Efficacy is an individual’s or community’s belief in its capacity to resolve a problem. In 2001, a study on physical inactivity in three Appalachian counties in southeastern Ohio revealed unemployment...

Efficacy is an individual’s or community’s belief in its capacity to resolve a problem. In 2001, a study on physical inactivity in three Appalachian counties in southeastern Ohio revealed unemployment rates of more than 10%, with more than 30% of the population being overweight and more than 20% obese (Cambridge, 2001).