This statistic is insufficient. One also needs to calculate wage per unit time ($/h), work schedule (Mon to Fri 8AM to 5PM or evenings/nights/weekends/holidays), constantly changing work schedules, mortality/morbidity risk including wear and tear, work atmosphere (dealing with volatile or rude people in general public facing role versus working only with other professionals).
All the people who work in positions where they have to physically show up must be aware that they need to be charging extra for being in a position where they have to physically show up relative to others got the benefit of sitting at home.