Table 3. The correlations between the amount of moderate to vigorous physical activity (MVPA) and sex-specific blood markers. Variables Participants r # p GSSG (mM) Men -.399 .225 Women .258 .334 All .045 .819 GSH (mM) Men -.282 .401 Women -.205 .445 All -.214 .274 GPX (U·ml-1) Men -.303 .365 Women -.429 .098 All -.334 .082 TRX (pg·ml-1) Men -.048 .902 Women .181 .518 All -.048 .747 # Age adjusted Pearson’s correlation coefficient. GSSG, glutathione-S-S-Gulutathione; GSH, Gulutathione-SH; GPX, glutathione peroxidise; TRX, thioredoxin.