Table 4.
Chi-Square Results and Proportion of Parents Reporting Concerns by Concern Type, Age, and Family Risk Group
| 6 Months | 9 months | 12 months | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Concern Type | Contrasts df=1 N =150 | Odds Ratio | Percent Reporting Concerns | Contrasts df=1 N =124 | Odds Ratio | Percent Reporting Concerns | Contrasts df=1 N =109 | Odds Ratio | Percent Reporting Concerns |
| Language | χ2 = 7.41 | HRA vs. LRC | HRA = 23.2% | χ2 = 7.99 | HRA vs. LRC | HRA = 18.6% | χ2 = 12.59 | HRA vs. LRC | HRA = 35.7% |
| p = .010 | OR = 3.77 | LRC = 7.4% | p = .007 | OR = 7.22 | LRC = 3.1% | p = .000 | OR = 6.81 | LRC = 7.5% | |
| Social Communication | χ2 = 8.35 | HRA vs. LRC | HRA = 13% | χ2 = 8.17 | HRA vs. LRC | HRA = 11.9% | χ2 = 6.58 | HRA vs. LRC | HRA = 16.1% |
| p = .006 | OR = 12.0 | LRC = 6.7% | p = .005 | - | LRC = 0% | p = .017 | OR = 10.0 | LRC = 1.9% | |
| RRB | χ2 = 6.13 | HRA vs. LRC | HRA = 13.05 | χ2 = 5.67 | HRA vs. LRC | HRA = 15.3% | χ2 = 6.53 | HRA vs. LRC | HRA = 19.6% |
| p = .024 | OR = 5.9 | LRC = 2.5% | p = .025 | OR = 5.7 | LRC = 3.1% | p = .016 | OR = 6.2 | LRC = 3.8% | |
| Medical | χ2 = 1.90 | HRA vs. LRC | HRA = 49.3% | χ2 = .998 | HRA vs. LRC | HRA = 37.3% | χ2 = .02 | HRA vs. LRC | HRA = 42.9% |
| p = .19 | OR = .63 | LRC = 60.5% | p = .37 | OR = .70 | LRC = 46.2% | p = 1.0 | OR = 1.06 | LRC = 41.5% | |
| Autism | χ2 = 12.17 | HRA vs. LRC | HRA 34.8% | χ2 = 13.90 | HRA vs. LRC | HRA 32.2% | χ2 = 17.56 | HRA vs. LRC | HRA 48.2% |
| p = .001 | OR = 4.27 | LRC = 11.1% | p = .000 | OR = 7.24 | LRC = 6.2% | p = .000 | OR = 7.29 | LRC = 11.3% | |
Note: Bonferroni-Holm corrections were applied within age. Significant Chi-square results are bolded. RRB = Restrictive, Repetitive Behaviors; OR = Odds Ratio.