Those who are Health care employees of hospitals, nursing homes, and other long-term care facilities all have minimum staffing standards.  So, how many patients can a CNA have?  Each state is able to mandate it’s own CNA:Resident Ratio.  The District of Columbia and seven states which includes that state of Arkansas, Delaware, Maine, Michigan, Oklahoma, Oregon, and South Carolina mandate that specific maximum numbers for CNA to resident ratios.  If you are employed as a certified nursing assistant in one of the states above that was mentioned, then the highest amount of patients assigned to your care on any particular shift can not surpass the one that has been specified by that state.

Studies have shown that working inadequate staffing can have an strong influence on a heath care workers health.  This can cause an increase in their risk of back, neck, and shoulder injuries.  High blood pressure, cardiovascular disease, and depression have as well been linked to working understaffed.

One study confirmed that the higher the total of CNA staffing levels were predictors of a lower total deficiency scores and the quality of care deficiency scores.  This study suggested that poor value of care have been linked to inadequate staffing levels.
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CNA:Resident Ratio

CNA to Resident Ratio


District of Columbia      






South Carolina        
               1:6           1:9           1:14

   1:6          1:10            1:15

                          1:7          1:10           1:15        
1:5          1:10           1:15
1:8          1:12           1:15

1:6           1:8            1:15

                     1:10          1:15           1:20

            1:9          1:13           1:22