Table 3 Promax rotated factor solution of the QOLIE-15 in Sample 1.
QOLIE-15 item # | QOLIE-15 items | Factor 1 | Factor 2 | Factor 3 | Factor 4 | Factor 5 | h2 |
|---|---|---|---|---|---|---|---|
QOLIE10 | I forget things, for example an appointment or where I put an object. | 0.925 | 0.782 | ||||
QOLIE12 | I get confused and forget what I was doing. | 0.856 | 0.714 | ||||
QOLIE9 | I have difficulties remembering names of people. | 0.842 | 0.645 | ||||
QOLIE11 | I have difficulties concentrating on the things I am doing. | 0.817 | 0.755 | ||||
QOLIE8 | My mind does not work as fast as it should. | 0.587 | 0.662 | ||||
QOLIE13 | Physical condition (muscular): Aches and pains, tingling, stiffness, rapid muscle contractions, unsteady voice, increased muscle volume. | 0.852 | 0.711 | ||||
QOLIE15 | Depressed mood: Loss of interest, lack of enjoyment in hobbies, depression, waking up early, mood swings during the day. | 0.839 | 0.790 | ||||
QOLIE14 | Anxious mood: Worries, expecting the worst, a prior feeling of fear, excessive irritability. | 0.815 | 0.775 | ||||
QOLIE6 | Physical aspects of antiepileptic medication. | 0.936 | 0.835 | ||||
QOLIE7 | Mental aspects of antiepileptic medication. | 0.894 | 0.837 | ||||
QOLIE4 | Do you worry about hurting yourself during a seizure? | 0.780 | 0.630 | ||||
QOLIE5 | How worried are you about embarrassment or other social problems resulting from having a seizure during the next month? | 0.696 | 0.607 | ||||
QOLIE1 | Have you worried about having another seizure? | 0.673 | 0.559 | ||||
QOLIE3 | Trouble with driving. | 0.872 | 0.735 | ||||
QOLIE2 | Trouble with leisure time (such as hobbies, going out). | 0.835 | 0.713 | ||||
Percentage of variance explained | 39.56% | 8.74% | 8.40% | 7.93% | 7.04% |
