Study Population
overweight, weight loss
MAY, OBESE
Participants were recruited from the federal secretariat in Abuja, central Nigeria, from July 2013 to May 2014. A random enumerated list of offices at the federal secretariat was generated; at each office assigned an odd number, workers and adult visitors were approached to be part of the study cohort. Informed consent was obtained from interested participants who were 18 to 64 years old, overweight or obese, had no contraindications to exercise, were not already on any type of weight loss intervention, were not pregnant or had not planned to become pregnant, travel, change jobs, or residence during the study period.