borderline significantp = 0.03
The influence of gender on the use of supplements was borderline significant for creatine ( p = 0.03, chi-square) and iron (0.045, Fisher’s test) when the whole groups of climbers were analyzed, and the Cochran–Mantel–Haenszel test indicates that belonging to a given level of climbers does not influenced these differences—the smallest p was greater than 0.05.