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Table 2 Sample characteristics by sponsorship condition

From: The impact of unhealthy food sponsorship vs. pro-health sponsorship models on young adults’ food preferences: a randomised controlled trial

  Total (N = 1132) Sponsorship condition Test statistic
  Non-food branding (control)
(n = 285)
Unhealthy food branding
(n = 288)
Healthier food branding
(n = 278)
Obesity prevention campaign branding
(n = 281)
Sex
 Male 47.0% 47.7% 46.5% 46.8% 47.0% χ2(3) = 0.09, p = 0.993
 Female 53.0% 52.3% 53.5% 53.2% 53.0%
Age
 Mean (SD) 21.0 (2.1) 20.8 (2.0) 21.0 (2.1) 21.0 (2.1) 21.0 (2.0) F(3) = 0.75, p = 0.520
Educational status
 Primary/secondary only 25.6% 22.5% 27.4% 25.9% 26.7% χ2(6) = 4.37, p = 0.627
 Undertaking/completed TAFE or Trade Certificate/Diploma 20.7% 22.8% 21.2% 21.2% 17.4%
 Undertaking/completed university or other Tertiary Institute degree 53.7% 54.7% 51.4% 52.9% 55.9%
SEP (area-based)a
 Low 24.6% 22.8% 25.0% 23.4% 27.4% χ2(6) = 6.66, p = 0.354
 Medium 36.7% 36.1% 33.0% 38.8% 39.1%
 High 38.6% 41.1% 42.0% 37.8% 33.5%
Parent/carer of child (< 18 years)
 Yes 13.0% 11.2% 14.6% 14.0% 12.1% χ2(3) = 1.89, p = 0.595
 No 87.0% 88.8% 85.4% 86.0% 87.9%
Body mass index (BMI) categoryb
 Healthier weight/underweight 69.8% 71.9% 66.7% 68.6% 72.3% χ2(6) = 3.68, p = 0.719
 Overweight 20.0% 18.2% 23.8% 19.5% 18.4%
 Obese 10.1% 9.9% 9.5% 11.9% 9.2%
Frequency of consuming unhealthy food sponsor brand
 Every day / A few times a week 15.0% 14.7% 16.0% 16.2% 13.2% χ2(9) = 3.22, p = 0.955
 A few times a month 29.5% 29.5% 30.9% 27.3% 30.2%
 A few times a year 36.6% 36.5% 36.8% 36.7% 36.3%
 Never 18.9% 19.3% 16.3% 19.8% 20.3%
Frequency of consuming healthier food sponsor brand
 Every day / A few times a week 15.7% 10.9% 16.7% 19.4% 16.0% χ2(9) = 8.97, p = 0.440
 A few times a month 25.2% 27.0% 24.0% 24.5% 25.3%
 A few times a year 29.4% 30.9% 28.1% 28.4% 30.2%
 Never 29.7% 31.2% 31.3% 27.7% 28.5%
Frequency of engagement with media coverage of sport
 Daily 33.0% 32.6% 34.0% 29.5% 35.6% χ2(9) = 6.75, p = 0.663
 At least weekly 35.5% 34.4% 35.8% 34.9% 37.0%
 At least monthly 11.4% 12.6% 10.1% 14.0% 8.9%
 Less often than monthly 20.1% 20.4% 20.1% 21.6% 18.5%
  1. Percentages may not sum to 100% due to rounding
  2. aSEP was determined according to the Australian Bureau of Statistic’s Index of Relative Socio-Economic Disadvantage ranking for Australia using participant’s residential postcode
  3. bBMI information is missing for 303 participants as they did not self-report their height and/or weight