Table 2: Item factor loadings from exploratory factor analysis in the Sleep-50 (N = 220).
|
|
Factor |
Communality |
||||||||
|
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
||
|
S1 |
0.147 |
0.109 |
0.068 |
0.076 |
0.550 |
-0.096 |
-0.187 |
0.069 |
0.034 |
0.469 |
|
S2 |
0.302 |
0.340 |
0.256 |
0.149 |
0.586 |
-0.316 |
-0.453 |
-0.013 |
0.380 |
0.618 |
|
S3 |
0.168 |
0.191 |
0.097 |
0.114 |
0.930 |
-0.227 |
-0.314 |
0.004 |
0.236 |
0.848 |
|
S4 |
0.042 |
0.318 |
0.144 |
0.131 |
0.611 |
-0.338 |
-0.297 |
0.135 |
0.245 |
0.618 |
|
S5 |
0.203 |
0.238 |
0.253 |
0.211 |
0.646 |
-0.212 |
-0.428 |
0.035 |
0.241 |
0.606 |
|
S6 |
0.078 |
0.185 |
0.106 |
0.142 |
0.842 |
-0.288 |
-0.256 |
0.103 |
0.245 |
0.784 |
|
S7 |
0.180 |
0.215 |
0.096 |
0.186 |
0.849 |
-0.253 |
-0.323 |
-0.107 |
0.350 |
0.828 |
|
S8 |
0.135 |
0.185 |
0.167 |
0.138 |
0.838 |
-0.232 |
-0.395 |
-0.087 |
0.194 |
0.820 |
|
S9 |
0.300 |
0.019 |
0.941 |
0.145 |
0.193 |
-0.179 |
-0.375 |
0.106 |
0.125 |
0.911 |
|
S10 |
0.229 |
.066 |
0.915 |
0.217 |
0.179 |
-0.181 |
-0.427 |
-0.029 |
0.188 |
0.880 |
|
S11 |
0.283 |
0.095 |
0.811 |
0.161 |
0.164 |
-0.119 |
-0.394 |
-0.064 |
0.200 |
0.763 |
|
S12 |
0.261 |
0.096 |
0.883 |
0.205 |
0.117 |
-0.166 |
-0.303 |
-0.024 |
0.131 |
0.810 |
|
S13 |
0.257 |
0.011 |
0.746 |
0.135 |
0.063 |
-0.070 |
-0.256 |
-0.058 |
0.058 |
0.664 |
|
S14 |
0.228 |
0.024 |
0.785 |
0.051 |
0.087 |
-0.112 |
-0.268 |
0.114 |
0.134 |
0.717 |
|
S15 |
0.196 |
-0.026 |
0.747 |
0.174 |
0.076 |
-0.074 |
-0.263 |
-0.108 |
0.072 |
0.712 |
|
S16 |
.255 |
.034 |
0.808 |
0.169 |
0.113 |
-0.056 |
-0.293 |
0.124 |
0.116 |
0.825 |
|
S17 |
0.234 |
0.186 |
0.169 |
0.267 |
0.179 |
-0.737 |
-0.343 |
-0.140 |
0.106 |
0.746 |
|
S18 |
0.291 |
0.272 |
0.093 |
0.242 |
0.260 |
-0.847 |
-0.311 |
0.036 |
0.361 |
0.785 |
|
S19 |
0.320 |
0.215 |
0.116 |
0.227 |
0.233 |
-0.882 |
-0.360 |
0.069 |
0.268 |
0.831 |
|
S20 |
0.196 |
0.192 |
0.183 |
0.186 |
0.244 |
-0.863 |
-0.466 |
-0.153 |
0.311 |
0.803 |
|
S21 |
0.252 |
0.275 |
0.111 |
0.223 |
0.287 |
-0.907 |
-0.340 |
-0.037 |
0.369 |
0.840 |
|
S22 |
0.290 |
0.196 |
0.086 |
0.232 |
0.195 |
-0.271 |
-0.288 |
0.063 |
0.624 |
0.552 |
|
S23 |
0.245 |
0.232 |
0.304 |
0.157 |
0.297 |
-0.265 |
-0.413 |
-0.101 |
0.539 |
0.487 |
|
S24 |
0.373 |
0.323 |
0.158 |
0.252 |
0.346 |
-0.332 |
-0.431 |
-0.096 |
0.821 |
0.737 |
|
S25 |
0.344 |
0.264 |
0.195 |
0.275 |
.230 |
-0.268 |
-0.282 |
-0.096 |
0.675 |
0.600 |
|
S26 |
0.638 |
0.213 |
0.293 |
0.162 |
0.167 |
