. 2015 Jan 21;15:6. doi: 10.1186/1471-2415-15-6

Table 5.

Comparison of self-administered questionnaire results by results of a lacrimal irrigation test

Item	Group	Mean	P value
Reading	Completely obstructed in at least one eye (n = 116)	2.65	0.008^*
Reading	Completely or partially patent (n = 65)	2.11	0.008^*
Daytime driving	Completely obstructed in at least one eye (n = 59)	2.27	0.116
Daytime driving	Completely or Partially patent (n = 40)	1.95	0.116
Nighttime driving	Completely obstructed in at least one eye (n = 57)	2.49	0.081
Nighttime driving	Completely or partially patent (n = 37)	2.00	0.081
Working at a Computer	Completely obstructed in at least one eye (n = 69)	2.70	0.021^*
Working at a Computer	Completely or partially patent (n = 40)	2.13	0.021^*
Watching TV	Completely obstructed in at least one eye (n = 123)	2.48	0.000^**
Watching TV	Completely or partially patent (n = 72)	1.86	0.000^**
Work-related activities	Completely obstructed in at least one eye (n = 65)	2.49	0.031^*
Work-related activities	Completely or partially patent (n = 48)	1.98	0.031^*
Household activities	Completely obstructed in at least one eye (n = 118)	2.19	0.037^*
Household activities	Completely or partially patent (n = 64)	1.77	0.037^*
Outdoor activities	Completely obstructed in at least one eye (n = 124)	2.98	0.003^*
Outdoor activities	Completely or partially patent (n = 70)	2.47	0.003^*
Interpersonal relations	Completely obstructed in at least one eye (n = 126)	2.63	0.000^**
Interpersonal relations	Completely or partially patent (n = 71)	1.99	0.000^**
General happiness	Completely obstructed in at least one eye (n = 105)	2.13	0.005^*
General happiness	Completely or partially patent (n = 65)	1.55	0.005^*

^*P < 0.05, ^**P < 0.01.