Table 2.

Medians [25th −75th percentiles] of energy, nutrients intakes and sustainability variables of the choices in C1 (n = 798), C2 (n = 228) and C3 (n = 201).

Variables	C1	C2	C3	p value∗
	Median [25th −75th percentiles]
Energy (kcal/tray)	854 [687–1017]	900 [712–1076]	646 [506–856]	0.0001
Protein (g)	45.7 [34.8–56.4]	37.5 [29.7–48.0]	32.4 [24.0–40.8]	0.0001
Protein (%E)	21 [18–25]	17 [13–21]	19 [16–24]	0.0001
Lipids (g)	29.9 [22.1–41.3]	37.7 [27.9–49.9]	25.4 [17.2–35.5]	0.0001
Lipids (%E)	32 [26–40]	40 [32–47]	34 [28–40]	0.0001
Carbohydrates (g)	103.0 [79.5–125.6]	93.1 [69.7–121.6]	78.0 [57.6–102.5]	0.0001
Carbohydrates (%E)	44 [38–52]	39 [32–47]	44 [38–50]	0.0001
Sugars (g)	26.7 [20.2–36.4]	25.1 [18.3–34.9]	22.3 [15.2–29.9]	0.0001
Sugars (%E)	12 [9–16]	11 [8–13]	12 [8–17]	0.0001
Fibre (g)	9.9 [7.3–13.1]	10.1 [7.9–13.4]	8.5 [6.8–11.3]	0.0002
Fibre (%E)	2 [2-3]	2 [2-3]	3 [2–4]	0.0001
SFA (g)	7.5 [5.2–12.2]	8.3 [6.2–14.0]	6.6 [4.6–8.8]	0.0001
SFA (%E)	8 [6–11]	9 [7–12]	10 [7–11]	0.0001
MUFA (g)	13.7 [10.1–17.6]	17.9 [13.4–23.3]	13.4 [6.8–17.8]	0.0001
MUFA (%E)	15 [11–18]	19 [16–24]	17 [12–21]	0.0001
PUFA (g)	4.7 [2.9–7.1]	6.3 [3.9–8.9]	3.3 [2.2–4.9]	0.0001
PUFA (%E)	5 [3–7]	6 [4–8]	4 [3–6]	0.0001
EPA + DHA (mg)	102 [20–246]	13 [0–116]	9 [0–16]	0.0001
CF (g CO2 eq./tray)	1338 [958–2270]	1094 [744–2139]	773 [604–1075]	0.0001
WF (L H2O/tray)	1229 [923–1792]	1220 [925–1773]	847 [633–1143]	0.0001

Notes: C1, canteen 1; C2, canteen 2; C3, canteen 3; SFA, saturated fatty acids; MUFA, monounsaturated fatty acids; PUFA, polyunsaturated fatty acids; EPA, eicosapentaenoic acid; DHA, docosahexaenoic acid; CF, carbon footprint; WF, water footprint. ∗ The Kruskal-Wallis test was used to determine whether the median values of the individual nutritional and environmental variables differed depending on the canteen. p < 0.05 was considered significant.