model,estimate,se,ci_low,ci_high
unadjusted (growth ~ hours),-0.13169790632300882,0.014619618827634278,-0.1603518326928757,-0.10304397995314195
adjusted (growth ~ hours + skill) [main],0.25353820594501253,0.009812212326345536,0.2343066231767153,0.27276978871330976
"sensitivity: adjusted, incl. negative-hours rows",0.25222449623309495,0.00947885217664965,0.23364628735208254,0.27080270511410737
sensitivity: adjusted + hours x skill (coef at skill=0),0.2535986940513955,0.009917283395566277,0.23416117577160853,0.2730362123311825
sensitivity: adjusted + skill^2,0.25383792381516485,0.009844473118691516,0.23454311105575676,0.27313273657457293