Food Standards Australia New Zealand (2008) AU NZ Online survey Online research panel AU = 1202 NZ = 800 % Who indicated that allergen information is looked for when purchasing a product for the first time % Who report food allergies as a reason for seeking label information Research consultant’s online panel Medium (online panel with unrepresentative sample but weighting was undertaken) Henderson (2003) [in place of Henderson et al. (2003) and Cooper and Warren (2005)] AU Survey FAI recruited through Anaphylaxis Australia FAI (and those who buy for FAI) N = 107 Ingredient lists with a variety of formats Changes noticed in labels, perceptions of changes noticed, preferred format for declaration of allergens in ingredient list, perceptions of precautionary labelling, perceptions of current allergen labelling Sampled members of Anaphylaxis Australia Medium sample size, unrepresentative sample) Hu et al. (2007) AU In-depth interviews and focus group discussions (qualitative) Parents with an FAI N=84 What of information regarding food labels parents need Recruited through three NSW allergy clinics and through Anaphylaxis Australia Inc. Medium (unrepresentative sample, one geographic area) NFO Donovan (2003) AU NZ survey People over 18 years old main cities AU=1259 NZ=681 Show with images of food products % Who use allergen declarations Clarity of allergen declarations % Who think precautionary labelling is useful Random drawing of start points for interviewing High (large sample, only sampled in major cities but sampling method used was fairly robust except for this)
NFO Donovan (2004) AU NZ Mail survey Joint/main grocery buyers who have the most serious food allergy in their household or who have an FAI child AU = 416 NZ = 97 Use of labels, interpretation of labels, changes in labels noticed, suggested improvements in labels, problems experienced in using labels, perceptions of labels Respondents contacted through based allergy clinics, private clinics and allergy support groups. In addition a free call number was set up to allow people to self-select into the sample. Medium (large but unrepresentative sample) Population Research Laboratory (2009) AU Online survey Randomly selected national panel of participants N=1435 Proportion of respondents looking for allergens in ingredient lists Proportion of respondents looking for nut-free, lactose-free, gluten-free labelling Sampled from a randomly selected national panel that is recruited via telephone. Medium (online panel used which is established using a representative CATI method, did not examine understanding) Swain (2006) AU Survey Parents and children recruited through an allergy clinic N=94 Commercially available food products Time to categorise the food as free or not free of target allergen Respondents were sampled from the Prince Alfred Hospital Allergy Clinic Low (small sample size, unrepresentative sample, little information provided on sample, not clear whether differences are statistically significant, little information provided on methods)
TNS Social Research (2009) AU NZ Mail and online Survey grocery buyers who have the most serious food allergy in their household or who have an FAI child AU = 893 NZ = 135 Ingredient lists Use of labels, interpretation of labels, changes in labels noticed, suggested improvements in labels, problems experienced in using labels, perceptions of labels Respondents contacted through based allergy clinics, private clinics and allergy support groups Medium (large but unrepresentative sample) Zurzolo et al. (2013) AU Survey Parents of FAI children recruited through an allergy clinic N = 246 Which parts of labels are used to identify allergens (ingredient list, or precautionary labelling) Ease of understanding and using the ingredient list Whether respondents purchase a food with precautionary labelling How frequently respondents use precautionary labelling Trust in precautionary labelling Whether respondents feel that there should be more government regulation of precautionary labelling How respondents interpret precautionary labelling Parents of children with a medically diagnosed food allergy who attended the Department of Allergy and Immunology at the Royal Children’s Hospital were recruited. A consecutive series of 497 parents were asked to participate. Medium (unrepresentative sample, one geographic location)