Native people and construction jobs

I’ve heard it said many years ago that you find a good number of Native people on construction jobs either because they aren’t afraid of heights or they have more of a sense of balance than the average person. Any truth to this?

If you’re talking about native American Indians, then a quick archive search pulled up the straight dope from Cecil himself:

Why do so many Native Americans work on skyscrapers?


Yes, I was thinking of the Native American. Many thanks. This source is good enough for me. Our Master has spoken. (Not sure I agree with the macho thing, though; I think there must be something more ‘physiological’ to it).