Table 3.

Early child development outcomes on EASQ—difference by group

EASQ category	Mean difference	95% CI	Standardised coefficient	95% CI	Adj R2	Obs.
Communication
EASQ 7–9 months	0.11	0.03 to 0.18	0.09	−0.03 to 0.14	0.08	184
EASQ 10–11 months	0.50*	0.23 to 0.76	0.34*	0.14 to 0.62	0.41	59
Combined	0.27*	0.00 to 0.18	0.21*	0.07 to 0.26	0.22	243
Social development
EASQ 7–9 months	0.11*	0.03 to 0.19	0.15*	0.01 to 0.17	0.07	184
EASQ 10–11 months	0.49*	0.26 to 0.73	0.42*	0.20 to 0.63	0.42	59
Combined	0.27 *	0.19 to 0.36	0.27*	0.11 to 0.28	0.26	243
Motor development
EASQ 7–9 months	0.14*	0.07 to 0.21	0.26*	0.07 to 0.24	0.05	184
EASQ 10–11 months	0.46*	0.20 to 0.71	0.46*	0.23 to 0.75	0.19	59
Combined	0.22*	0.16 to 0.32	0.33*	0.14 to 0.31	0.12	243
Total score
EASQ 7–9 months	0.12*	0.06 to 0.18	0.21*	0.03 to 0.17	0.06	184
EASQ 10–11 months	0.48*	0.30 to 0.66	0.51*	0.26 to 0.60	0.48	59
Combined	0.24*	0.20 to 0.33	0.32*	0.13 to 0.27	0.26	243

Adjusted multivariable regression included child sex and age, as well as caregiver education, socioeconomic status and fixed effects for research staff members conducting the assessment.

*P<0.05.

EASQ, Extended Ages and Stages Questionnaire.