Frequency and amount of WREC and working hours on working from office and working from home
| Overall | Working mostly from office | Working mostly from home | P value | |
| n (workdays from 98 participants) | 430 | 229 | 201 | |
| Frequency of WREC during non-working hours, % (n)* | ||||
| Total | 42.8 (184) | 35.4 (81) | 51.2 (103) | <0.01 |
| Telephone | 13.5 (58) | 9.2 (21) | 18.4 (37) | 0.01 |
| 25.6 (110) | 19.7 (45) | 32.3 (65) | <0.01 | |
| Application with read receipts | 22.3 (96) | 19.7 (45) | 25.4 (51) | 0.16 |
| Application without read receipts | 12.1 (52) | 8.3 (19) | 16.4 (33) | 0.01 |
| Video | 10.2 (44) | 5.7 (13) | 15.4 (31) | <0.01 |
| Amount of WREC per one time (min), mean (SD)† | ||||
| Total | 30.0 (60.4) | 19.0 (46.3) | 42.6 (71.2) | <0.01 |
| Telephone | 3.6 (12.5) | 2.7 (10.9) | 4.7 (14.1) | <0.01 |
| 9.3 (24.7) | 6.1 (19.7) | 13.0 (29.0) | <0.01 | |
| Application with read receipts | 5.9 (17.2) | 4.3 (14.8) | 7.7 (19.5) | 0.29 |
| Application without read receipts | 4.1 (15.5) | 2.5 (12.3) | 5.8 (18.3) | <0.01 |
| Video | 7.2 (27.6) | 3.5 (19.7) | 11.5 (33.9) | <0.01 |
| Working hours (hours), mean (SD)‡ | 9.8 (1.6) | 9.8 (1.6) | 9.8 (1.6) | 0.88 |
*Fisher’s exact test.
†Generalised linear mixed model analysis.
‡Linear mixed model analysis.
WREC, work-related electronic communications.