Table 1.
Variables | Children with typical development (n=223) | Children with developmental disabilities (n=147) | Total (n=370) | P value | Effect size | |
Age (months), median (IQR) | 40.0 (12.0) | 72.0 (32.5) | 45.0 (26.5) | <.001 | 0.839a | |
Diagnosis, n (%) | ||||||
|
Intellectual disability | 0 (0.0) | 44 (0.33) | 44 (0.11) | N/Ab | N/A |
|
Autism spectrum disorder | 0 (0.0) | 41 (0.27) | 41 (0.11) | N/A | N/A |
|
Developmental disorder | 0 (0.0) | 33 (0.22) | 33 (0.09) | N/A | N/A |
|
Brain lesions | 0 (0.0) | 25 (0.17) | 25 (0.09) | N/A | N/A |
|
Monogenic disorder | 0 (0.0) | 4 (0.02) | 4 (0.01) | N/A | N/A |
Children playing subgame, n (%) | ||||||
|
Second subgame | 222 (99.55) | 144 (97.96) | 366 (98.92) | .03 | <0.001 |
|
Third subgame | 216 (97.31) | 145 (98.64) | 361 (97.84) | .24 | <0.001 |
|
Sixth subgame | 198 (88.79) | 139 (95.56) | 337 (91.98) | .04 | 0.002 |
Device size (inches), median (IQR) | 6.1 (4.2) | 6.1 (4.2) | 6.1 (4.2) | <.001 | 0.469a | |
Game playtime, (s/per game), median (IQR) | 11.8 (8.5) | 8.1 (6.5) | 10.3 (8.2) | <.001 | 0.687a | |
Games played, median (IQR) | 9.0 (9.0) | 1.0 (14.2) | 7.0 (12.5) | <.001 | 0.682a |
aCommon language effect size of continuous variables; η2 for effect size of categorical variables.
bN/A: not applicable.