The Dry Eye Disease Activity Log Study

Table 2

Time spent for each item and correlations with DED symptoms. The table shows the Spearman’s rho (𝑟) and 𝑃 values.

Activity	Correlation (Spearman’s rho values) and significance (𝑃 values)
	Sensitivity to light	Episodic blur vision	Burning sensation	Gritty sensation	Fluctuating vision with blinking	Blurring of vision relief by lubricants
Use of air conditioning	𝑟=0.265	𝑟=−0.349	𝑟=−0.146	𝑟=−0.45	𝑟=−0.52	𝑟=0.344
	𝑃=0.062	𝑃=0.020^∗	𝑃=0.201	𝑃=0.399	𝑃=0.383	𝑃=0.021^†
Driving	𝑟=−0.07	𝑟=−0.355	𝑟=−0.049	𝑟=−0.26	𝑟=−0.247	𝑟=0.119
	𝑃=0.484	𝑃=0.018^∗	𝑃=0.390	𝑃=0.440	𝑃=0.076	𝑃=0.249
Watching television	𝑟=0.109	𝑟=0.447	𝑟=0.16	𝑟=0.118	𝑟=0.279	𝑟=0.130
	𝑃=0.267	𝑃=0.004^†	𝑃=0.464	𝑃=0.249	𝑃=0.052	𝑃=0.229
Computer use	𝑟=−0.095	𝑟=−0.286	𝑟=−0.306	𝑟=−0.313	𝑟=−0.055	𝑟=−0.255
	𝑃=0.294	𝑃=0.048^∗	𝑃=0.037^∗	𝑃=0.034^∗	𝑃=0.378	𝑃=0.070
Reading	𝑟=−0.087	𝑟=−0.022	𝑟=−0.321	𝑟=0.017	𝑟=0.072	𝑟=0.19
	𝑃=0.309	𝑃=0.449	𝑃=0.030^∗	𝑃=0.461	𝑃=0.340	𝑃=0.137
Windy environment	𝑟=−0.089	𝑟=−0.226	𝑟=−0.411	𝑟=0.06	𝑟=0.37	𝑟=−0.002
	𝑃=0.306	𝑃=0.096	𝑃=0.007^∗	𝑃=0.366	𝑃=0.417	𝑃=0.495

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