Table 2. Partial correlations and linear regressions showing estimating results with ALT as dependent variable and central obesity, CRF, and PA intensities as independent variables. Dependent Variable ALT Independent Variables r β (95%(CI) p Model 1 Central obesity .575* .468 (.000 ; .001) .001* CRF -.547* -.426 (.001 ; .008) .005* SB .226 .260 (-.006 ; .052) .260 LPA -.124 -.222 (-.058 ; - .011) .181 MVPA -.519* -.305 ( -.197 ; -.009) .033* Model 2 CRF -.501* -.550 (-.120 ; -.002) 0.42* SB .430* .382 (.001 ; .009) .019* LPA -.222 .372 (-.013 ; .086) .140 MVPA -.571* -.364 ( -.362 ; -.034) .019* Model 3 SB .520* .421 (.001 ; .010) .021* LPA -.460* -.424 (-.343 ; -.022) .027* MVPA -.511* -.492 (-.454 ; .039) .022* p ≤ 0.05; ALT= serum alanine aminotransferase; PA = physical activity; CRF = cardiorespiratory fitness; SB = sedentary behaviour; LPA = light physical activity; MVPA = moderate – to – vigorous physical activity; Model 1 adjusted for gender, and maturational stage; Model 2 adjusted for gender, maturational stage and central obesity; Model 3 adjusted for gender, maturational stage, central obesity, and CRF.