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Table 4 Muscle, bone, physical activity, and nutrition

From: Intensity of resistance training via self-reported history is critical in properly characterizing musculoskeletal health

  NRT
(95% CI)
LIRT
(95% CI)
NRT vs. LIRT HIRT
(95% CI)
NRT vs. HIRT LIRT vs. HIRT
p p p
Whole body BMC (kg) 2.203 ± 0.329
(2.126–2.280)
2.424 ± 0.464
(2.306–2.542)
0.002* 2.565 ± 0.409
(2.434–2.696)
< 0.001* 0.116
Whole body fat mass (kg) 18.63 ± 5.53
(17.46–19.79)
15.93 ± 5.99
(14.15–17.70)
0.013* 16.98 ± 6.13
(15.00–18.96)
0.158 0.437
Whole body BFLM (kg) 44.70 ± 7.72
(42.97–46.42)
50.38 ± 9.66
(47.74–53.02)
< 0.001* 52.96 ± 9.45
(50.00–55.90)
< 0.001* 0.199
Whole body percentage body fat (%) 28.4 ± 6.6
(27.0–29.7)
23.2 ± 7.2
(21.1–25.3)
< 0.001* 23.3 ± 7.2
(21.0–25.7)
< 0.001* 0.934
Physical activity (MET•hrs•wk.− 1) 41.9 ± 54.7
(30.5–53.3)
55.6 ± 47.9
(38.2–73.1)
0.194 71.0 ± 70.3
(51.6–90.5)
0.012* 0.247
Caloric intake (kcals•d− 1) 1833.4 ± 839.7
(1645.7–2021.1)
2090.4 ± 1113.8
(1803.2–2377.6)
0.141 2363.7 ± 949.3
(2043.5–2683.8)
0.005* 0.212
Total calcium intake (mg•d−1) 988.9 ± 478.6
(891.9–1085.9)
1044.8 ± 477.9
(896.4–1193.2)
0.535 1236.8 ± 493.5
(1071.3–1402.2)
0.012* 0.090
Total vitamin D intake (μg•d− 1) 9.61 ± 18.87
(6.63–12.50)
8.24 ± 5.79
(3.68–12.80)
0.621 8.44 ± 6.56
(3.53–13.52)
0.695 0.955
Protein intake (g•d− 1) 69.5 ± 35.7
(61.5–77.5)
87.2 ± 48.1
(74.9–99.4)
0.018* 89.7 ± 39.7
(76.0–103.3)
0.013* 0.786
Relative protein intake (g•kg− 1•d− 1) 1.08 ± 0.56
(0.97–1.2)
1.25 ± 0.60
(1.08–1.44)
0.112 1.28 ± 0.62
(1.08–1.48)
0.099 0.878
  1. *p <0.05
  2. All values presented as estimated means ± SD
  3. 95% CI 95% confidence interval, NRT non-resistance-trained, LIRT low-intensity resistance-trained, HIRT high-intensity resistance-trained, BMC bone mineral content, BFLM bone-mineral free lean mass, MET metabolic equivalents