that might be comparing two different things. In a single parent household (which I'm sure is heavily swayed towards single mothers) kids may be out playing with other kids.
In families with older fathers, [assuming] there is a higher percentage of dual parenting ... which could mean more attention at home = less time playing sports with the neighborhood kids
In families with older fathers, [assuming] there is a higher percentage of dual parenting ... which could mean more attention at home = less time playing sports with the neighborhood kids