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Table 1 Socio-demographic characteristics of participants included in each study (N = 3382 participants overall)

From: The impact of the Nutri-Score front-of-pack nutrition label on purchasing intentions of unprocessed and processed foods: post-hoc analyses from three randomized controlled trials

 

Students

Working adults with low incomes

Subjects with chronic diseases

Total (N)

1866

336

1180

Sex, n(%)

Men

497 (26.6)

45 (13.4)

407 (34.5)

Women

1369 (73.4)

291 (86.6)

773 (65.5)

Age, years, M (SD)

20.4 ± 1.9

41.3 ± 5.9

65.0 ± 7.1

Educational level

Up to secondary education

0

56 (16.7)

0

Secondary education

0

77 (22.9)

0

Undergraduate

1118 (59.9)

138 (41.1)

328 (27.8)

Graduate studies

736 (39.5)

64 (19.0)

852 (72.2)

Others

12 (0.6)

0

0

Missing data

0

1 (0.3)

0

Grocery shopping frequency, n(%)

Always

908 (48.7)

223 (66.4)

722 (61.2)

Often

531 (28.4)

90 (26.8)

342 (29.0)

Sometimes

427 (22.9)

23 (6.8)

116 (9.8)

Online grocery shopping, yes n(%)

1286 (68.9)

135 (40.2)

821 (69.6)

Perceived nutritional knowledge, n(%)

High

141 (7.6)

25 (7.4)

98 (8.3)

Intermediate

765 (41.0)

190 (56.6)

675 (57.2)

Low

863 (46.2)

110 (32.7)

374 (31.7)

No

97 (5.2)

11 (3.3)

25 (2.1)

Missing data

0

0

8 (0.7)

Nutrition facts reading frequency, n(%)

Always

227 (12.2)

51 (15.2)

172 (14.6)

Often

662 (35.5)

157 (46.7)

607 (51.4)

Sometimes

751 (40.2)

112 (33.3)

358 (30.3)

Never

226 (12.1)

16 (4.8)

35 (3.0)

Missing data

0

0

8 (0.7)