Table 2. Characteristics of Children in Both Arms of the Trial by Follow-up Status.
| Characteristic | Study Group, No. (%)a | |||
|---|---|---|---|---|
| Ready-Made Spectacles (n = 232) |
Custom-Made Spectacles (n = 228) |
|||
| Followed Up (n = 184) | Lost to Follow-up (n = 48) |
Followed Up (n = 178) | Lost to Follow-up (n = 50) |
|
| Sociodemographic | ||||
| Age, mean (SD) [range] | 13.3 (1.3) [11 to 15] | 13.8 (1.2) [11 to 15] | 13.6 (1.3) [11 to 15] | 13.7 (1.1) [11 to 15] |
| Female | 93 (50.5) | 18 (37.5) | 87 (48.9) | 29 (58.0) |
| Rural school | 56 (30.4) | 17 (35.4) | 56 (31.5) | 17 (34.0) |
| Parental | ||||
| Literacy | ||||
| Father only | 31 (16.8) | 7 (14.6) | 41 (23.0) | 16 (32.0) |
| Mother only | 31 (16.8) | 7 (14.6) | 33 (18.5) | 9 (18.0) |
| Both parents | 70 (38.0) | 20 (41.7) | 63 (35.4) | 17 (34.0) |
| Neither parent | 52 (28.3) | 14 (29.2) | 41 (23.0) | 8 (16.0) |
| Spectacle wear | ||||
| Father only | 21 (11.4) | 4 (8.3) | 21 (11.8) | 8 (16.0) |
| Mother only | 17 (9.2) | 1 (2.1) | 15 (8.4) | 4 (8.0) |
| Both parents | 6 (3.3) | 0 | 2 (1.1) | 1 (2.0) |
| Neither parent | 140 (76.1) | 43 (89.6) | 140 (78.7) | 37 (74.0) |
| Clinical | ||||
| Presenting VA in better eye | ||||
| <6/9 to 6/12 | 47 (25.5) | 15 (31.3) | 46 (25.8) | 17 (34.0) |
| <6/12 to 6/18 | 61 (33.2) | 14 (29.2) | 57 (32.0) | 15 (30.0) |
| <6/18 to 6/60 | 73 (39.7) | 18 (37.5) | 68 (38.2) | 17 (34.0) |
| <6/60 | 3 (1.6) | 1 (2.1) | 7 (3.9) | 1 (2.0) |
| SE (better eye), mean (SD) [range] | −1.49 (0.88) [0.50 to −4.50] | −1.58 (1.07) [−0.50 to −5.50] | −1.46 (1.28) [2.50 to −9.50] | −1.30 (0.93) [2.00 to −3.50] |
Abbreviations: SE, spherical equivalent; VA, visual acuity.
a
Percentages have been rounded and may not total 100.