduction: This is the third evaluation study of the hepatitis B virus (HBV) vaccination program, initiated in 1989 in Saudi Arabia.
Aims: This study sought to assess the efficacy and long-term protection of the hepatitis B vaccine among Saudi adolescents.
Methods: School students between the ages of 16 and 18 years were randomly chosen from high endemic (Aseer), intermediate endemic (Madinah), and low endemic (Al-Qaseem) areas of the country.