However, just based on my prejudices, I'd claim that those that do work crazy hours across three jobs typically do not need to go jogging, they get some exercise when moving from one job to another. They are also not necessarily the poorest in the income poverty sense, although their situation is quite clearly the most unfair.

> However, just based on my prejudices, I'd claim that those that do work crazy hours across three jobs typically do not need to go jogging, they get some exercise when moving from one job to another.

All the hours spent in the tube and in the bus will leave you sore and aching, but that doesn't quite suffice to call it a workout.

Still it's a lot more physical activity than sitting on a couch. Or commuting to a convenient office by car.

For example, making six tube trips involves so much walking that it equals to a modest jog.

I've got an uncle who works construction. He's adamant that his free time not be spent doing physical activity.

That may be reasonable -- though the amount of physical activity in construction jobs also seems to vary a lot; many operators of heavy equipment such as bulldozers or cranes are actually fairly obese. Not to mention the culture of smoking (at least where I live; the difference to general population is noticeable).

I do office work but commute by bike; I'm also not enthusiastic about jogging on top of that.

Do you have data to demonstrate this, for either the US or UK?

I'm not sure what you mean by "rare", but I'd be extremely surprised if you have data showing the number of poor adults in this situation exceeds 10%.