Table 1.
Baseline characteristics according to spondylolisthesis status among men age ≥ 65yrs: The MrOS Study.
| Baseline characteristic | Spondylolisthesis (n=92) | No spondylolisthesis (n=203) | p-value* |
|---|---|---|---|
| Mean(sd) | Mean(sd) | ||
| Age | 75 (6) | 74 (6) | 0.32 |
| Height | 173 (7) | 175 (7) | 0.07 |
| BMI | 27 (3) | 28 (4) | 0.64 |
| Physical Activity Score | 153 (67) | 145 (65) | 0.34 |
| Leisure | 44 (43) | 34 (34) | 0.04 |
| Household | 100 (46) | 96 (41) | 0.44 |
| Number (%) | Number (%) | ||
| Race | |||
| Caucasian | 85 (92%) | 181 (89%) | 0.56** |
| African American | 2 (2%) | 11 (5%) | |
| Other† | 5 (5%) | 11 (5%) | |
| Education level | |||
| High school or less | 47 (51%) | 83 (41%) | 0.10 |
| College or higher | 45 (49%) | 120 (59%) | |
| Self-rated Health | |||
| Excellent | 30 (33%) | 62 (31%) | 0.78 |
| Good | 45 (49%) | 108 (53%) | |
| Fair, poor or very poor | 17 (18%) | 33 (16%) | |
| Medical history | |||
| Diabetes | 13 (14%) | 23 (11%) | 0.50 |
| None | 79 (86%) | 180 (89%) | |
| Hypertension | 48 (52%) | 101 (50%) | 0.70 |
| None | 44 (48%) | 102 (50%) | |
| Angina | 14 (15%) | 37 (18%) | 0.53 |
| None | 78 (85%) | 166 (82%) | |
| Myocardial infarction | 20 (22%) | 33 (16%) | 0.26 |
| None | 72 (78%) | 170 (84%) | |
| Hip osteoarthritis | 8 (9%) | 10 (5%) | 0.21 |
| None | 84 (91%) | 193 (95%) | |
| Peripheral arterial disease‡ | |||
| Yes (ABI < 0.90) | 5 (6%) | 16 (8%) | 0.63** |
| No (ABI ≥0.90) | 83 (94%) | 180 (92%) | |
*
P-values are computed with t-tests for continuous variables or with chi-square or Fisher’s exact** tests for categorical variables.
†
Because of small numbers, men of Asian race or who reported ≥ 1 race were combined.
‡
ABI =Ankle brachial index. Data for 11 men were missing.