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Table 3 Parallel Analysis (Monte Carlo PA) Output of the Pittsburgh Sleep Quality Index in the collegiate young adults

From: Dimensionality of the Pittsburgh Sleep Quality Index in the young collegiate adults

Number of factors

Actual eigenvalue from PCA

Random order eigenvalues (means)

Random order eigenvalues (95th percentile)

1

2.45

1.27

1.36

2

1.14

1.15

1.22

3

.91

1.07

1.12

4

.71

.99

1.04

5

.69

.92

.97

6

.59

.84

.90

7

.50

.75

.82

  1. Italic values indicate the actual Eigenvalue (1.14) for the second factor was less than the 95th percentile of the random ordered Eigenvalue (1.22)
  2. PCA principal component analysis