Less than age 18:NFr:Pt:^Neighborhood:Qn:PhenX
less than age 18:nfr:pt:^neighborhood:qn:phenx
Less than age 18:Number Fraction:To identify measures at a point in time:^Neighborhood:Quantitative:PhenX
less than age 18:number fraction:to identify measures at a point in time:^neighborhood:quantitative:phenx