-0.421 |
-0.398 |
-0.090 |
0.395 |
0.613 |
|
S27 |
0.980 |
0.229 |
0.393 |
0.184 |
0.268 |
-0.371 |
-0.419 |
-0.031 |
0.339 |
0.799 |
|
S28 |
0.718 |
0.252 |
0.291 |
0.063 |
0.227 |
-0.261 |
-0.276 |
0.123 |
0.360 |
0.685 |
|
S29 |
0.199 |
0.268 |
0.178 |
0.321 |
0.191 |
-0.284 |
-0.551 |
0.017 |
0.351 |
0.611 |
|
S30 |
0.276 |
0.401 |
0.045 |
0.173 |
0.114 |
-0.305 |
-0.458 |
-0.045 |
0.358 |
0.529 |
|
S31 |
0.301 |
0.446 |
0.194 |
0.325 |
0.277 |
-0.454 |
-0.603 |
-0.184 |
0.303 |
0.681 |
|
S32 |
0.126 |
0.134 |
0.162 |
.863 |
0.222 |
-0.270 |
-0.301 |
0.074 |
0.403 |
0.805 |
|
S33 |
0.021 |
0.160 |
0.153 |
0.883 |
0.117 |
-0.293 |
-0.238 |
0.010 |
0.271 |
0.807 |
|
S34 |
0.030 |
0.049 |
0.151 |
0.870 |
0.160 |
-0.178 |
-0.233 |
-0.097 |
0.149 |
0.796 |
|
S35 |
0.131 |
0.035 |
0.188 |
0.830 |
0.080 |
-0.169 |
-0.225 |
-0.095 |
0.093 |
0.776 |
|
S36 |
0.233 |
0.181 |
0.195 |
0.737 |
0.188 |
-0.300 |
-0.306 |
-0.075 |
0.428 |
0.676 |
|
S37 |
0.187 |
0.926 |
0.051 |
0.098 |
0.233 |
-0.266 |
-0.158 |
-0.131 |
0.289 |
0.882 |
|
S38 |
0.200 |
0.940 |
0.049 |
0.131 |
0.266 |
-0.287 |
-0.112 |
-0.126 |
0.324 |
0.906 |
|
S39 |
0.177 |
0.882 |
.0043 |
0.088 |
0.190 |
-0.188 |
-0.065 |
0.000 |
0.225 |
0.829 |
|
S40 |
0.169 |
0.848 |
-0.004 |
0.064 |
0.174 |
-0.199 |
-0.111 |
-0.124 |
0.289 |
0.794 |
|
S41 |
0.192 |
0.890 |
0.051 |
0.096 |
0.245 |
-0.279 |
-0.175 |
-0.214 |
0.387 |
0.839 |
|
S42 |
0.061 |
0.766 |
0.093 |
0.177 |
0.191 |
-0.268 |
-0.299 |
-0.616 |
0.319 |
0.879 |
|
S43 |
0.109 |
0.783 |
0.094 |
0.169 |
0.210 |
-0.324 |
-0.326 |
-0.677 |
0.335 |
0.899 |
|
S44 |
0.275 |
0.222 |
0.312 |
0.321 |
0.507 |
-0.413 |
-0.860 |
-0.130 |
0.236 |
0.790 |
|
S45 |
0.304 |
0.138 |
0.249 |
0.265 |
0.416 |
-0.380 |
-0.816 |
-0.105 |
0.282 |
0.736 |
|
S46 |
0.401 |
0.184 |
0.321 |
0.264 |
0.328 |
-0.429 |
-0.831 |
-0.148 |
0.345 |
0.791 |
|
S47 |
0.158 |
0.099 |
0.259 |
0.195 |
0.206 |
-0.286 |
-0.568 |
-0.097 |
0.186 |
0.474 |
|
S48 |
0.291 |
0.231 |
0.317 |
0.294 |
0.317 |
-0.423 |
-0.766 |
-0.245 |
0.401 |
0.727 |
|
S49 |
0.319 |
0.176 |
0.494 |
0.255 |
0.248 |
-0.342 |
-0.690 |
0.050 |
0.313 |
0.690 |
|
S50 |
0.370 |
0.131 |
0.496 |
0.362 |
0.276 |
-0.325 |
-0.697 |
0.029 |
0.281 |
0.683 |
|
Eigenvalues |
6.884 |
7.346 |
6.001 |
4.035 |
3.152 |
2.391 |
1.495 |
1.158 |
1.287 |
|
|
% of Variance |
13.767 |
14.693 |
12.002 |
8.069 |
6.303 |
4.782 |
2.989 |
2.316 |
2.575 |
|
KMO = 0.875; Bartlett’s test of sphericity: χ2 = 9615.67, df = 1225, p < 0.001