From: Social inequalities in early childhood language development during the COVID-19 pandemic: a descriptive study with data from three consecutive school entry surveys in Germany
Year of survey
2018/2019
N = 19,299
2019/2020
N = 19,916
2020/2021
N = 19,698
Delay (%)
95% CI
21.1
0.205–0.217
19.2
0.186- 0.197
18.8
0.183–0.194