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Table 2 Effects of options, cost-benefit perceptions, and participation advice on intention to use a health recommendation system a

From: Consumers’ intention to use health recommendation systems to receive personalized nutrition advice

Cost-benefits   Options model Cost-benefits model Mediation test model
Effort    0.00 0.00
Privacy risk    −0.20** −0.20**
Usefulness    0.30** 0.30**
Enjoyment    0.46** 0.46**
Impact of participation advice on the effect of usefulness    0.13** 0.13**
Impact of participation advice on the effect of enjoyment    −0.10* −0.09
Recommendation system options Domain    
Recommendation content: Base = Ingredients Information system    
Product groups   0.07   −0.04
Product brands   −0.11   −0.05
Recommendation production: Base = Commercial food company Information system    
Insurance company   −0.20**   −0.04
Governmental nutritional center   −0.03   −0.03
Data handling: Base = Fully anonymous Information system    
Shared with general practitioner   −0.01   −0.04
Available to commercial food company   −0.16**   −0.07*
Evaluation: Base = No feedback Information system    
Optional feedback   0.14*   −0.02
Obligatory feedback   0.13*   0.02
Communication: Base = Fitness club Intermediary    
Through general practitioner   0.16**   −0.05
Through hospital   0.09   −0.04
Delivery: Base = Through e-mail Intermediary    
Through general practitioner   −0.07   −0.02
Through fitness club   −0.19**   −0.03
Information sharing: Base = Blood composition Consumer activity    
DNA/genetic makeup   −0.10   −0.04
Food consumption habits   0.05   −0.03
Implementation: Base = Usual meal Consumer activity    
Addition to regular meal   0.01   0.04
Separate cooking   0.00   0.04
Model Fit   R2 = 0.38 R2 = 0.81 R2 = 0.81
  1. a Estimates of regression model with individual-specific fixed effects.
  2. *Significant at p < 0.05;.**Significant at p < 0.01.