Table 1.
Disease incidenceain the United States and in the self-identified user (SIU) population for 29 diseases.
| Disease | Percentage of SIUs | Incidence in the United States | Rank of SIU | Rank of incidence in the United States |
| HIV | 6.17E+00 | 1.53E-04 | 1 | 18 |
| Cancer | 5.19E+00 | 5.37E-03 | 2 | 3 |
| Diabetes mellitus | 4.42E+00 | 6.13E-03 | 3 | 2 |
| Herpes simplex | 2.34E+00 | 2.50E-03 | 4 | 4 |
| Arthritis | 1.30E+00 | 4.10E-04 | 5 | 11 |
| Atrial fibrillation | 1.08E+00 | 6.45E-02 | 6 | 1 |
| Gastroparesis | 1.05E+00 | 2.50E-05 | 7 | 28 |
| Heart failure | 9.70E-01 | 1.77E-04 | 8 | 15 |
| Schizophrenia | 9.44E-01 | 7.00E-04 | 9 | 8 |
| Crohn’s disease | 8.38E-01 | 7.90E-05 | 10 | 20 |
| Dementia | 7.69E-01 | 1.51E-03 | 11 | 5 |
| Alzheimer's disease | 7.53E-01 | 1.26E-03 | 12 | 6 |
| Amyotrophic lateral sclerosis | 6.04E-01 | 1.81E-05 | 13 | 29 |
| Parkinson's disease | 5.62E-01 | 1.77E-04 | 14 | 15 |
| Breast cancer | 5.04E-01 | 7.51E-04 | 15 | 7 |
| Colitis | 4.40E-01 | 8.80E-05 | 16 | 19 |
| Asthma | 4.19E-01 | 7.00E-04 | 17 | 8 |
| Epilepsy | 3.92E-01 | 4.70E-04 | 18 | 10 |
| Lyme disease | 3.45E-01 | 7.00E-05 | 19 | 23 |
| Hepatitis C | 3.08E-01 | 5.48E-05 | 20 | 25 |
| Spina bifida | 2.65E-01 | 3.49E-04 | 21 | 12 |
| Leukemia | 2.55E-01 | 1.69E-04 | 22 | 17 |
| Hypothyroidism | 2.33E-01 | 2.86E-04 | 23 | 13 |
| Chronic pancreatitis | 2.28E-01 | 4.35E-05 | 24 | 27 |
| Celiac disease | 2.17E-01 | 6.50E-05 | 25 | 24 |
| Cardiomyopathy | 1.96E-01 | 5.00E-05 | 26 | 26 |
| Multiple myeloma | 1.59E-01 | 7.76E-05 | 27 | 21 |
| Lymphoma | 1.48E-01 | 2.58E-04 | 28 | 14 |
| Brain tumor | 1.22E-01 | 7.54E-05 | 29 | 22 |
aIncidence is provided as a fraction of the population.