Table 4.

Univariate regression analysis of the association of features and IOP for all IOP measurements.

Feature	Lower 95% confidence limit	Upper 95% confidence limit	P -value
	Difference in IOP per unit change, mmHg
Age (yrs)
	–0.04	–0.07	0.00	0.05
Consecutive weeks of usage
	0.00	–0.09	0.10	0.93
Time of day (24-hr clock)
	–0.17	–0.37	0.04	0.11
	Model Mean IOP, mmHg
Sex
Female	14.68	13.84	15.52
Male	14.78	13.78	15.78	0.88
Strength
None	14.76	14.05	15.47
0.025%	14.58	13.69	15.47	0.69
0.10%	14.92	13.34	16.50	0.84
Corticosteroid Usage
No	14.76	14.05	15.47
Yes	14.67	13.89	15.46	0.81
Method of Measurement
Applanation	14.21	13.36	15.06
Other	15.14	14.24	16.04	0.11
IOP, intraocular pressure