| Data file | Cases | Variables | 
|---|---|---|
| hfps_el_salvador_w1.dta El Salvador COVID-19 High Frequency Phone Surveys 2020 - Wave 1 Data | 804 | 374 | 
| hfps_el_salvador_w2.dta El Salvador COVID-19 High Frequency Phone Surveys 2020 - Wave 2 Data | 625 | 109 | 
| hfps_el_salvador_w3.dta El Salvador COVID-19 High Frequency Phone Surveys 2020 - Wave 3 Data | 604 | 296 |