Table 5. The association between the knowledge about dietary supplements and trust in advertising them among the general public: Those in recent contact with advertisements and those who are not.
The values presented include Pearson’s correlation coefficient (95% confidence intervals) and p-value.
| Having recent contact with DS advertisements | Association between TiADS and | ||
|---|---|---|---|
| “general” KaDS | “specific” KaDS | KaDS total | |
| Yes | -0.29 (-0.45 to -0.11) p = 0.0023 | -0.50 (-0.63 to -0.35) p<0.0001 | -0.50 (-0.63 to -0.34) p<0.0001 |
| No | -0.22 (-0.40 to -0.02) p = 0.030 | -0.23 (-0.41 to -0.03) p = 0.025 | -0.30 (-0.47 to -0.10) p = 0.0035 |
| Interaction between the slopes* | p = 0.88 | p = 0.028 | p = 0.15 |
TiADS–trust in advertising dietary supplements
KaDS–knowledge about dietary supplements
* general linear model with KaDS as a dependent variable, and the following independent variables: TiADS, having recent contact and their two-way interaction