The players was in fact satisfied in the the co je xdating designated address of the one of new investigators, exactly who appeared your pre-take to standardization strategies, as demonstrated significantly more than, got observed. 17 of the bikers (9 people; 8 women) had been checked-out in the morning (initiate moments ranging from h and you will h) as well as the kept two lady was in fact checked-out after finishing up work (begin minutes h and you can h). Industry vacation taken place regarding the interior metropolitan and you can residential district–outlying aspects of Stockholm, Sweden. A detailed breakdown ones parts in addition to their limitations are included in Wahlgren and you will Schantz . Most of the users (6 girls and you will 7 men) cycle commuted out-of residential district so you’re able to internal towns (cf. Dining table step one).
The participants were instructed to cycle at their normal pace, and their HR was measured continuously. They were not able to drink during their cycle commute. The mean values of the lowest, middle and highest fifth of heart rates during each participants? cycle commuting were used to estimate the corresponding level of VO2 based on the HR-VO2 regression equations from the laboratory. These heart rate segments were determined through ordering all heart rates from the lowest to the highest, and then dividing them into segments of 1/5 of all heart rates. In each of these segments, the heart rates were normally distributed.
The brand new creating period of the years journey is synchronized into next detective prepared at the attraction, and on arrival the entire journey date are detailed. The participants were asked to ensure whether its drawn paths on the maps is drawn entirely, and in case not, people deviation throughout the to start with noted route is actually added to the brand new chart. The entire bicycling velocity try computed in accordance with the station distances counted to the standard means together with journey time (cf. Desk 1).
Mathematical analyses
Pure and you will % differences between communities about pre-aspect methodological knowledge was analyzed that have Student’s matched up t-tests and one-try t-evaluation, respectively.
The reproducibility of the paired individual data for VO2 and HR between test and retest in the laboratory was calculated as absolute and relative differences, and analyzed with Student?s paired t-test as well as coefficient of variation (CV). The CV was calculated by dividing the standard deviation of the difference between the test–retest values by v2. This value (typical error) was then divided with the average of the test–retest values and multiplied by 100 .
The HR-VO2 relations based on each individual?s paired VO2 and HR from three submaximal work rates (model 1) plus a maximal work rate (model 2), at test and retest were described by linear regression analyses and correlation coefficients (r-values). The absolute differences in y-intercepts, slopes and r-values between test and retest were evaluated with paired Student?s t-test for each model. The absolute values for the y-intercepts, slopes and r-values at test and retest were also compared between model 1 and 2 with paired Student?s t-test, and the 95% confidence intervals for the mean values were calculated.
The reproducibility of the estimated VO2, based on the regression equations from test and retest, and calculated on the basis of three levels of HR from each individual?s cycle commuting, is presented in absolute figures and absolute as well as relative differences. They were analyzed for all individuals with Student?s paired t-test, the 95% confidence intervals for the mean values and coefficient of variation (CV).
Whether the levels of estimated VO2 at test and retest, as well as the differences between test and retest, were altered between model 1 and 2 were also evaluated with Student?s paired t-test and 95% confidence intervals for the mean values. Bland-Altman plots with 95% limits of agreement in individual absolute values of estimated VO2 were graphically displayed .