The objective of this study was to determine the prevalence and factors associated with obesity and overweight among adult Saudis using a national survey data from 1990 to 1993. The study population included 1652 men and 1619 women between 30 to 70 years of age. The prevalence of obesity was 49.15% in women and 29.94% in men, while the prevalence of being overweight but not obese was 31.55% in women and 41.91% in men. Obese and overweight women and men were significantly more likely to be between 40–49 years of age, with higher income, and hypertensive.

Data on the status of iodine deficiency in the Arabian peninsula is scarce. We have conducted a cross-sectional national epidemiological survey in Saudi Arabia to study the iodine status of Saudi schoolchildren, between eight and ten years, who were randomly selected, after taking into consideration the gender, provincial population and area distribution. Casual urine samples were collected and sent to the central laboratory for analysis. Clinical assessment for the presence of goiter was conducted in four areas with different geographical natures.

Objectives: To study the characteristics of risk factors for hypercholesterolemia among the Saudi population. Design: Population-based cross-sectional national epidemiological randomized household survey. Subject: 4548 Saudi subjects, aged 15 years and above. Sample was representative and in accordance with the national population distribution with respect to age, gender, regional and residency, urban vs.