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. 2020 Jan 6;14:13–21. doi: 10.2147/PPA.S222642

Table 2.

Demographic and Clinical Characteristics of Participants

Demographic Characteristics (N = 640) Mean SD
n Percent (%)
Age 48.26 14.25
Gender
 Male 163 25.5
 Female 473 73.9
 Unknown 4 0.6
Education
 8th grade or less 3 0.5
 Advanced degree (Master’s, Medical Doctor, PhD) 63 9.8
 College degree (Bachelor’s Degree) 113 17.7
 High school graduate or Equivalency Diploma 162 25.3
 Some college/Technical degree (includes, Associate’s Degree) 266 41.6
 Some High School (did not graduate) 33 5.2
Self-Reported Diagnosis*
Medical Diagnosis
 Allergy 187 29.22
 Arthritis 122 19.06
 Asthma 25 3.91
 Atopic Dermatitis 7 1.09
 Cancer 7 1.09
 Chronic Obstructive Pulmonary Disease (COPD) 10 1.56
 Crohn’s Disease 2 0.31
 Diabetes (Type 1) 1 0.16
 Diabetes (Type 2) 13 2.03
 Epilepsy/Seizures 5 0.78
 Fibromyalgia 6 0.94
 Gastroesophageal Reflux Disease 7 1.09
 Hemophilia 1 0.16
 Insomnia 14 2.19
 Irritable Bowel Syndrome 10 1.56
 Migraines 17 2.66
 Multiple Sclerosis 7 1.09
 Psoriasis 52 8.13
 Ulcerative Colitis 1 0.16
 Urinary Incontinence 6 0.94
Central Nervous System (CNS) Diagnosis
 Addiction 95 14.84
 Alzheimer’s Disease 2 0.31
 Anxiety Disorder 226 35.31
 Bipolar Disorder 34 5.31
 Depression 113 17.66
 Mild Cognitive Impairment 1 0.16
 Schizophrenia 2 0.31
No medical of CNS Reported Diagnosis 95 14.84
Previous Participation in Clinical Trial
 Yes 221 35.53
 No 419 65.47

Note: *Some participants (n = 427) reported more than one diagnosis.