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Table 6 T values of linear multiple regression models

From: Edema-like symptoms are common in ultra-distance cyclists and driven by overdrinking, use of analgesics and female sex – a study of 919 athletes

  df Ride distance [km] Ride duration [d] Daily distance [km/d] Sex (f = 1, m = 2) BMI [kg/m2] Electrolyte intake (no = 0, yes = 1) Fluid intake [L/d] Drinking strategy Analgesic intake (no = 0, yes = 1)
ambient much thirst
Swelling symptoms (overall) 591 1.24 −.96 −.40 −5.26*** −.20 −.43 .49 −.55 2.11* −.31 4.28***
 Women 75 .72 −.20 .43   .93 1.12 −.53 −.85 −.77 −.05 1.20
 Men 504 1.11 −.99 −.51   −.50 −.76 .64 .01 2.61** −.32 3.72***
Facial swelling 593 .22 .44 .82 −3.91*** −.91 .37 .51 −.08 .73 −1.21 2.06***
 Women 75 .94 −.43 −.00   .62 1.87(*) .36 −.71 −.53 .11 .61
 Men 506 −.14 .67 .93   −.88 −.29 .20 .29 .83 −1.45 1.60
Eyelid swelling 593 1.12 −.59 .14 −3.67*** −.61 .39 −.41 .15 1.17 −1.69(*) 2.08*
 Women 75 1.06 −.56 −.12   −.44 .99 −.36 −.21 −.83 −.14 1.09
 Men 506 .80 −.41 .23   −.33 −.04 −.44 .34 1.46 −1.80(*) 1.50
Swelling of fingers/hands 593 −.14 .06 .01 −2.86** 2.04* −.44 .52 −.63 1.79(*) −1.37 2.31*
 Drinking strategy*BMI 590 −.04 .00 −.01 −2.90** .26 −.45 .63 1.35 −.05 −1.36 2.25*
 Women 72 .28 .26 −.32   .00 .52 .05 .24 −.44 −.18 .01
Men 503 .04 −.20 .04   −.08 −.45 .63 1.33 −.05 −2.03* 2.07*
Swelling of toes/feet 593 .54 −.32 −.02 −1.23 1.10 .72 −.09 −.57 1.02 −1.74 3.72***
Swelling of extremities (arms/legs) 593 .72 −.56 −.63 −2.55* −.33 .12 .85 −.92 .38 −2.03* 2.26*
 Women 75 .90 −.78 .76   1.54 −.03 −1.03 .41 −.43 −.80 .65
 Men 506 .06 .07 −.52   −1.04 .53 1.23 −1.02 .65 −1.79(*) 2.14*
Reduced urine output 593 −.64 −.04 .13 −1.32 .03 1.37 .63 .31 1.63 −.08 .99
Increased urine output 593 .60 −.01 .09 −.79 −.48 1.98* .31 −1.3 −1.23 −2.85** 1.02
Concentrated/darker urine 593 .33 −.71 −.42 .32 1.08 2.41* −.58 −2.00* .71 .59 .70
Less concentrated/lighter urine 593 −.23 .44 .63 −.76 .44 2.25* 1.04 −.54 .02 −2.43* .91
Bubbly/foamy urine 593 .86 −.64 −.39   .40 .88 .06 −.76 −.14 −1.39 .94
  1. Indented: specification of model, first column: dependent variable, second column: degrees of freedom, third column: predictors. Levels of significance: (*): marginal significance p < .10, *: p < 0.05, **: p < 0.01, ***: p < 0.001. Abbreviations: body mass index (BMI)