Hirsch Costello

Tobacco consumption, or smoking, is a major cause of preventable morbidity and mortality worldwide, including in the Kingdom of Saudi Arabia (KSA). In order to reduce the consumption of tobacco products, it is necessary to understand the factors that drive it. However, little is known about the socioeconomic determinants of tobacco smoking in the…[Read more]

There are some concerns regarding alcohol use behaviors during the COVID-19 pandemic. The mixed findings of the first alcohol use studies during this pandemic may reflect the lack of differentiation between on-premise and home consumption. Most of the countries adopted severe restrictions on drinking place functioning. Alcohol retail store sales…[Read more]

We estimate that there is a 97% probability that the effect of MapTrek is at least 1,000 additional steps per day throughout the course of the 6-month intervention and that MapTrek participants would have walked an additional 81 miles, on average, before the effect ended. Our MapTrek intervention led to significant extra walking by the MapTrek…[Read more]