Table 3: And their relations with DED clinical signs represented with the Spearman’s rho ( ) and values.

ActivityCorrelation (Spearman’s rho values) and significance ( values)
Corneal staining Schirmer’s test I TBUT
SuperiorInferiorNasalTemporalCentral

Use of air conditioning

Driving

Watching television

Computer use

Reading

Windy environment

* , negative correlation.
, positive correlation.