Table 1.
Participant characteristics according to pain interference (PI), MOBILIZE Boston Study, 2005–2007.
| No PI (n = 284) | PI (n = 462) | P * | |
|---|---|---|---|
| n (%) | n (%) | ||
| Age | |||
| 70–74 y | 82 (28.9) | 135 (29.2) | 0.999 |
| 75–79 y | 93 (32.8) | 150 (32.5) | |
| 80–85 | 68 (24.0) | 112 (24.2) | |
| >85 y | 41 (14.4) | 65 (14.1) | |
| Gender | 0.025 | ||
| Female | 165 (58.1) | 306 (66.2) | |
| Male | 119 (41.9) | 156 (33.8) | |
| Race | |||
| White | 227 (79.9) | 350 (75.9) | 0.43 |
| Black | 41 (14.4) | 82 (17.8) | |
| Other | 16 (5.6) | 29 (6.3) | |
| Body mass index | 0.68 | ||
| <25 | 88 (31.5) | 128 (28.5) | |
| 25–29 | 117 (41.9) | 198 (44.1) | |
| ≥30 | 74 (26.5) | 123 (27.4) | |
| Education | 0.013 | ||
| High school | 20 (7.0) | 65 (14.1) | |
| High school graduate | 71 (25.0) | 103 (22.3) | |
| College graduate | 193 (68.0) | 293 (63.6) | |
| Asthma/Lung disease | 32 (11.3) | 87 (19.0) | 0.005 |
| Depression | 0.005 | ||
| Minor depression | 10 (3.5) | 41 (8.7) | |
| Major depression | 0 (0) | 4 (0.9) | |
| Heart disease | 113 (39.8) | 200 (43.3) | 0.29 |
| Diabetes | 50 (17.6) | 100 (21.7) | 0.18 |
| Spinal stenosis | 31 (10.9) | 107 (23.2) | <0.001 |
| Osteoarthritis | <0.001 | ||
| Knee | 26 (9.2) | 106 (23.0) | |
| Hand | 25 (8.8) | 61 (13.2) | |
| Both | 4 (1.4) | 54 (11.7) | |
| Neuropathy | 33 (11.70) | 59 (13.0) | 0.60 |
| Peripheral Artery disease (PAD) | 10 (3.5) | 62 (13.4) | <0.001 |
Pain interference measured using the Brief Pain Inventory; presence of PI determined as PI summary score >0.
*
Chi-square test for between-group differences, significant p ≤ 0.05.