1model,estimate,se,ci_low,ci_high2"unadjusted (main sample, n=1188)",-0.13169790632300882,0.014619618827634278,-0.1603518326928757,-0.103043979953141953"adjusted for skill_index (main sample, n=1188) [target]",0.25353820594501253,0.009812212326345536,0.2343066231767153,0.272769788713309764"adjusted, cubic in skill_index (main sample, n=1188)",0.2537770909378334,0.009856378540208259,0.23445894398103173,0.27309523789463515"unadjusted (all rows incl. negative hours, n=1200)",-0.13518960504279864,0.013896968221774055,-0.16242716225177342,-0.107952047833823876"adjusted for skill_index (all rows incl. negative hours, n=1200)",0.25222449623309495,0.00947885217664965,0.23364628735208254,0.270802705114107377