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Brief screening test developed from six selected items of the Karolinska Scales of Personality |
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| KSP question answered by participants |
KSP scale containing the question |
KSP Item # |
Low vs. normal ATP production rate, Swedish subjects |
Mitochondrial vs. control groups, American subjects |
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| My heart sometimes beats hard or irregularly for no real reason. |
Somatic Anxiety |
34 |
10/14 vs. 0/7 P = 0.003 |
13/24 vs. 0/30 P = 3.7 × 10-6 |
| I often have aches in my shoulders and in the back of my neck. |
Muscular Tension |
4 |
9/14 vs. 1/7 P = 0.031 |
12/24 vs. 1/30 P = 6.7 × 10-5 |
| My body often feels stiff and tense. |
Muscular Tension |
33 |
9/14 vs. 1/7 P = 0.031 |
5/24 vs. 0/30 P = 0.013 |
| I think I must economize my energy. |
Psychasthenia |
40 |
8/14 vs. 0/7 P = 0.015 |
6/24 vs. 1/30 P = 0.025 |
| In order to get something done I have to spend more energy than most others. |
Psychasthenia |
53 |
9/14 vs. 1/7 P = 0.031 |
6/24 vs. 1/30 P = 0.025 |
| I feel easily pressured when I am urged to speed up. |
Psychasthenia |
93 |
10/14 vs. 1/7 P = 0.014 |
2/24 vs. 1/30 Non-significant (P = 0.42) |
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The numbering of items refers to the 135-items KSP questionnaire. P-values refer to chi-square or Fisher exact test values in participants answering as "Applies Completely". | ||||
Gardner and Boles BioPsychoSocial Medicine 2008 2:7 doi:10.1186/1751-0759-2-7 |
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