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Table 1 Study group allocation and characteristics of participants (% (n))

From: Availability of healthier vs. less healthy food and food choice: an online experiment

Study group Equal healthier/ less healthy item availability High cognitive load 17.0% (257)
Low cognitive load 15.4% (233)
Increased healthier item availability High cognitive load 17.4% (263)
Low cognitive load 16.1% (243)
Increased less healthy item availability High cognitive load 16.8% (254)
Low cognitive load 17.2% (259)
Socioeconomic status Occupational groupa A&B 34.0% (513)
C1&C2 33.3% (503)
D&E 32.7% (493)
Highest educational qualification 1–4 GCSEs or equivalent 10.7% (162)
5+ GCSEs or equivalent 15.6% (236)
2+ A Levels or equivalent 9.3% (141)
Degree or equivalent, or higher 46.7% (704)
Prefer not to answer/ Still studying/ Foreign qualifications 17.6% (266)
Annual household income (GBP) Up to £17,499 25.8% (389)
£17,500–£29,999 24.5% (370)
£30,000–£49,999 27.0% (408)
£50,000+ 19.2% (290)
Prefer not to answer/ Don’t know 3.4% (52)
Index of Multiple Deprivation quintilesb Quintile 1: Least deprived 18.6% (281)
Quintile 2 18.6% (281)
Quintile 3 19.2% (289)
Quintile 4 18.7% (282)
Quintile 5: Most deprived 18.6% (281)
Prefer not to answer/ Postcode not recognised 6.3% (95)
Cognitive load Percentage recalling number correctly Low load 97.8% (719/735)
High load 74.4% (576/774)
Food appeal Mean enjoyment ratingsc Healthier Mean (s.d.) 0.56 (1.06)
Less healthy Mean (s.d.) 0.99 (1.09)
Response inhibition SUPPS-P Mean (s.d.) 40.8 (9.5)
Hunger Mean hunger rating Mean (s.d.) 0.33 (1.37)
  1. aA&B: Higher and intermediate managerial, administrative and professional occupations; C1&C2: Supervisory, clerical and junior managerial, administrative and professional occupations; D&E: Semi-skilled and unskilled manual occupations
  2. bQuintiles defined within sample, with IMD scores of: Least deprived: 0.98 to 8.25; 2: 8.26 to 13.73, 3: 13.77 to 20.68; 4: 20.7 to 32.75, Most deprived: 32.87 to 77.29
  3. cA rating of 0 was labelled ‘Neither enjoyable nor unenjoyable’, and 1 ‘Quite enjoyable’