Table 1.
Baseline characteristics among older men
| Characteristics | Caucasian (n = 3,869) | African American (n = 138) | Asian American (n = 145) | Afro-Caribbean (n = 334) | Overall p value |
|---|---|---|---|---|---|
| Follow-up period (years) | 4.6±0.36 | 4.5±0.30a | 4.4±0.26a | 4.3±0.77a | <.0001 |
| Age (years) | 72.9±5.4 | 70.4±4.3a | 72.4±4.9 | 71.3±5.1a | <.0001 |
| Height (cm) | 174.8±6.5 | 174.7±7.5 | 167.0±5.8a | 171.4±6.0a | <.0001 |
| Body weight (kg) | 83.5±12.1 | 86.9±15.0 | 70.0±9.0a | 79.2±13.0a | <.0001 |
| BMI (kg/m2) | 27.2±3.4 | 28.3±4.1a | 25.1±3.0a | 26.8±3.9a | <.0001 |
| Fat mass (kg) | 21.6±6.5 | 21.5±7.0 | 16.4±4.4a | 16.6±6.1a | <.0001 |
| Percentage fat mass (%) | 26.1±5.2 | 25.1±5.0a | 23.7±4.4a | 21.3±5.6a | <.0001 |
| Diabetes (%) | 8.5 | 20.3a | 15.8 | 20.5a | <.0001 |
| Prostate cancer (%) | 8.8 | 16.7 | 9.7 | 20.1a | <.0001 |
| Ever fracture (%) | 56.5 | 45.7a | 35.9 | 16.1a | <.0001 |
| Ever smoke (%) | 60.8 | 63.0a | 55.2 | 38.6a | <.0001 |
| Currently smoke (%) | 2.8 | 9.4a | 2.1 | 6.3 | .0003 |
| Weight change (%) | –1.53±5.1 | –1.25±5.6 | –1.16±4.4 | –1.37±7.2 | .7464 |
| Gain (≥5%)b | 9.0 (7.5) | 14.1 (8.1) | 9.1 (7.7) | 17.3 (9.1)a | <.0001 |
| Stable (–5 to +5%)b | 68.6 (–0.4) | 65.9 (–0.9) | 72.7 (–0.9)a | 55.6 (–0.5)a | <.0001 |
| Lost (≤–5%)b | 22.4 (–8.5) | 20.0 (–8.9) | 18.2 (–6.8) | 27.2 (–9.8)a | .1176 |
Values are unadjusted mean±SD or prevalence
a
Pairwise p values were significantly different from Caucasians
b
Values are prevalence (mean weight change) in that group