Impact of strabismus on the quality of life of Chinese Han teenagers

Figures & data

Table 1 Overview of the demographic features of participants with (n=1,040) and without (n=1,002) strabismus

Variable	Participants with strabismus	Normal-vision participants	P-value
Male, n	480	460	NS
Age (years), mean ± SD	15.6±1.2	15.8±1.3	NS
Family support, n
Never	210	189
Sometimes	420	402
Always	410	411	NS
Socioeconomic status, n
High income	502	483
Low income	538	519	NS

Abbreviations: NS, not significant; SD, standard deviation.

Table 2 Mean scores for teenagers with (n=1,040) and without (n=1,002) strabismus on the NEI-VFQ-25

Domain	Normal vision		Strabismus		P-value
	Mean	SD	Mean	SD
General health	75.5	6.5	60.4	8.1	0.001*
General vision	92.3	8.4	78.6	8.5	0.001*
Ocular pain	95.5	7.5	82.3	8.8	0.001*
Near activities	92.4	8.5	84.9	7.8	0.026**
Distance activities	93.6	9.4	81.8	8.8	0.001*
Vision specific	92.3	8.4	81.2	8.4	0.038**
Social functioning	92.4	7.8	90.3	8.4	NS
Mental health	93.5	6.9	85.6	7.8	0.046**
Role difficulties	88.6	9.1	80.7	6.7	0.039**
Dependency	91.3	4.6	82.6	5.6	0.001*
Driving	92.3	5.4	83.5	6.2	0.015**
Color vision	92.6	8.1	82.5	7.9	0.001*
Peripheral vision	93.5	7.8	82.1	8.6	0.001*
Total score	90.5	6.8	79.9	8.1	0.001*

Note:

* P<0.01 and

** P<0.05.

Abbreviations: NEI-VFQ-25, 25-Item National Eye Institute Visual Function Questionnaire; SD, standard deviation; NS, not significant.