Table 2
Anthropometrical and fitness parameters assessed before and after a 12-week walking football intervention for males over 50 years old
| Week 0 | Week 12 | Mean difference (W12-W0) | p Value | ES | |
|---|---|---|---|---|---|
| Mass (kg) | 89.2 (9.1) | 87.4 (8.56) | −1.8 (−0.3 to 3.9) | 0.08 | −0.6 |
| Fat mass (kg) | 27.4 (9.0) | 24.4 (8.9) | −3.0 (0.8 to 5.2) | 0.01* | −1.0 |
| Lean mass (kg) | 61.8 (6.0) | 64.3 (8.0) | 2.5 (−5.1 to 0.2) | 0.06 | 0.7 |
| Body fat (%) | 30.3 (8.2) | 27.5 (8.5) | −2.8 (0.8 to 4.8) | 0.01* | −1.0 |
| BMI | 29 (3) | 28 (4) | −1 (0 to 1) | 0.06 | −0.7 |
| Systolic BP (mm Hg) | 149 (14) | 155 (10) | 7 (−11 to −2) | 0.01* | 1.0 |
| Diastolic BP (mm Hg) | 83 (11) | 85 (8) | 2 (−8 to 3.9) | 0.4 | 0.3 |
 (mL/kg/min) | 28.6 (6.2) | 30.0 (6.8) | 1.4 (−3.7 to 1.0) | 0.2 | 0.4 |
| Peak heart rate (bpm) | 147 (15) | 137 (27) | −9 (−5 to 22) | 0.1 | −0.5 |
| Peak blood lactate (mmol/L) | 7.2 (3.1) | 8.6 (3.5) | 1.4 (−3.3 to 0.4) | 0.1 | 0.5 |
| Time to exhaustion (s) | 545 (102) | 603 (102) | 58 (−114 to 2) | 0.04* | 0.7 |
| Grip strength (kg) | 40 (5) | 39 (7) | −1 (−3 to 5) | 0.7 | −0.2 |
*statistically significant difference at p<0.05.
Data are mean (SD) or mean difference (95% CI); significance determined by paired samples t test; effect size determined by Cohen's d (n=10). BMI, body mass index; BP, blood pressure; VO2peak, peak oxygen uptake.