A total of 20% of the sample identified current injury or disability as one of the barriers to more physical activity, with half of those respondents then citing it as the number-one reason why they do not participate more in physical activities. A few statistically significant findings were generated. First, older people rated current injury or disability as a barrier to physical activity more often than younger participants. Second, people who are obese (based on their body mass index [BMI]) cited current injury or disability as a barrier to physical activity more often than those who were underweight or normal weight. Third, people who were not physically active said that current injury or disability inhibited their current physical activity level more often than people with a high current physical activity level.

The authors note in their conclusion the importance of targeting some promotion of physical activity to older adults and overweight people specifically. They also note the unfortunate cycles that can begin; for example, a person may stop exercising because of a disability, than become overweight and not exercise because of his or her weight.