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Table 7 Associations between standardized cognitive scores at preschool age and in infancy and toddlerhood (N = 1245)

From: Trajectories of child cognitive development during ages 0–3 in rural Western China: prevalence, risk factors and links to preschool-age cognition

Variable

Standardized cognitive scores (at preschool age)

(1)

(2)

(3)

Standardized cognitive scores (in infancy)

0.15*** (0.03)

  

Standardized cognitive scores (in toddlerhood)

 

0.39*** (0.03)

 

Changes in standardized cognitive scores from infancy to toddlerhood

  

0.13*** (0.02)

Controls

Yes

Yes

Yes

County fixed effects

Yes

Yes

Yes

Time fixed effects

Yes

Yes

Yes

R-squared

0.16

0.26

0.16

  1. Models estimated in this table are defined in Eq. (4) in the manuscript. Control variables include the child’s age and gender, whether the child has siblings, whether the mother is the primary caregiver, whether the mother is more than 25 years old, whether the mother of the child had attained more than 12 years of education, and family asset index. We also control for time and county fixed effects. All standard errors account for clustering at the village level. Data source is authors’ survey
  2. ***p < .01