After 12 months of intervention , the meat group ( 13.01 1.9 cm ) had greater ( p = .01 ) linear growth than the cereal group ( 12.75 1.8 cm ) and a smaller decrease in length-for-age z-score ( LAZ ) over time ( -0.43 0.72 in the meat group vs. -0.54 0.67 in the cereal group ) , after adjustment for baseline length , LAZ , maternal education , work status , and maternal height and weight .