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Table 2 Participants’ demographic characteristics (% (n), unless stated otherwise)

From: Image-and-text health warning labels on alcohol and food: potential effectiveness and acceptability

MeasureAlcohol Study (n = 5528)Food Study (n = 4618)
Age (years)
 Mean (SD)47.5 (15.8)47.5 (16.1)
BMI (kg/m2)
 Mean (SD)26.3 (5.6)26.8 (6.1)
 Underweight (under 18.5)3.5 (190)3.8 (172)
 Healthy weight (18.5–24)43.2 (2337)39.6 (1782)
 Overweight (25–29)32.1 (1737)31.7 (1425)
 Obese (30–34)13.7 (744)14.6 (657)
 Severely obese (35–39)4.7 (257)6.1 (283)
 Morbidly obese (40 or more)a2.7 (148)4.0 (182)
Gender
 Male49.1 (2709)49.1 (2267)
 Female50.9 (2807)50.7 (2340)
 Other0.1 (4)0.2 (8)
Ethnicity
 White93.9 (5193)90.4 (4150)
 Mixed/Multiple Ethnic Groups1.5 (82)2.2 (99)
 Asian/Asian British2.7 (147)4.9 (223)
 Black/African/Caribbean/Black British1.2 (68)2.1 (98)
 Other ethnic group0.3 (14)0.4 (19)
Highest qualification
 None4.2 (233)5.7 (262)
 Up to 4 GCSEs13.0 (717)14.3 (656)
 5 or more GCSEs or 1 A-level (Including 5+ GCSEs15.9 (878)14.9 (683)
 2 or more A-levels18.7 (1030)19.2 (880)
 Bachelor’s degree29.4 (1618)28.1 (1293)
 Post-Graduate degree or qualification15.4 (846)14.0 (645)
 Other vocational/work-related qualifications3.3 (184)3.8 (175)
Income (per year)
 Up to £11,4998.4 (541)14.0 (645)
 £11,500 – £24,99921.3 (1138)24.5 (1130)
 £25,000 - £49,99941.8 (2237)35.3 (1628)
 £50,000 or more23.1 (1230)18.2 (841)
  1. aBMI categories based on WHO guidelines [35]