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Table 1 Participants’ characteristics of the entire sample and by the level of adherence to the MD

From: Adherence to the Mediterranean Diet and its association with sustainable dietary behaviors, sociodemographic factors, and lifestyle: a cross-sectional study in US University students

Variables

Adherence to the MDa

All

Low

Medium

High

P-value

(n = 1485)

(n = 499)

(n = 695)

(n = 291)

 

KIDMED score

5.0 (3.0–7.0)

2.0 (1.0–3.0)c

5.0 (4.0–6.0)b

9.0 (8.0–9.0)a

< 0.001 §

Age (years)

21.0 (19.0–22.0)

21.0 (19.0–22.0) c

21.0 (19.0–22.0)b

21.0 (20.0–23.0) a

< 0.001 §

Gender

    

0.001 †

Men

557 (37.5)

153 (30.7)

273 (39.3)

131 (45.0)

 

Women

876 (59.0)

321 (64.3)

400 (57.6)

155 (53.3)

 

Not-binary/third gender

44 (3.0)

22 (4.4)

18 (2.6)

4 (1.4)

 

Prefer not to say

8 (0.5)

3 (0.6)

4 (0.6)

1 (0.3)

 

Geographical area of university location

    

0.354 †

Northeast

317 (21.3)

107 (21.4)

145 (20.9)

65 (22.3)

 

Midwest

316 (21.3)

105 (21.0)

138 (19.9)

73 (25.1)

 

South

598 (40.3)

195 (39.1)

299 (43.0)

104 (35.7)

 

West

254 (17.1)

92 (18.4)

113 (16.3)

49 (16.8)

 

Geographical area of origin

    

0.310 †

Northeast

308 (20.7)

106 (21.2)

136 (19.6)

66 (22.7)

 

Midwest

327 (22.0)

110 (22.0)

145 (20.9)

72 (24.7)

 

South

599 (40.3)

192 (38.5)

303 (43.6)

104 (35.7)

 

West

251 (16.9)

91 (18.2)

111 (16.0)

49 (16.8)

 

Academic status

    

< 0.001 †

Undergraduate student

989 (66.6)

391 (78.4)

431 (62.0)

167 (57.4)

 

Graduate student

483 (32.5)

105 (21.0)

256 (36.8)

122 (41.9)

 

Other (college students)

13 (0.9)

3 (0.6)

8 (1.2)

2 (0.7)

 

Field of study

    

< 0.001 †

Food

211 (14.2)

45 (9.0)

109 (15.7)

57 (19.6)

 

Medicine

185 (12.5)

62 (12.4)

87 (12.5)

36 (12.4)

 

Scientific-Technological

378 (25.5)

117 (23.4)

182 (26.2)

79 (27.1)

 

Human-Social

683 (46.0)

265 (53.1)

304 (43.7)

114 (39.2)

 

Other

28 (1.9)

10 (2.0)

13 (1.9)

5 (1.7)

 

Living place typology

    

0.023 †

In campus

293 (19.7)

93 (18.6)

131 (18.8)

69 (23.7)

 

Outside campus by myself

193 (13.0)

51 (10.2)

99 (14.2)

43 (14.8)

 

Outside campus with my partner

135 (9.1)

45 (9.0)

60 (8.6)

30 (10.3)

 

Outside campus with my roommates

213 (14.3)

61 (12.2)

112 (16.1)

40 (13.7)

 

Parents’ house

611 (41.1)

238 (47.7)

272 (39.1)

101 (34.7)

 

Other

40 (2.7)

11 (2.2)

21 (3.0)

8 (2.7)

 

Financial situation

    

0.017 †

Not enough to get by

99 (6.7)

45 (9.0)

45 (6.5)

9 (3.1)

 

Just enough to get by

495 (33.3)

178 (35.7)

228 (32.8)

89 (30.6)

 

Worry about money for fun and extras

610 (41.1)

188 (37.7)

286 (41.2)

136 (46.7)

 

Never have to worry about money

221 (14.9)

65 (13.0)

107 (15.4)

49 (16.8)

 

I prefer not to answer

60 (4.0)

23 (4.6)

29 (4.2)

8 (2.7)

 

MVPA recommendation

    

< 0.001 †

Not met

770 (51.9)

329 (65.9)

343 (49.4)

98 (33.7)

 

Met

715 (48.1)

170 (34.1)

352 (50.6)

193 (66.3)

 

Attendance at the university canteen in the last 6 months

    

< 0.001 †

Never/rarely

444 (29.9)

207 (41.5)

196 (28.2)

41 (14.1)

 

< 1 time/week

215 (14.5)

62 (12.4)

113 (16.3)

40 (13.7)

 

1–2 times/week

271 (18.2)

66 (13.2)

148 (21.3)

57 (19.6)

 

3–4 times/week

279 (18.8)

80 (16.0)

138 (19.9)

61 (21.0)

 

5–6 times/week

132 (8.9)

31 (6.2)

51 (7.3)

50 (17.2)

 

Once per day or more

144 (9.7)

53 (10.6)

49 (7.1)

42 (14.4)

 

Pregnancy or breastfeeding

    

0.690 †

Yes

26 (1.8)

10 (2.0)

10 (1.4)

6 (2.1)

 

No

1459 (98.2)

489 (98.0)

685 (98.6)

285 (97.9)

 

Presence of pathologies, food intolerances or allergies

    

0.857 †

Yes

525 (35.4)

178 (35.7)

241 (34.7)

106 (36.4)

 

No

960 (64.6)

321 (64.3)

454 (65.3)

185 (63.6)

 
  1. Data are presented as the median (IQR) for continuous variables and as number (%) for categorical variables. a Low total score ≤ 3 points; medium total score 4–7 points; high total score ≥ 8 points. § Nonparametric Kruskal-Wallis H test for independent sample with Bonferroni post hoc test. Different letters in the same line denote significant differences among adherence to MD groups. † Person Chi-square test. MVPA: Moderate to Vigorous Physical Activity