Older Brother-Younger Brother Pairs (N=122) 
LA
*
'OBED' 'YBED' 'FED' 'MED' 'FSEI'
KM SY
*
   1.000
    .533     1.000
    .494      .390     1.000
    .399      .286      .537     1.000
    .495      .400      .763      .563     1.000
SD
*
   3.092     2.790     3.726     1.999     2.5392  

Older Sister-Younger Sister Pairs (N=109) 

LA
*
'OSED' 'YSED' 'FED' 'MED' 'FSEI'
KM SY
*
   1.000
    .453     1.000
    .427      .364     1.000
    .431      .406      .552     1.000
    .483      .411      .640      .460     1.000
SD
*
   2.314     2.070     3.218     2.119     2.2774