Table 1.
Description of the study participants.
| Variable | All participants N (%) or Mean (SD) (N = 594) | AMP N (%) or Mean (SD) (N = 132) | MS N (%) or Mean (SD) (N = 124) | NMD N (%) or Mean (SD) (N = 212) | SCI N (%) or Mean (SD) (N = 126) |
|---|---|---|---|---|---|
| Age (in years) | 51.01 (13.26) | 58.25 (14.38) | 50.85 (10.79) | 48.10 (13.06) | 48.45 (11.76) |
| Sex | |||||
| Men | 313 (53%) | 100 (76%) | 31 (25%) | 91 (43%) | 91 (72%) |
| Women | 218 (47%) | 32 (24%) | 93 (75%) | 121 (57%) | 35 (28%) |
| Education level | |||||
| 9th grade or less | 6 (1%) | 2 (2%) | 1 (1%) | 0 (0%) | 3 (2%) |
| 10th – 11th grade | 12 (2%) | 7 (5%) | 1 (1%) | 0 (0%) | 4 (3%) |
| High School graduate/GED | 82 (14%) | 12 (9%) | 12 (10%) | 45 (12%) | 13 (10%) |
| Some vocational or technical school | 55 (9%) | 18 (14%) | 7 (6%) | 15 (7%) | 15 (12%) |
| Some college | 170 (29%) | 37 (28%) | 36 (29%) | 58 (27%) | 39 (31%) |
| College graduate | 158 (27%) | 35 (27%) | 37 (30%) | 55 (26%) | 31 (25%) |
| Graduate school | 111 (19%) | 21 (16%) | 30 (24%) | 39 (18%) | 21 (17%) |
| Race/Ethnicity* | |||||
| Caucasian | 551 (93%) | 123 (93%) | 119 (96%) | 197 (93%) | 112 (90%) |
| Native American | 15 (3%) | 2 (2%) | 2 (2%) | 3 (1%) | 8 (6%) |
| Hispanic | 14 (2%) | 1 (1%) | 1 (1%) | 7 (3%) | 5 (4%) |
| African-American | 7 (1%) | 4 (3%) | 1 (1%) | 0 (0%) | 2 (2%) |
| Asian | 11 (2%) | 2 (2%) | 2 (2%) | 3 (1%) | 4 (3%) |
| Pacific Islander | 3 (1%) | 0 (0%) | 1 (1%) | 2 (1%) | 0 (0%) |
| NRS Pain Intensity | 4.74 (2.45) | 4.83 (2.52) | 4.81 (2.37) | 4.46 (.2.55) | 5.08 (2.25) |
| VRS Pain severity | |||||
| None | 10 (2%) | 2 (2%) | 1 (1%) | 5 (2%) | 2 (2%) |
| Very mild | 50 (8%) | 12 (9%) | 9 (7%) | 20 (9%) | 9 (7%) |
| Mild | 108 (18%) | 20 (15%) | 24 (19%) | 53 (24%) | 13 (10%) |
| Moderate | 275 (46%) | 58 (44%) | 64 (52%) | 96 (45%) | 57 (45%) |
| Severe | 126 (21%) | 33 (25%) | 23 (19%) | 33 (16%) | 37 (29%) |
| Very severe | 25 (4%) | 7 (5%) | 3 (2%) | 7 (3%) | 8 (6%) |
*
Sums to > 594, as participants could endorse more than one category
Note: GED = (General Education Development); NRS = 0–10 Numerical Rating Scale of average pain intensity; VRS = 6-point Verbal Rating Scale of average pain severity.