It might also show that someone who has better health and fitness indicators is more likely to exercise regularly. Maybe environmental concerns (eg: stress) im

It might also show that someone who has better health and fitness indicators is more likely to exercise regularly. Maybe environmental concerns (eg: stress) impact your health and fitness indicators, which causes a lack of motivation and energy for exercise that you would normally have without the stress. I know, as an overweight and highly stressed person, that I often feel that way about exercise.