Is it okay to have R-Squared or an Adjusted R-Squared to be over 90% in multiple linear regression? Does this raise any suspicion or question?

I ran multiple linear regression by using six IVs to predict household water insecurity in rural Ghana. My output came out with R-squared and Adjusted R-Squared of .981 and .962, respectively....

11 July 2020 6,018 2 View