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. 2023 Feb 26;62(4):1809–1820. doi: 10.1007/s00394-023-03112-0

Table 4.

Associations between macronutrient intake, training load and salivary measures in elite male Gaelic football players (n = 21)

s-T s-C s-IgA
PRE IN POST PRE IN POST PRE IN POST
CHO (g/kg/day) 0.048 0.284 0.212  – 0.018 0.025 0.197  – 0.001 0.124 0.006
Protein (g/kg/day)  – 0.362 0.010 0.109  – 0.244 0.087  – 0.033  – 0.397 0.078  – 0.173
Fats (g/kg/day)  – 0.047  – 0.029  – 0.151  – 0.042 0.350 0.345  – 0.425  – 0.006 0.120
Training load (min x RPE)  – 0.041  – 0.038  – 0.166 0.107 0.096 0.121  – 0.234  – 0.089  – 0.176
IgA Flow (ml/min)  – 0.477*  – 0.630** 0.399
IgA Secretion (ug/min)  – 0.821**  – 0.830**  – 0.937**

CHO Carbohydrates, RPE Rate of Perceived Exertion, s-T salivary testosterone, s-C salivary cortisol, s-Ig Immunoglobin A

*P < 0.05

**P < 0.01

*** P < 0.001