Table 4. Comparison of estimated maximum oxygen uptake levels (ml/ kg/ min) between adolescents who met and did not meet the daily step-based recommendations related to achieving at least 60 min per day of moderate-to-vigorous physical activity
Step-based index |
Cut-off point |
Not meeting |
Meeting |
Mann-Whitney U test |
RR (95% CI)a |
n |
Mdn (IQR) |
n |
Mdn (IQR) |
Z |
p |
r |
Uncensored total steps |
11,111 steps |
108 |
39.9 (7.9) |
18 |
43.8 (7.2) |
2.407 |
0.016 |
0.21 |
3.02 (1.06-8.67) |
Censored total steps |
8,606 steps |
100 |
39.4 (7.9) |
26 |
43.8 (7.2) |
2.961 |
0.003 |
0.26 |
2.50 (1.03-6.07) |
Uncensored steps/ min |
8.7 steps/ min |
93 |
39.4 (7.9) |
33 |
41.1 (8.2) |
1.487 |
0.137 |
0.13 |
1.54 (0.69-3.42) |
Censored steps/ min |
45.1 steps/ min |
86 |
39.4 (7.9) |
40 |
41.2 (9.6) |
1.896 |
0.058 |
0.17 |
2.28 (1.06-4.90) |
Min ≥ 65 steps/ min |
60 min |
108 |
39.4 (7.9) |
18 |
43.8 (6.7) |
2.977 |
0.003 |
0.27 |
4.09 (1.36-12.29) |
Steps ≥ 65 steps/ min |
5,684 steps |
106 |
39.4 (7.9) |
20 |
43.8 (6.4) |
2.984 |
0.003 |
0.27 |
3.70 (1.32-10.39) |
PC min ≥ 65 steps/ min |
4.9% |
102 |
39.9 (7.9) |
24 |
42.5 (8.9) |
1.911 |
0.056 |
0.17 |
2.08 (0.84-5.14) |
PC steps ≥ 65 steps/ min |
55.0% |
107 |
41.1 (7.9) |
19 |
43.8 (10.8) |
2.346 |
0.019 |
0.21 |
3.35 (1.18-9.51) |
Peak 1-min cadence |
124 steps |
83 |
38.5 (6.2) |
43 |
43.8 (6.9) |
4.131 |
< 0.001 |
0.37 |
3.87 (1.78-8.42) |
Peak 30-min cadence |
86 steps |
76 |
39.0 (7.9) |
50 |
41.2 (6.8) |
2.177 |
0.030 |
0.19 |
2.31 (1.11-4.79) |
Peak 60-min cadence |
72 steps |
85 |
39.4 (7.9) |
41 |
41.2 (6.1) |
1.709 |
0.088 |
0.15 |
1.83 (0.86-3.87) |
Mdn, Median; IQR, Interquartile range; r, Rosenthal’s r effect size; RR (95% CI), Risk ratio (95% confident interval); PC, Percentage.
a Healthy vs. unhealthy cardiorespiratory fitness profiles (Welk et al., 2011).