Determinants of coaches’ intentions to provide different recommendations on sports nutrition to their athletes

Table 2 Associations among normative beliefs and subjective norm towards the recommendations to increase the consumption of foods rich in carbohydrates and proteins and to increase hydration

Normative belief	Carbohydrates			Proteins			Hydration
Normative belief	r ¹	p ²	β ³	r ¹	p ²	β ³	r ¹	p ²	β ³
Team/club physician ⁴	0.67	< 0.0001	–	0.58	0.002	–	0.84	< 0.0001	–
Colleagues coaches of the team/club ⁵	0.72	< 0.0001	0.40	0.68	< 0.0001	–	0.52	0.001	–
Parents of athletes ⁶	0.73	< 0.0001	0.51	0.72	< 0.0001	0.70	0.52	0.001	–
Team/club dietitian ⁷	0.74	< 0.0001	0.07	0.59	0.003	–	0.88	< 0.0001	–
Athletes ⁸	0.66	< 0.0001	0.03	0.73	< 0.0001	0.49	0.53	0.0009	–
Leaders of the provincial sport federation ⁹	0.64	< 0.0001	–	0.59	0.0007	–	0.57	0.002	–
Leaders of the team/club ¹⁰	0.63	< 0.0001	–	0.64	< 0.0001	–	0.56	0.001	–

¹Values are Pearson correlation coefficients
²P values related to Pearson correlations
³β coefficient from ridge regression
⁴Pearson correlation n = 26 to 29; ⁵ Pearson correlation n = 36 to 40; ⁶ Pearson correlation n = 37 to 39; ⁷ Pearson correlation n = 22 to 28; ⁸ Pearson correlation n = 35 to 39; ⁹ Pearson correlation n = 28 to 33; ¹⁰ Pearson correlation n = 32 to 38. Ridge regression: Carbohydrates n = 40; Protein n = 37; Hydration n = 37

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