Table 1

Characteristics of children attending for initial health visiting team assessment for whom age-appropriate ASQ-3 and SSLM data are available, and for those who had subsequent assessment by a speech and language therapist





All participating children
N (%)
Children with no PLS
N (%)
Children with full data available for the main analysis
N (%)
Female377 (47)213 (47)164 (46)
Male419 (52)230 (51)189 (53)
Gender not known15 (2)11 (2.4)4 (1)
First-born345 (42)197 (43)148 (42)
Age (months), mean (SD)***25.5 (1.7)25.2 (1.8)25.8 (1.5)
English only spoken at home***495 (61)247 (54)248 (70)
Another language only spoken at home119 (15)85 (19)34 (9)
English plus another language spoken at home83 (10)51 (11)32 (9)
Language spoken at home not known114 (14)71 (16)43 (12)
IDACI decile,† mean (SD)***4.8 (2.5)4.4 (2.4)5.2 (2.6)
SSLM word count, median (IQR)27 (26)26 (22)29 (29)
ASQ-3 score, mean (SD)48.3 (16.4)48.7 (15.9)47.8 (16.9)
Respondent—mother763 (94)426 (94)337 (94)
Total811454357
  • Characteristics of children with full data and those without the PLS assessment were compared using independent t-tests, analysis of variance, Mann-Whitney or χ2 tests.

  • *P<0.05, **P<0.01, ***P<0.001.

  • †IDACI taken from the family home postcode. The lower the IDACI decile, the more disadvantaged the post code.

  • ASQ-3, Ages and Stages Questionnaire, Third Edition; IDACI, Income Deprivation Affecting Children Index; PLS, Preschool Language Scale; SSLM, Sure Start Language Measure.