Relationship between each method of electronic communication and health variables of workers
| Coefficient (95% CI) | Fatigue (VAS) | Depression (VAS) | Psychological detachment | Lapse (PVT) |
| Telephone | 0.205 (−0.005 to 0.417) | 0.140 (−0.060 to 0.341) | −0.031 (−0.059 to −0.003)* | −0.008 (−0.024 to 0.008) |
| −0.030 (−0.175 to 0.111) | −0.002 (−0.142 to 0.133) | 0.003 (−0.018 to 0.023) | −0.012 (−0.018 to −0.005)* | |
| Application software with read receipts | 0.021 (−0.170 to 0.216) | −0.103 (−0.285 to 0.084) | −0.010 (−0.037 to 0.017) | 0.009 (−0.002 to 0.020) |
| Application software without read receipts | −0.027 (−0.242 to 0.183) | −0.020 (−0.226 to 0.181) | −0.003 (−0.036 to 0.030) | 0.001 (−0.016 to 0.018) |
| Video communication | 0.118 (0.003 to 0.230)* | 0.106 (−0.0001 to 0.215) | −0.014 (−0.029 to 0.001) | 0.001 (−0.005 to 0.006) |
*P<0.05. Adjusted for work style, sex, age, round-trip commute time and valence to work-related electronic communication (WREC).
PVT, Psychomotor Vigilance Test; VAS, visual analogue scale.