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Table 3 Effects of sex, age, race distance, running experience and racing experience on supplement intake

From: Supplement intake in half-marathon, (ultra-)marathon and 10-km runners – results from the NURMI study (Step 2)

  CHO/Protein Minerals Vitamins
  Fit CI p Fit CI p Fit CI p
Sex Female 0.15 [0.08, 0.28] 0.468 0.39 [0.26, 0.53] 0.280 0.40 [0.27, 0.55] 0.719
Male 0.21 [0.12, 0.33] 0.28 [0.18, 0.42] 0.44 [0.31, 0.57]
Age (y) 20 0.29 [0.08, 0.65] 0.424 0.16 [0.04, 0.43] 0.140 0.30 [0.10, 0.62] 0.402
30 0.23 [0.11, 0.43] 0.22 [0.11, 0.41] 0.35 [0.19, 0.55]
40 0.19 [0.12, 0.28] 0.31 [0.22, 0.41] 0.41 [0.31, 0.51]
50 0.15 [0.08, 0.27] 0.41 [0.28, 0.55] 0.47 [0.33, 0.61]
70 0.09 [0.01, 0.43] 0.62 [0.24, 0.89] 0.59 [0.22, 0.88]
Race Distance 10 km 0.17 [0.06, 0.38] 0.742 0.33 [0.16, 0.56] 0.954 0.55 [0.34, 0.75] 0.380
HM 0.22 [0.12, 0.37] 0.31 [0.19, 0.47] 0.42 [0.28, 0.58]
M/UM 0.16 [0.05, 0.45] 0.34 [0.22, 0.49] 0.36 [0.23, 0.51]
Running Experience Low 0.17 [0.12, 0.29] 0.901 0.49 [0.23, 0.76] 0.451 0.48 [0.22, 0.75] 0.776
Medium 0.19 [0.12, 0.30] 0.32 [0.22, 0.44] 0.43 [0.32, 0.55]
High 0.15 [0.03, 0.49] 0.21 [0.07, 0.49] 0.32 [0.12, 0.63]
Racing Experience Low 0.15 [0.08, 0.27] 0.686 0.27 [0.17, 0.40] 0.195 0.36 [0.24, 0.49] 0.230
Medium 0.21 [0.10, 0.40] 0.36 [0.21, 0.54] 0.46 [0.29, 0.65]
High 0.25 [0.08, 0.54] 0.55 [0.28, 0.79] 0.63 [0.35, 0.84]
  1. CHO carbohydrates. 10 km 10-kilometers; HM half-marathon; M/UM marathon/ultra-marathon; CI mean effect size with 95%-CI, upper and lower boundaries; p p-value