Table 1.
Participant Characteristics according to Tender Point (TP) Categories, MOBILIZE Boston Study, 2005–2007
| No TP (n=306) |
1 or 2 TP (n=150) |
≥3 TP (n=129) |
P value* | |
|---|---|---|---|---|
| n (%) | n (%) | n (%) | ||
| Age | ||||
| 70–74 y | 95 (31.0) | 46 (30.7) | 41 (31.8) | |
| 75–84 y | 172 (56.2) | 87 (58.0) | 64 (49.6) | |
| 85 y | 39 (12.7) | 17 (11.3) | 24 (18.6) | .391 |
| Gender | ||||
| female | 156 (51.0) | 110 (73.3) | 105 (81.4) | |
| male | 150 (49.0) | 40 (26.7) | 24 (18.6) | <.001 |
| Race | ||||
| white | 236 (77.1) | 121 (81.2) | 98 (76.0) | |
| black | 54 (17.6) | 22 (14.8) | 23 (17.8) | |
| other | 16 (5.2) | 6 (4.0) | 8 (6.2) | .825 |
| Body Mass Index | ||||
| <25 | 109 (36.3) | 45 (30.6) | 37 (29.8) | |
| 25–29 | 131 (43.7) | 59 (40.1) | 46 (37.1) | |
| ≥ 30 | 60 (20.0) | 43 (29.3) | 41 (33.1) | .044 |
| Education | ||||
| ≤12 y | 98 (32.0) | 53 (35.3) | 59 (45.7) | |
| >12 y | 208 (68.0) | 97 (64.7) | 70 (54.3) | .024 |
| Depression | 14 (4.6) | 16 (10.7) | 14 (10.9) | .018 |
| Heart disease | 118 (38.6) | 68 (45.3) | 54 (41.9) | .376 |
| Diabetes | 60 (19.6) | 21 (14.0) | 26 (20.2) | .286 |
| Spinal stenosis/disc disease | 47 (15.4) | 35 (23.3) | 31 (24.0) | .039 |
| Gout | 35 (11.4) | 20 (13.3) | 9 (7.0) | .219 |
| Asthma/lung disease | 39 (12.7) | 22 (14.7) | 34 (26.4) | .002 |
| Stroke | 37 (12.1) | 12 (8.0) | 13 (10.1) | .401 |
| Daily use of analgesic medication | 95 (31.0) | 45 (30.0) | 54 (41.9) | .058 |
| No. of medications | ||||
| <7 | 129 (42.2) | 49 (32.7) | 38 (29.5) | |
| ≥7 | 177 (57.8) | 101 (67.3) | 91 (70.5) | .020 |
| Blocks walked per week | ||||
| ≤2 blocks | 44 (14.4) | 26 (17.3) | 35 (27.1) | |
| ≤1 mile† | 86 (28.2) | 52 (34.7) | 47 (36.4) | |
| ≤4 miles | 76 (24.9) | 38 (25.3) | 23 (17.8) | |
| >4 miles | 99 (32.5) | 34 (22.7) | 24 (18.6) | .002 |
*
Chi-square test for between-group differences.
†
12 blocks per mile, block groups are mutually exclusive.