Test completion rates (number of participants completing the assessments), the overall number and percentage of valid trials, and the median and IQR for the number of valid trials per child for the eye-tracking tests
| Malawi | Finland | p Value* | |
|---|---|---|---|
| Eye tracking | |||
| Overall completion rate | 34/38 (89.5%) | 37/39 (94.9%) | 0.377 |
| Visual search | |||
| Completion rate | 33/38 (86.8%) | 37/39 (94.9%) | 0.220 |
| Valid trials | 642/876 (73.2%) | 820/960 (85.4%) | <0.001 |
| Valid trials per child | 18.0 (4.5) | 22.0 (5.0) | <0.001 |
| Switch task | |||
| Completion rate | 35/38 (92.1%) | 39/39 (100.0%) | 0.073 |
| Valid trials | 807/1157 (69.7%) | 992/1261 (78.7%) | <0.001 |
| Valid trials per child | 22.0 (7.5) | 27.0 (7.0) | 0.004 |
| Disengagement | |||
| Completion rate | 34/38 (89.5%) | 36/39 (92.3%) | 0.665 |
| Valid trials | 785/1153 (68.1%) | 864/1248 (69.2%) | 0.320 |
| Valid trials per child | 22.0 (9.5) | 23.0 (10.0) | 0.405 |
| Structured observation | |||
| Gaze following | |||
| Completion rate | 33/38 (86.8%) | 39/39 (100.0%) | 0.019 |
| Valid trials | 257/264 (97.4%) | 310/312 (99.4%) | 0.086 |
| Valid trials per child | 8.0 (0.0) | 8.0 (0.0) | 0.076 |
| Alternating gaze | |||
| Completion rate | 33/38 (86.8%) | 39/39 (100.0%) | 0.019 |
| Valid trials | 277/297 (93.3%) | 342/351 (97.4%) | 0.088 |
| Valid trials per child | 9.0 (1.0) | 9.0 (0.0) | 0.012 |
*Proportions were compared with Pearson's χ2 tests and median trials per child with Mann-Whitney U tests.