Table 2.
Parameter | Group | Baseline | Post | Change |
Age (y) | CONTROL | 54 ± 5 | ||
CARB | 59 ± 2 | |||
CHICKEN | 60 ± 2 | |||
BEEF | 58 ± 2 | |||
Height (cm) | CONTROL | 163 ± 2 | ||
CARB | 164 ± 1 | |||
CHICKEN | 162 ± 1 | |||
BEEF | 164 ± 1 | |||
Body mass† (kg) | CONTROL | 79.8 ± 3.4 | 79.1 ± 3.7 | −1.2 ± 0.4 |
CARB | 75.9 ± 2.4 | 70.3 ± 2.4 | −5.6 ± 0.5‡ | |
CHICKEN | 76.2 ± 2.8 | 67.3 ± 2.6 | −7.9 ± 0.7‡ | |
BEEF | 81.0 ± 2.5 | 74.4 ± 2.6 | −6.6 ± 0.7‡ | |
Body mass index† (kg/cm2) | CONTROL | 30.1 ± 1.1 | 29.8 ± 1.2 | −0.3 ± 0.2 |
CARB | 28.4 ± 0.9 | 26.3 ± 0.9 | −2.1 ± 0.2‡ | |
CHICKEN | 29.1 ± 1.1 | 26.1 ± 1.0 | −3.0 ± 0.3‡ | |
BEEF | 30.1 ± 0.8 | 27.6 ± 0.9 | −2.5 ± 0.3‡ | |
Fat mass† (kg) | CONTROL | 35.3 ± 2.9 | 35.9 ± 3.2 | 0.6 ± 1.1 |
CARB | 33.5 ± 2.0 | 29.6 ± 2.0 | −3.9 ± 0.4‡ | |
CHICKEN | 32.9 ± 1.9 | 27.3 ± 1.7 | −5.6 ± 0.6‡ | |
BEEF | 35.4 ± 2.1 | 31.1 ± 2.2 | −4.3 ± 0.6‡ | |
Fat-free mass† (kg) | CONTROL | 44.5 ± 1.0 | 44.5 ± 0.9 | 0.0 ± 0.3 |
CARB | 42.4 ± 0.8 | 40.7 ± 0.7 | −1.7 ± 0.3‡ | |
CHICKEN | 43.3 ± 1.2 | 41.0 ± 1.1 | −2.3 ± 0.3‡ | |
BEEF | 45.5 ± 0.9 | 43.3 ± 0.8 | −2.2 ± 0.3‡ | |
Total bone mineral density† (g/cm2) | CONTROL | 1.166 ± 0.028 | 1.166 ± 0.028 | −0.0000 ± 0.004 |
CARB | 1.111 ± 0.026 | 1.107 ± 0.026 | −0.0038 ± 0.003 | |
CHICKEN | 1.143 ± 0.024 | 1.131 ± 0.024 | −0.0123 ± 0.003‡ | |
BEEF | 1.140 ± 0.026 | 1.126 ± 0.025 | −0.0145 ± 0.003‡ | |
Total bone mineral content (g) | CONTROL | 2542 ± 88 | 2548 ± 95 | 7 ± 21 |
CARB | 2377 ± 81 | 2354 ± 88 | −23 ± 20 | |
CHICKEN | 2242 ± 76 | 2445 ± 81 | 3 ± 18 | |
BEEF | 2463 ± 78 | 2480 ± 84 | 18 ± 19 | |
Total bone area (cm2) | CONTROL | 2170 ± 48 | 2176 ± 53 | 6 ± 21 |
CARB | 2140 ± 44 | 2127 ± 49 | −12 ± 20 | |
CHICKEN | 2130 ± 41 | 2152 ± 45 | 23 ± 18 | |
BEEF | 2165 ± 43 | 2205 ± 47 | 40 ± 19 |
Notes: *Mean ± SEM; BEEF = moderate protein beef group (n = 14), CHICKEN = moderate protein chicken group (n = 15), CARB = lower protein, lacto-ovo vegetarian group (n = 14), and CONTROL = nonintervention control group (n = 11).
Significant group-by-time interaction p < .05.
Significant difference compared with control p < .05.