Table 5 Preferences for each level of each attribute based on the latent class analysis
Attribute | Class 1 Mean (SE) | Class 2 Mean (SE) | Class 3 Mean (SE) |
|---|---|---|---|
Class probabilities | 0.44 (0.0246) | 0.38 (0.0241) | 0.18 (0.0152) |
Precautionary statement | |||
 Not suitable for consumers with allergies to peanuts or tree nuts | 0.162†(0.0453) | 0.252†(0.0964) | −0.0078 (0.0612) |
 May be present: peanuts and tree nuts | −0.116†(0.0396) | −0.109* (0.0736) | 0.294†(0.0614) |
 May contain traces of peanuts and tree nuts | 0.040 (0.0398) | −0.0042 (0.0753) | −0.032 (0.0572) |
 Manufactured in a facility that also processes peanuts and tree nuts | 0.119†(0.0447) | −0.0057 (0.0799) | −0.136†(0.0659) |
 Contains wheat, dairy, peanuts and tree nuts | −0.205†(0.0419) | −0.133* (0.0843) | −0.119†(0.0572) |
Safety statement | |||
 Does not contain soy, eggs, fish, or shellfish | 0.220†(0.0394) | 1.073†(0.0653) | −0.318†(0.0497) |
 Not included | −0.220†(0.0394) | −1.073†(0.0653) | 0.318†(0.0497) |
Use of symbols | |||
 Precautionary symbol | 0.433†(0.0502) | 0.094 (0.0959) | 0.268†(0.0625) |
 Safety symbol | −0.305†(0.0544) | −0.084 (0.1032) | −0.071 (0.0749) |
 Both precautionary and safety symbol | 0.796†(0.0608) | 1.069†(0.1316) | −0.285†(0.0823) |
 No symbols used | −0.925†(0.0594) | −1.078†(0.0861) | 0.088* (0.0691) |
Placement of information | |||
 Package front | −0.054‡ (0.0299) | −0.227†(0.0486) | −0.269†(0.0413) |
 Next to ingredients | −0.296†(0.0352) | −0.234†(0.0602) | 0.355†(0.0421) |
 Package front and next to ingredients | 0.350†(0.0318) | 0.461†(0.0621) | −0.086†(0.0406) |
Covariate parameter estimates | |||
Intercept | 0.502†(0.1968) | −0.780†(0.2105) | 0.278* (0.2254) |
Age | −0.0025 (0.0037) | 0.0225†(0.0038) | −0.020†(0.0045) |
Marital status | |||
 Single, widowed, divorced, separated | −0.058 (0.0579) | 0.130†(0.0599) | −0.072* (0.0679) |
 Married, domestic partnership | 0.058 (0.0579) | −0.130†(0.0599) | 0.072* (0.0679) |
Education | |||
 Did not complete high school | −0.091 (0.1482) | 0.309†(0.1390) | −0.218* (0.1759) |
 Completed high school and/or some college or trade | 0.058 (0.0901) | 0.112* (0.0894) | −0.169* (0.1054) |
 Completed university or professional degree | 0.033 (0.1120) | −0.420†(0.1199) | 0.388†(0.1248) |
Province | |||
 BC, AB, SA, MA | −0.064 (0.0758) | −0.138‡ (0.0793) | 0.202†(0.0869) |
 Ontario | 0.083* (0.0734) | −0.017 (0.0759) | −0.066 (0.0879) |
 Quebec, Atlantic Provinces, Yukon, Northwest Territories, Nunavut | −0.019 (0.0937) | 0.155* (0.0966) | −0.136* (0.1117) |
Number of reasons to consider allergens | |||
 No reasons | −0.158* (0.0993) | 0.091 (0.1071) | 0.067 (0.1191) |
 One reason | 0.232†(0.0959) | −0.216†(0.1059) | −0.016 (0.1206) |
 Two or more reasons | −0.074 (0.1026) | 0.125* (0.1019) | −0.051 (0.1295) |
Do you consider allergens | |||
 Yes | −0.066 (0.0745) | 0.233†(0.0790) | −0.167†(0.0893) |
 No | 0.066 (0.0745) | −0.233†(0.0790) | 0.167†(0.0893) |
Cost above $500 for groceries | |||
 $0 | −0.067 (0.0932) | −0.243†(0.0984) | 0.309†(0.1033) |
 Less than $10 | 0.027 (0.0824) | −0.064 (0.0848) | 0.037 (0.0985) |
 Between $10 and $50 | 0.062 (0.1033) | 0.223†(0.1030) | −0.285†(0.1315) |
 More than $50 | −0.023 (0.1201) | 0.084 (0.1184) | −0.061 (0.1449) |
 Log-likelihood | −7538.16 | ||
 No. of individuals | 985 | ||
 No. of observations | 15,760 | ||