model,estimate,se,ci_low,ci_high,n,rmse
unadjusted (HC1),-0.13169790632300882,0.014619618827634278,-0.1603518326928757,-0.10304397995314195,1188,3.8601022336733584
adjusted for skill_index (HC1) [main],0.25353820594501253,0.009812212326345536,0.2343066231767153,0.27276978871330976,1188,1.9758571828823268
"adjusted, conventional SE",0.25353820594501253,0.0098410870694658,0.2342303088883248,0.27284610300170026,1188,1.9758571828823268
"adjusted, incl. negative-hours rows (HC1)",0.25222449623309495,0.00947885217664965,0.23364628735208254,0.27080270511410737,1200,1.9773229272347406
"adjusted, negative hours set to 0 (HC1)",0.25417774688996747,0.009651549445013702,0.23526105758273308,0.27309443619720186,1200,1.9799030140052354
adjusted + skill_index^2 (HC1),0.25383792381516485,0.009844473118691516,0.23454311105575676,0.27313273657457293,1188,1.9756470370592571