so it does have negative impact but good thing world economic condition has been getting better since pandemic now most of inflation rate also keeps up with salary growth but we definitely not talking about blue collar job with stagnating income, the government really need to look into that.
If you want to be more specific, you can press the link below:
https://typeset.io/questions/what-are-the-effects-of-inflation-in-household-savings-and-3sle1raddy
https://www.bankrate.com/personal-finance/effects-of-inflation-on-lower-income-emergency-funds/
https://cepr.org/voxeu/columns/households-response-wealth-effects-inflation
those definition above is good to understand how purchasing power is the one that got affected most, but finding solution is also hard thing.
the fact that based on your study mentioned that lower income household having hard time saving means they are just few steps away from poverty.