Table 4.
Developmental concern distributions and Pearson’s correlation coefficients, n = 538
| Developmental concern | Pearson’s correlation coefficients | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Developmental concern | |||||||||||||
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | |
| Did not sleep as much as other children | 1.00 | ||||||||||||
| Lost skills or regressed | 0.10 | 1.00 | |||||||||||
| Abnormal motor development/muscle tone | 0.08 | 0.02 | 1.00 | ||||||||||
| Delayed/absent response to own name | 0.21 | 0.21 | 0.13 | 1.00 | |||||||||
| Did not point/gesture/imitate | 0.20 | 0.16 | 0.17 | 0.42 | 1.00 | ||||||||
| Repetitive behaviors: hand-flapping/rocking | 0.17 | 0.24 | 0.22 | 0.19 | 0.27 | 1.00 | |||||||
| Did not engage in pretend/imitative play | 0.17 | 0.14 | 0.15 | 0.32 | 0.44 | 0.25 | 1.00 | ||||||
| Delayed/abnormal babbling/speaking | 0.08 | 0.13 | 0.12 | 0.22 | 0.34 | 0.15 | 0.25 | 1.00 | |||||
| Other people expressed concerns | −0.01 | 0.04 | 0.09 | −0.01 | −0.01 | 0.07 | 0.05 | −0.12 | 1.00 | ||||
| Focused on objects/self than other people | 0.15 | 0.16 | 0.14 | 0.16 | 0.24 | 0.24 | 0.27 | 0.08 | 0.04 | 1.00 | |||
| Unusual responses to touch/taste/smell/sounds | 0.24 | 0.02 | 0.22 | 0.11 | 0.12 | 0.29 | 0.20 | −0.03 | 0.15 | 0.26 | 1.00 | ||
| Had poor eye contact | 0.17 | 0.11 | 0.13 | 0.36 | 0.27 | 0.22 | 0.26 | 0.09 | 0.07 | 0.31 | 0.21 | 1.00 | |
| Did not/rarely initiate social interaction | 0.11 | 0.12 | 0.18 | 0.28 | 0.34 | 0.31 | 0.35 | 0.17 | 0.07 | 0.36 | 0.21 | 0.39 | 1.00 |