From: Dimensionality of the Pittsburgh Sleep Quality Index in the young collegiate adults
Pittsburgh Sleep Quality Index (PSQI) components | Mean ± SD | Skewness ± SE | Kurtosis ± SE |
---|---|---|---|
PSQI component of sleep duration | 1.04 ± 0.935 | 0.566 ± 0.168 | −0.568 ± 0.335 |
PSQI component of sleep disturbances | 1.14 ± 0.527 | 0.550 ± 0.168 | 1.412 ± 0.335 |
PSQI component of sleep latency | 1.18 ± 0.947 | 0.325 ± 0.168 | −0.842 ± 0.335 |
PSQI component of daytime dysfunction | 0.88 ± 0.820 | 0.700 ± 0.168 | −0.018 ± 0.335 |
PSQI component of sleep efficiency | 0.17 ± 0.496 | 3.437 ± 0.168 | 12.871 ± 0.335 |
PSQI component of overall sleep quality | 0.99 ± 0.676 | 0.678 ± 0.168 | 1.262 ± 0.335 |
PSQI component of sleep medication | 0.08 ± 0.385 | 5.871 ± 0.168 | 37.154 ± 0.335 |
Multivariate | 59.182 ± 1.527 |