James is 6 feet tall. leroy is 5 feet 2 inches tall. there are surely many individual differences between james and leroy, but sociological research predicts that based on height alone, james is likely to have:

better health

Explanation:

According to sociological research, it has been suggested that physical factor, such as height, can influence the movement of an individual between social strata or classes of a society. The upward social movement of an individual as influenced by a tall height is said to present an opportunity for the individual to be exposed to a better life and status in the society, which would have a beneficial impact on the overall health of the individual.

Based on height alone, James is likely to have a better health as a result of improved better social status as he is favored to move up the social ladder of the society  according to sociological research.