| Value | Category | Cases | |
|---|---|---|---|
| 1 | a. Physical presence only (stopped when modality shifted to online) | 1053 | 
                                    
                                    23%
                                 | 
| 2 | b. Only online (distance learning) | 1406 | 
                                    
                                    30.7%
                                 | 
| 3 | c. Combination of in-person and online | 2115 | 
                                    
                                    46.2%
                                 | 
| Missing value | 20387 |