Table 2.
Main sport, competition level and event characteristics of endurance athletes with (n = 137) and without (n = 64) reported exercise-associated gastrointestinal symptoms analyzed with Chi-square comparisons for categorical data.
| Main sport | Competition level | Event characteristic | Totals n | Running n, (%) | Triathlon n, (%) | Non-running sports n, (%) | Association within group (with or without Ex-GIS) and main sport χ2 (p) | Association between groups (with or without Ex-GIS) and main sport χ2 (p) | Rec,a Non-Compb n, (%) | Rec.Comp n, (%) | Comp RNIcn, (%) | Association within group (with or without Ex-GIS) and, comp level χ2 (p) | Association between groups (with or without Ex-GIS) and, comp level χ2 (p) | Single Day n, (%) | Multi-day ≥2 days n, (%) | Association within groups (with or without Ex-GIS) and, event χ2 (p) | Association between groups (with or without Ex-GIS) and, event χ2 (p) | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| With Ex-GISd | 137 | 75 (55) | 30 (22) | 32 (23) | 0.2 (0.9) | 0.6 (0.8) | 44 (32) | 51 (37) | 42 (31) | 0.1 (1) | 0.3 (0.9) | 129 (94) | 8 (6) | 0.6 (0.8) | 1.6 (0.2) | |||||||||||||||
| Without Ex-GIS | 64 | 39 (61) | 13 (20) | 12 (19) | 0.5 (0.8) | 19 (30) | 23 (36) | 22 (34) | 0.2 (1) | 57 (89) | 7 (11) | 0.8 (0.6) | ||||||||||||||||||
a
Rec, recreational.
b
Comp, Competitive.
c
CompRNI, Competitive regional, national and international.
d
Ex-GIS, exercise-associated gastrointestinal symptoms.
F, female; M, male; n, number; SD, standard deviation; p, probability; % percentage; ≥ greater than or equal to, χ2, Chi-square statistic.