Is there an association between total physical activity level and VO2max among fitness club members? A cross-sectional study

Table 2 Comparison of PA level and VO2max (mL kg⁻¹ min⁻¹) between men and women

	Men n = 62	Women n = 63	p value
Total physical activity level
Accelerometer recordings
Days with valid recording	6.3 ± 1.3	6.4 ± 1.9	0.72
Mean daily wear time (hours)	13.7 ± 1.3	13.85 ± 0.9	0.51
Total PA (cpm)	352.4 ± 123.4	361.4 ± 103.8	0.65
MVPA (min)	260.0 ± 132.6	273.2 ± 137.0	0.58
≥ 150 min of moderate PA/weekly	44 (66.1%)	50 (79.4%)	0.09
≥ 75 min of vigorous PA/weekly	7 (11.3%)	7 (11.1%)	0.98
VO_2max assessment
Maximal exercise test using the stepwise Balke protocol
VO_2max (mL kg⁻¹ min⁻¹)	40.5 ± 7.2	35.1 ± 6.0	< 0.01
> Reference values for age group	15 (24%)	25 (39.7%)	0.06
Time to exhaustion	10.4 ± 1.50	9.0 ± 1.19	< 0.01
Maximal heart rate	182.50 ± 15.1	176.3 ± 25.7	0.10
Borg scale (1–20)	19.3 ± 0.6	19.1 ± 0.7	0.20
RER	1.38 ± 0.1	1.36 ± 0.1	0.21

Data are presented as mean (SD) for continuous variables and n (%) for categorical variables. The p-values shows sex differences. Cpm,counts per minute. MVPA, moderate-to-vigorous physical activity, PA, physical activity, VO_2max, Maximal oxygen uptake, RER, respiratory exchange ratio

ISSN: 2052-1847