Table 5 Significant modalities contributions to factors 1 and 2.
Variables-Modalities Contribution to factor 1 (%) Contribution to factor 2 (%)
Gender - men 3.4 * .8
Gender - female 5.1 * 1.3
Age - 20 to 30 years .4 9.4 *
Age - 40 to 50 years .0 2.0 *
Age - > 50 years .9 10.6 *
Practice frequency - weekly 4.5 * 1.1
Practice frequency more than one time per week 2.2 * .5
Supervision in physical activity experiment - school 2.7 * 3.1 *
Supervision in physical activity experiment - club 1.6 1.9 *
Main target - no target .0 2.4 *
Main target - body shape .0 3.9 *
Main target training for a sporting event 2.7 * .0
Main reason for swimming choice financial cost 1.7 * 4.2 *
Main reason for swimming choice - health benefits by swimming .0 2.8 *
Swimming session duration - unknown 6.7 * .8
Swimming session duration - from 30 to 45 min 6.6 * .0
Swimming session distance - unknown 2.4 * .0
Swimming session distance - <1000 m 5.6 * 3.4 *
Swimming session distance - from 1000 to 1500m 2.6 * 1.3
Swimming session distance - > 2000m 9.9 * .7
Swimming stroke more used - unknown 3.1 * .0
Swimming stroke more used - backstroke .8 11.8 *
Swimming stroke more used - breastroke 5.4 * .2
Swimming stroke more used - front crawl 5.6 * .2
Swimming stroke more used - arm stroke 1.2 4.5 *
Material more used no material 5.6 * .5
Material more used - pull-buoy 6.6 * .3
Material more used - paddles 2.0 * .6
Material more used - chronometer .0 2.3 *
Session training control - 4 .5 5.0 *
Training evolution during a year - identical training .0 6.7 *
Training evolution during a year - identical distance and increased intensity .0 2.3 *
Training evolution during a year - increased distance and identical intensity .5 2.7 *
represents modalities whose contribution exceeded the average contribution.