However , activity counts per minute were significantly higher ( P < 0.001 ) in the 600-kcal-per-session group ( 346 141 mind ) versus controls ( 290 106 mind ) at month 7 and significantly higher ( P < 0.001 ) in both the 600-kcal-per-session ( 345 163 mind ) and 400-kcal-per-session groups ( 317 146 mind ) versus controls ( 277 116 mind ) at 10 months .