TABLE 1.

Chronic conditions by type

Chronic condition/risk factor type a	Description b	N (%)
Neurological disorders	Disorders of the brain, spinal cord, peripheral nerve, and muscle such as cerebral palsy, epilepsy (seizure disorders), stroke, intellectual disability, moderate to severe developmental delay, muscular dystrophy, or spinal cord injury	609 (23.7%)
Lung disease	Asthma or chronic obstructive pulmonary disease (eg, chronic bronchitis or emphysema, or other chronic conditions associated with impaired lung function or that require home oxygen)	433 (16.8%)
Endocrine disorders	For instance, diabetes mellitus	417 (16.2%)
Compromised immune system/immunosuppression	Seeing a doctor for cancer and treatment such as chemotherapy or radiation, receiving an organ or bone marrow transplant, taking high doses of corticosteroids or other immunosuppressant medications, HIV or AIDS	403 (15.7%)
Heart disease	Congenital heart disease, congestive heart failure, or coronary artery disease	234 (9.1%)
Blood disorders	Sickle cell disease or on blood thinners	211 (8.2%)
Chronic kidney disease	Patients who have been told to avoid or reduce the dose of medications due to kidney disease, or who are under treatment for kidney disease, including receiving dialysis	81 (3.1%)
Metabolic disorders	Inherited metabolic disorders and mitochondrial disorders	55 (2.1%)
Chronic liver disease	Cirrhosis, chronic hepatitis, or patients who have been told to avoid or reduce the dose of medications because of liver disease or are under treatment for liver disease	39 (1.5%)

^a Participants may endorse more than one one chronic condition. Due to this, the total number of conditions endorsed is greater than the sample size and the percentage does not equal 100%.

^b Descriptions of chronic conditions are based on CDC descriptions. ¹⁸