Group;Observations;Mean;"Confidence interval";Median;"Confidence Interval" FHHs;846;292.1;"(266.7 , 317.4)";211.4;"(192.3 , 230.5)" MHHs;3,617;241.0;"(232.0 , 250.0)";178.1;"(172.0 , 184.3)" ;"t = 3.855, p-value = 0.0001"