Research Article

Obesity Associated with Low Lean Mass and Low Bone Density Has Higher Impact on General Health in Middle-Aged and Older Adults

Table 1

Comparisons of visceral adipose tissue, muscle strength and performance, time spent sitting, and diet intake among the 8 groups defined according to body composition disturbances: ANCOVA controlled for age and sex.

VariablesGroups
Normal (N = 33)OP (N = 83)Low LM (N = 6)Obesity (N = 33)OP + low LM (N = 11)Obesity + OP (N = 24)Obesity + low LM (N = 14)Obesity + OP + low LM (N = 14)

VAT (kg)1.2 ± 0.6a1.0 ± 0.5a,b1.5 ± 0.4a,b,c2.3 ± 0.9c,d1.1 ± 0.5a,b,c,e2.0 ± 0.8c,d,f2.3 ± 0.8c,d,f,g2.2 ± 1.0c,d,f,g≤0.001
Strength (kg)33 ± 9.7a26.6 ± 9.3b29 ± 6.7a,b,c33 ± 9.9a,c,d29 ± 9.0a,b,c,d,e29.9 ± 11.2a,b,c,d,e,f28.2 ± 7.6a,b,c,d,e,f,g23.5 ± 6.9b,c,e,f,g≤0.001
Gait speed (m/s)0.9 ± 0.10.9 ± 0.20.9 ± 0.10.8 ± 0.20.8 ± 0.20.8 ± 0.20.8 ± 0.10.7 ± 0.10.108
TS sitting (min/week)1314 ± 866a1350 ± 1055a,b900 ± 805a,b,c2184 ± 1680a,c,d1266 ± 829a,b,c,d,e1490 ± 1123a,b,c,d,e,f2752 ± 1770d,e,f,g1596 ± 1136a,b,c,d,e,f,g0.002
Energy intake (kcal/day)1692 ± 4741655 ± 5271759 ± 1991711 ± 4571643 ± 4731602 ± 3891648 ± 3491511 ± 4120.936
Carbohydrates (%)51.8 ± 6.052.8 ± 6.451.1 ± 5.752.8 ± 5.652.2 ± 4.451.1 ± 4.153.3 ± 5.053.4 ± 7.30.920
Protein (%)18.3 ± 3.917.7 ± 3.418.4 ± 2.617.0 ± 3.217.8 ± 4.117.7 ± 2.317.1 ± 3.716.6 ± 3.10.624
Protein (g/kg)1.0 ± 0.4a1.1 ± 0.2a,b1.2 ± 0.3a,b,c0.7 ± 0.2d1.1 ± 0.5a,b,c,e0.8 ± 0.2c,d,f0.8 ± 0.2a,c,d,e0.7 ± 0.2a,c,d,f≤0.001
Leucine (g)5.8 ± 2.195.4 ± 1.66.3 ± 1.25.2 ± 1.45.5 ± 1.55.4 ± 1.45.2 ± 1.14.8 ± 1.70.399
Isoleucine (g)3.3 ± 1.23.1 ± 0.93.5 ± 0.73.0 ± 0.73.1 ± 0.93.1 ± 0.83.0 ± 0.72.7 ± 0.980.449
Valine (g)3.8 ± 1.43.5 ± 1.04.0 ± 0.83.4 ± 0.93.6 ± 1.03.5 ± 0.93.4 ± 0.73.1 ± 1.10.441
Total fat (%)31.6 ± 4.030.8 ± 4.528.5 ± 5.431.3 ± 4.531.6 ± 3.033.6 ± 2.731.3 ± 4.930.5 ± 4.20.107
SFA (%)10.4 ± 2.19.6 ± 1.89.7 ± 3.110.2 ± 2.79.7 ± 1.010.7 ± 1.710.1 ± 2.49.8 ± 2.20.198
MUFA (%)10.1 ± 1.99.9 ± 1.98.5 ± 2.29.9 ± 1.710.0 ± 1.510.3 ± 1.59.6 ± 2.19.8 ± 1.90.576
PUFA (%)7.0 ± 1.17.3 ± 1.36.2 ± 1.07.2 ± 1.78.0 ± 1.27.9 ± 1.37.6 ± 1.47.6 ± 1.40.067
Calcium (mg)596 ± 169536 ± 191543 ± 211546 ± 196475 ± 200520 ± 192523 ± 183498 ± 2310.582
Vitamin D (mcg)2.2 ± 1.71.9 ± 1.52.1 ± 0.61.6 ± 0.91.2 ± 0.91.6 ± 0.71.4 ± 0.71.1 ± 0.60.110

Different letters in the same row indicate statistical significance between the groups (Tukey–Kramer post hoc). OP, osteopenia/osteoporosis; LM, lean mass; AT, visceral adipose tissue; TS, time spent; SFA, saturated fatty acid; MUFA, monounsaturated fatty acid; PUFA, polyunsaturated fatty acid.