The Dry Eye Disease Activity Log Study

Table 3

And their relations with DED clinical signs represented with the Spearman’s rho (𝑟) and 𝑃 values.

Activity	Correlation (Spearman’s rho values) and significance (𝑃 values)
	Corneal staining					Schirmer’s test I	TBUT
	Superior	Inferior	Nasal	Temporal	Central
Use of air conditioning	𝑟=0.253	𝑟=−0.217	𝑟=−0.169	𝑟=0.119	𝑟=0.197	𝑟=−0.151	𝑟=0.207
	𝑃=0.071	𝑃=0.105	𝑃=0.165	𝑃=0.248	𝑃=0.128	𝑃=0.193	𝑃=0.116
Driving	𝑟=0.289	𝑟=−0.193	𝑟=−0.021	𝑟=0.160	𝑟=0.174	𝑟=−0.222	𝑟=0.122
	𝑃=0.046^†	𝑃=0.134	𝑃=0.452	𝑃=0.179	𝑃=0.158	𝑃=0.100	𝑃=0.243
Watching television	𝑟=−0.164	𝑟=−0.176	𝑟=−0.273	𝑟=−0.176	𝑟=−0.198	𝑟=0.048	𝑟=0.037
	𝑃=0.173	𝑃=0.155	𝑃=0.057	𝑃=0.156	𝑃=0.127	𝑃=0.393	𝑃=0.415
Computer use	𝑟=0.164	𝑟=0.002	𝑟=0.008	𝑟=−0.017	𝑟=−0.013	𝑟=−0.234	𝑟=0.013
	𝑃=0.174	𝑃=0.496	𝑃=0.482	𝑃=0.460	𝑃=0.471	𝑃=0.088	𝑃=0.470
Reading	𝑟=0.335	𝑟=−0.019	𝑟=−0.027	𝑟=0.358	𝑟=0.320	𝑟=−0.461	𝑟=−0.096
	𝑃=0.025^†	𝑃=0.456	𝑃=0.439	𝑃=0.017^†	𝑃=0.030^†	𝑃=0.005^∗	𝑃=0.292
Windy environment	𝑟=0.406	𝑟=0.080	𝑟=0.159	𝑟=0.216	𝑟=0.188	𝑟=−0.094	𝑟=0.150
	𝑃=0.008^†	𝑃=0.325	𝑃=0.181	𝑃=0.106	𝑃=0.140	𝑃=0.295	𝑃=0.195

* 𝑃<0.05, negative correlation.
^†𝑃<0.05, positive correlation.