Regarding the time, about 21 % of office workers
had pain attacks after 6 h of work. Importantly,
over 60 % of office workers suffered from
musculoskeletal pain during work hours and 31.1
% of office workers had pain attacks after work.
Among musculoskeletal pain cases, most of them
did not have to lift materials heavier than 20 kg
each day (86.2 %) or did not have to drive more
than 2 h long (78.2 %).