Table 3.
Correlations between official data (The Global Health Observatory–World Health Organization) and Google Trends.
| Obesity | Italy–GT | Spain–GT | UK–GT | USA–GT |
|---|---|---|---|---|
| Italy–WHO | 0.848 ** | |||
| Spain–WHO | 0.659 * | |||
| UK–WHO | 0.824 ** | |||
| USA–WHO | 0.044 | |||
| Smoking | ||||
| Italy–WHO | −0.829 * | |||
| Spain–WHO | −0.943 ** | |||
| UK–WHO | 0.371 | |||
| USA–WHO | 0.486 | |||
| Alcohol | ||||
| Italy–WHO | −0.066 | |||
| Spain–WHO | −0.269 | |||
| UK–WHO | −0.622 * | |||
| USA–WHO | 0.748 ** |
Note: WHO: World Health Organization; GT: Google Trends; UK: United Kingdom; USA: United States of America. Spearman’s rank correlation coefficient was used. * p < 0.05; ** p > 0.01.