A 150 lb person uses 100 calories per hour at their desk, but people get up quite often to go to meetings etc. It could easily be 1150 vs 1320 calories here a

A 150 lb person uses 100 calories per hour at their desk, but people get up quite often to go to meetings etc. It could easily be 1150 vs 1320 calories here a meaningful difference, until you consider differences in body weight = higher calorie expenditure.