Table 2. The physical dose of structured exercise intervention. Data is shown as mean (standard deviation). Determinants of physical activity Resistance training group Nordic walking group Excluded (n = 28) Included (n = 8) Excluded (n = 32) Included (n = 7) Adherence (%) 65(24) 78 (15) 65 (18) 65 (30) Absolute intensity (MET) 3.3 (.5) 2.8 (.3)* 5.9 (.4) 5.2 (1.5)†  Relative intensity (%) 43.3 (11.1) 35.8 (6.4) 71.8 (14.0) 67.0 (24.5) †  Volume (METh·wk-1) 10.5(1.7) 6.8 (1.8)* 15.5 (2.9) 12.3 (6.3) MET = metabolic equivalent of task; METh = MET-hours; Relative intensity = percentage of absolute intensity from the individual VO2peak expressed in MET-values. *p-value < 0.050 compared to the excluded in the particular group. † p-value < 0.050 compared to the included resistance training group.