| Characteristic | No. (%)* |
|---|---|
| Age, yr, mean ± SD† | 46.5 ± 14.4 |
| Median | 41 |
| Minimum | 24 |
| Maximum | 82 |
| Sex‡ | |
| Female | 21 (63.6) |
| Male | 12 (36.4) |
| Unknown or unspecified | 0 (0.0) |
| Aboriginal persons§ (not mutually exclusive categories) | |
| Not an Aboriginal person | 30 (96.8) |
| First Nations (North American Indian) | 1 (3.2) |
| Other categories listed (Métis or Inuk) | 0 (0.0) |
| Race/ethnicity¶ (not mutually exclusive categories) | |
| White | 31 (96.9) |
| Arab | 2 (6.3) |
| Other categories listed | 0 (0.0) |
| Employment status‡ (not mutually exclusive categories) | |
| Working now (full- or part-time) | 22 (66.7) |
| Retired | 7 (21.2) |
| Disabled due to back pain (permanently or temporarily) | 3 (9.1) |
| Student | 1 (3.0) |
| Looking for work | 1 (3.0) |
| Other categories listed | 0 (0.0) |
| Highest education level attained‡ | |
| No high school diploma | 3 (9.1) |
| High school diploma or equivalent | 4 (12.1) |
| Registered apprenticeship or other trades certificate or diploma | 3 (9.1) |
| College, CEGEP or other non-university certificate or diploma | 6 (18.2) |
| University certificate or diploma below bachelor's level | 0 (0.0) |
| Bachelor's degree | 7 (21.2) |
| University certificate or diploma above bachelor's level | 3 (9.1) |
| Master's degree | 4 (12.1) |
| Degree in medicine, dentistry, veterinary medicine or optometry | 0 (0.0) |
| Doctorate | 3 (9.1) |
| LBP that persisted at least 3 mo‡ | |
| Yes | 30 (90.9) |
| No | 3 (9.1) |
| LBP that has resulted in pain on at least half the days in the past 6 mo§ | |
| Yes | 16 (51.6) |
| No | 15 (48.4) |
| Presence of CLBP based on the NIH definition§ | |
| Yes | 15 (48.4) |
| No | 16 (51.6) |
| LBP intensity in the past 7 d (0-10), mean ± SD‡ | 4.8 ± 2.3 |
| Median | 5 ± 2.3 |
| Minimum | 0 |
| Maximum | 9 |
Note: CLBP = chronic low back pain, LBP = low back pain, SD = standard deviation.
*Unless otherwise specified.†5 missing data.
‡0 missing data.
§2 missing data.
¶ 1 missing data.