Table 2 Descriptive statistics of the sample

From: High genetic risk individuals benefit less from resistance exercise intervention

Characteristics Total (n=148) Control (n=64) Exercise (n=84) P-value
Age (years) 56.1±4.6 56.4±5.0 55.8±4.2 0.40
Hormone therapy (%) 54% 53% 55% 0.84
Year 1 Dietary intake (kcal) 1670.9±422.6 1679.0±404.7 1665.0±438.2 0.85
Baseline weight (kg) 66.9±11.7 66.0±10.9 67.6±12.2 0.42
Change after 1 year 0.1±2.7 0.3±3.0 0.03±2.5 0.62
Baseline total body fat (g) 25381±8249 24950±8232 25710±8295 0.58
Change after 1 year −312±2471 153±2580 −665±2339 0.049
Baseline total body % fat (%) 37.7±6.6 37.4±7.2 37.9±6.2 0.71
Change after 1 year −0.6±2.6 0.09±2.5 −1.2±2.5 0.002
Baseline lean soft tissue (kg) 38.3±4.6 38.0±4.2 38.6±4.9 0.42
Change after 1 year 0.5±1.2 0.02±1.2 0.9±1.0 <0.001
Baseline % lean soft tissue (%) 58.0±6.2 58.3±6.8 57.0±5.8 0.64
Change after 1 year 0.7±2.6 −0.1±2.5 1.3±2.4 <0.001
Baseline abdominal fat (kg) 10.4±2.3 10.5±2.2 10.3±2.3 0.64
Change after 1 year −0.03±0.6 0.06±0.5 −0.1±0.7 0.10
KF change (n=121; 0=53,1=68) 3.43±9.69 0.55±7.77 5.68±10.5 <0.001
KE change (n=121; 0=53,1=68) 6.40±16.23 1.78±13.30 10.0±17.5 <0.001
EE change (n=114; 0=47,1=67) 0.34±3.52 −0.128±1.85 0.66±4.3 0.31
EF change (n=114; 0=47,1=67) 0.79±4.57 −0.04±2.34 1.37±5.6 0.07
Change Leg Press 1-RM (lbs)    171.6±90.1  
Change Military Press 1-RM (lbs)    7.42±3.59  
  1. Abbreviations: EE, elbow extension; EF, elbow flexion; KF, knee flexion; KE, knee extension; 1-RM, 1 repetition maximum
  2. Values are expressed as means±s.d.
  3. Sample sizes for the strength measures are given, where 0 refers to controls and 1 refers to exercisers. P-values<0.05 are shown in bold.