Do calorie labels change energy purchased in a simulated online food delivery platform? A multi-arm randomised controlled trial

Luick, Madison; Bianchi, Filippo; Bain, Francis; Bandy, Lauren; Doshi, Parita; Hilliard, Darren; Leung, Jovita; Mottershaw, Abigail; Stuijfzand, Bobby; Whitwell-Mak, Jordan; Jebb, Susan A.; Harper, Hugo; Pechey, Rachel

doi:10.1186/s12966-024-01638-y

International Journal of Behavioral Nutrition and Physical Activity

Table 1 Proportion of respondents in each trial arm from demographic groups and mean energy purchased

From: Do calorie labels change energy purchased in a simulated online food delivery platform? A multi-arm randomised controlled trial

	Control	LP	LN	SP	SN	LP + Off	LP + On	LP + Sum	Total
Residence Area
Urban	31	33	32	31	32	31	32	29	31
Rural	18	17	17	18	18	19	18	18	18
Suburban	50	50	52	50	50	50	50	53	51
Time of Day
Between 5am and 11am	38	43	38	39	40	42	38	39	39
Between 11am and 4pm	27	24	28	27	26	28	27	26	27
Between 4pm and 9pm	27	24	25	26	26	23	25	26	25
Between 9pm and 5am	9	8	9	8	9	7	9	9	9
SEP Category
Low	8	6	7	7	6	7	6	6	7
High	52	53	54	54	52	54	52	53	53
Medium	40	41	39	39	42	39	42	41	40
Frequency of Ordering
Every day	2	3	2	3	3	2	2	2	2
A few times a week	17	17	16	17	16	16	17	17	17
Once a week	32	29	32	28	33	31	30	32	31
Once a month	27	31	30	31	27	30	30	30	29
Less than once a month	21	21	20	22	21	21	20	19	21
Device Used
Desktop	14	17	17	17	18	17	17	18	17
Mobile	86	83	83	83	82	83	83	82	83
Location
London	12	13	13	12	12	14	13	12	13
Midlands	18	17	20	20	18	18	18	19	18
North	27	25	25	30	27	25	24	27	26
South and East	30	31	28	26	31	32	33	30	30
Wales, Scotland & Northern Ireland	13	14	13	12	12	12	12	12	13
Income Category
Less than £30,000	54	52	54	52	52	54	52	52	53
£30,000 and over	46	48	46	48	48	46	48	48	47
Gender
Male	49	48	47	50	48	48	45	47	48
Female	50	52	52	49	51	51	53	51	51
Other gender	1	0	1	1	1	1	2	2	1
Ethnicity
White	86	85	84	86	85	86	84	86	85
Asian	6	7	7	7	7	6	8	7	7
Black	3	3	4	4	4	3	4	4	4
Mixed	4	4	4	3	4	4	4	3	3
Other	1	1	1	1	1	1	1	1	1
Education Group
Less than high school	2	1	1	2	2	2	2	2	2
High school completed	50	49	52	53	48	49	52	50	51
University degree	47	49	46	43	49	48	45	47	47
None of the above	1	1	1	1	1	1	1	1	1
Day of the Week
Sun	9	7	8	7	8	7	9	8	8
Mon	20	20	19	19	21	18	20	21	20
Tue	21	20	21	18	22	21	20	18	20
Wed	23	21	22	22	21	21	21	20	21
Thu	15	15	14	18	14	16	15	17	16
Fri	8	10	9	10	9	9	9	9	9
Sat	6	7	6	6	6	8	5	6	6
BMI Category
Underweight	3	3	3	4	5	3	3	4	4
Healthy	43	42	42	42	42	44	44	45	43
Obese	24	24	24	23	24	24	21	23	23
Overweight	30	31	30	31	30	30	31	29	30
Age Category (in years)
18 to 24	15	15	15	13	14	16	15	16	15
25 to 34	28	25	25	27	26	26	27	29	27
35 to 44	22	22	23	22	23	21	20	22	22
45 to 54	19	18	18	20	19	20	18	19	19
55 to 64	13	15	15	13	12	13	14	10	13
65 and over	3	5	4	5	5	5	4	4	4

Trial arms involve labelling by the following sizes, positions, and conditions: large and adjacent to price (LP), large and adjacent to product name (LN), small and adjacent to price (SP), small and adjacent to product name (SN), LP with a switch off filter (LP + off), LP with a switch on filter (LP + on), and LP with a summary calorie label (LP + Sum)

Back to article page

ISSN: 1479-5868

Contact us

Submission enquiries: beverly.mapua@springernature.com
General enquiries: journalsubmissions@springernature.com