Svyby proportion summary tables

You may want to consider the gt package.

For us to really help, it would be helpful to provide a reproducible example:
FAQ: What's a reproducible example (reprex) and how do I create one?

Also, you can wrap your text in three back-ticks (```) to format it as code. This makes it a lot easier to read:

baro_unweightedpointcoverage <- df_child_level_baro_point_coverage %>%
   as_survey_design(ids=grappe_no,) #cluster number

baro_unweightedpointcoverage %>%
   group_by(covered) %>%