Fig 1.
Overall general trends in proportion1 of maternal education level groups from 2004–2018.
Table 1.
Change in proportion1 of different exposures among different education level groups between 2004 and 2018.
Table 2.
Multivariable analysis1 of maternal education level and different factors in 2004.
Table 3.
Multivariable analysis1 of maternal education level and different factors in 2018.