Table 3 Comparison of birth EWAS (i.e., prospective analysis) versus childhood EWAS (i.e., cross-sectional analysis): Overview of study findings

Outcome

Change from birth to childhood EWAS

Potential contributing factors

Sensitivity analyses

Correlation analyses

Effect size

Statistical significance

EWAS sample size

Between-study heterogeneity

Do results hold when making N equal across time points?

Do results hold within single longitudinal cohort (ALSPAC)

Correlations between time points (i.e., stability)

Correlations with other phenotypes