Fig. 3

Same with the female students although with lower OSDI scores, male students that do not smoke and do not use eye drops (ma) has the highest frequency and the lowest mean OSDI score (21 points); on the other side are the male student that smokes and uses eye drops (mc) with the higher OSDI score (40 points) and the lowest frequency: and between both male students that smoke and do not use eye drops (mb) with an OSDI score of 25 points