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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