Table 3.
Comparison of children with language disorder by NVIQ band. Weighted frequencies and means reported, with 95% CIs in parentheses. For categorical variables (indicated by %) the F‐statistic is a design based corrected χ 2 value
| ‘Average’ NVIQ (NVIQ > −1SD) | ‘Low‐average’ NVIQ (NVIQ between −2SD and −1SD) | F (1,90) | p | |
|---|---|---|---|---|
| N raw (N weighted) | 54 (309) | 37 (179) | ||
| Male:Female | 1.56:1 | 0.81:1 | ||
| % Male | 60.87 (38.22, 79.64) | 44.71 (20.98, 71.13) | 0.82 | .37 |
| Age (months) | 72.26 (70.60, 73.92) | 70.24 (68.68, 71.80) | 3.10 | .08 |
| IDACI rank | 15,317 (12,255, 18,380) | 17,841 (11,833, 23,850) | 0.55 | .46 |
| Total language composite (z‐score) | −1.60 (−1.77, −1.43) | −1.88 (−2.30, −1.46) | 1.48 | .23 |
| CCC‐S total (raw score) | 17.01 (13.12, 20.90) | 19.25 (14.14, 24.35) | 0.48 | .49 |
| SDQ‐Total difficulties (raw score) | 7.24 (5.39, 9.09) | 7.36 (4.87, 9.84) | 0.01 | .94 |
| % Social, emotional behavioural problems (SDQ abnormal behaviour) | 9.85 (4.61, 19.82) | 9.38 (3.70, 21.81) | 0.007 | .93 |
| EYFSP total (raw score) | 29.53 (26.28, 32.78) | 27.53 (25.16, 29.90) | 0.97 | .33 |
| % achieving ‘good level of development’ (EYFSP) | 9.00 (1.87, 33.95) | 16.62 (2.88, 57.30) | 0.31 | .57 |
| % School support | 32.95 (16.43, 55.14) | 51.35 (24.89, 77.07) | 1.07 | .30 |
| % Statement of special educational need | 3.07 (0.95, 9.45) | 4.12 (1.09, 14.37) | 0.11 | .74 |
| % referral speech‐language therapy | 31.50 (15.36, 53.81) | 52.05 (25.39, 77.59) | 1.34 | .25 |
| % consonants correct (speech) | 95.51 (92.89, 98.13) | 94.37 (91.53, 97.22) | 0.34 | .56 |
IDACI, Income Deprivation Affecting Children Index; CCC‐S, Children's Communication Checklist‐Short; SDQ, Strengths and Difficulties Questionnaire; EYFSP, Early Years Foundation Stage Profile.