(a)
| Age (yr) | Sex n (%) | Race n (%) | |
|---|---|---|---|
| NOR (76) | 56.8 ± 1.9 | F 41 (53.9) M 35 (46.1) | Euro-Am 58 (76.3) Afri-Am 12 (15.8) |
| MAL (76) | 65.1 ± 1.5 | F 39 (52.0) M 36 (48.0) | Euro-Am 63 (82.9) Afri-Am 8 (10.5) |
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