Table. Demographic and Clinical Characteristics of Participants .
| Characteristics | Patients, No. (%) | P value | |
|---|---|---|---|
| Below median weight (n = 134) | Above median weight (n = 135) | ||
| Age, mean (SD), y | 50.6 (18.8) | 52.0 (15.6) | NA |
| Sex | |||
| Female | 75 (56) | 42 (31) | <.001 |
| Male | 47 (35) | 83 (61) | |
| Not reported or unknown | 12 (9) | 10 (7) | .81 |
| Race | |||
| Black or African American | 5 (4) | 4 (3) | .99 |
| White | 100 (75) | 107 (79) | .45 |
| Asian | 7 (5) | 1 (1) | .07 |
| Identified as 2 or more races | 6 (4) | 5 (4) | .99 |
| Other | 4 (3) | 7 (5) | .55 |
| Not reported or unknown | 12 (9) | 11 (8) | >.99 |
| Ethnicity | |||
| Hispanic | 6 (4) | 10 (7) | .45 |
| Not reported or unknown | 12 (9) | 12 (9) | >.99 |
| Geographical region | |||
| West | 51 (38) | 42 (31) | .29 |
| Midwest | 21 (16) | 21 (16) | >.99 |
| Northeast | 23 (17) | 26 (19) | .77 |
| South | 39 (29) | 46 (34) | .46 |
| Medical comorbidities | |||
| Hypertension | 35 (26) | 66 (49) | <.001 |
| Hyperlipidemia | 46 (34) | 54 (40) | .40 |
| Diabetes | 8 (6) | 18 (13) | .66 |
| Coronary artery disease | 9 (7) | 10 (7) | >.99 |
| Congestive heart failure | 5 (4) | 2 (1) | .44 |
| Atrial fibrillation | 9 (7) | 20 (15) | .05 |
| Chronic obstructive pulmonary disease | 4 (3) | 2 (1) | .67 |
| Sleep apnea | 9 (7) | 31 (23) | <.001 |
| History of myocardial infarction | 6 (4) | 6 (4) | >.99 |
| History of stroke | 3 (2) | 3 (2) | >.99 |
| Weight, mean (SD), kg | 68.1 (9.1) | 101.0 (15.4) | NA |
| Body mass index, mean (SD)a | 24.1 (3.0) | 32.9 (5.6) | NA |
Abbreviation: NA, not applicable.
a
Body mass index is calculated as weight in kilograms divided by height in meters squared.