Table 4.

Correlation coefficients between AIS-NCA, PSQI, and GSES (Students).

	n	AIS-NCA total score	AIS-NCA sleep problems	AIS-NCA daytime functioning
PSQI	188	0.772 (p < 0.001)	0.612 (p < 0.001)	0.611 (p < 0.001)
- Subjective sleep quality	188	0.692 (p < 0.001)	0.616 (p < 0.001)	0.476 (p < 0.001)
- Sleep latency	188	0.563 (p < 0.001)	0.651 (p < 0.001)	0.233 (p = 0.001)
- Sleep duration	188	0.296 (p < 0.001)	0.144 (p = 0.049)	0.329 (p < 0.001)
- Sleep efficiency	188	−0.326 (p < 0.001)	−0.258 (p < 0.001)	−0.257 (p < 0.001)
- Sleep disturbance	188	0.591 (p < 0.001)	0.573 (p < 0.001)	0.359 (p < 0.001)
- Daytime functioning	188	0.525 (p < 0.001)	0.146 (p = 0.046)	0.695 (p < 0.001)
GSES	195	−0.389 (p < 0.001)	−0.165 (p = 0.021)	−0.457 (p < 0.001)