Table 4

Prevalence of strabismus

Classification	With strabismus (N)	Without strabismus (N)	Prevalence (%)	95% CI (%)	p Value
Gender
Any strabismus					0.952
Male	171	2848	5.66	4.84 to 6.49
Female	149	2499	5.51	4.75 to 6.50
Concomitant esotropia					0.521
Male	25	2994	0.83	0.50 to 1.15
Female	18	2630	0.68	0.37 to 0.99
Concomitant exotropia					0.948
Male	138	2881	4.57	3.83 to 5.32
Female	119	2526	4.61	3.81 to 5.41
Age (month)
Any strabismus					0.021
36–47	30	631	4.54	2.95 to 6.13
48–59	124	2362	4.99	4.13 to 5.84
60–72	166	2354	6.59	5.62 to 7.56
Concomitant esotropia					0.408
36–47	3	658	0.45	0.00 to 0.97
48–59	17	2469	0.68	0.36 to 1.01
60–72	23	2497	0.91	0.54 to 1.28
Concomitant exotropia					0.027
36–47	24	637	3.63	2.20 to 5.06
48–59	98	2388	3.94	3.18 to 4.71
60–72	135	2385	5.36	4.48 to 6.24

N, number.