1model,estimate,se,ci_low,ci_high,n,rmse2unadjusted: growth ~ hours,-0.13169790632300882,0.014619618827634278,-0.1603518326928757,-0.10304397995314195,1188,3.86010223367335843adjusted: growth ~ hours + skill_index (target),0.25353820594501253,0.009812212326345536,0.2343066231767153,0.27276978871330976,1188,1.97585718288232684