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. 2015 Dec 30;9(4):246–257. doi: 10.1016/j.optom.2015.10.006

Table 5.

Distribution (n %) of vergence anomalies according to gender, age groups, grade levels and study site.

Groups No convergence anomaly Low suspect CI High suspect CI Definite CI p Pseudo-CI p CE p FVD p
All 929 (77.9%) 141 (11.8) 72 (6.0) 51 (4.3) 23 (1.9) 67 (5.6) 40 (3.3)



Gender
 Males 354 (75.1) 66 (14.0) 31 (6.6) 21 (4.5) 0.190 9 (1.9) 0.96 24 (5.1) 0.521 15 (3.2) 0.781
 Females 575 (79.9) 74 (10.3) 41 (5.7) 30 (4.2) 14 (1.9) 43 (5.9) 25 (3.4)



Age
 13–16 473 (75.3) 82 (13.1) 44 (7.0) 29 (4.6) 0.152 12 (1.9) 0.97 44 (7.0) 0.020 25 (4.0) 0.190
 17–19 456 (80.7) 59 (10.4) 28 (5.0) 22 (3.9) 11 (1.9) 23 (4.0) 15 (2.6)



G-levels
 8–10 615 (76.9) 98 (12.3) 50 (6.3) 37 (4.6) 0.660 15 (1.9) 0.86 50 (6.2) 0.162 26 (3.2) 0.792
 11–12 314 (79.9) 43 (10.9) 22 (5.6) 14 (3.6) 8 (2.0) 17 (4.3) 14 (3.5)



S-sites
 Suburban 604 (75.2) 107 (13.3) 55 (6.8) 37 (4.6) 0.011 11 (1.4) 0.04 42 (5.2) 0.390 26 (3.2) 0.731
 Rural 325 (83.3) 34 (8.7) 17 (4.4) 14 (3.6) 12 (3.1) 25 (6.4) 14 (3.6)