Table 2.
Strength, Anthropometric, and Diet Characteristics and Physical Activity at Baseline and at 12 Months, According to Study Group
| Variable | Baseline |
12 Months |
||||
|---|---|---|---|---|---|---|
| Weight Lifting (mean ± SD) | Control (mean ± SD) | P | Weight Lifting (mean ± SD) | Control (mean ± SD) | P | |
| Bench press, maximum, kg | 19.1 ± 6.6 | 18.4 ± 5.7 | .40 | 24.1 ± 6.9 | 18.5 ± 5.4 | < .001 |
| Leg press, maximum, kg | 79.8 ± 25.6 | 77.8 ± 25.3 | .61 | 100.8 ± 26.7 | 80.9 ± 25.6 | < .001 |
| Weight, kg | 79.1 ± 16.5 | 79.3 ± 17.4 | .85 | 77.3 ± 15.8 | 78.4 ± 17.1 | .78 |
| BMI, kg/m2 | 29.0 ± 5.9 | 28.7 ± 6.4 | .55 | 28.4 ± 5.5 | 28.6 ± 6.4 | .97 |
| Body fat, % | 37.8 ± 5.7 | 38.4 ± 5.8 | .36 | 37.4 ± 5.9 | 38.7 ± 5.8 | .08 |
| Fat mass, kg | 30.6 ± 10.0 | 31.1 ± 1.6 | .82 | 29.6 ± 9.6 | 31.1 ± 1.5 | .29 |
| Lean mass, kg | 48.5 ± 7.5 | 48.1 ± 7.6 | .54 | 47.7 ± 7.5 | 47.3 ± 7.6 | .60 |
| Diet, kcal/day | 1,731.1 ± 1,227.9 | 1,653.3 ± 1,304.8 | .77 | 1,511.7 ± 74.0 | 1,443.0 ± 75.2 | .35 |
| Physical activity, MET-hours/week | 64.0 ± 66.9 | 59.2 ± 63.6 | .19 | 65.2 ± 56.7 | 58.8 ± 74.5 | .05 |
Abbreviations: BMI, body mass index; MET, metabolic equivalent; SD, standard deviation.