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The Perth Alexithymia Questionnaire (PAQ) was translated into a Chinese version of the questionnaire and tested for reliability and validity in adolescents.
The Chinese version of the PAQ scale was formed according to the procedures of forward translation, back translation, cultural adaptation and pre-survey. During February and April 2024, 7 975 adolescents from Shandong Province, Anhui Province, and Hunan Province were selected to test the reliability of the Chinese version of the PAQ. The item analysis was performed using the coefficient of determination and correlation coefficient methods, and the reliability and validity were assessed using confirmatory factor analysis, criterion-related validity, internal consistency reliability, and test-retest reliability. The Toronto Alexithymia Scale, the Patient Health Questionnaire and the Generalized Anxiety Disorder Scale were used as validity scales, and 1 083 adolescents were retested 4 weeks later to determine the reliability of the retest.
The results of the confirmatory factor analysis showed that the Chinese version of the PAQ scale was a 5-factor model (GFI=0.921, NFI=0.938, CFI=0.940, TLI=0.931, RMSEA=0.060). The Cronbach α coefficient for the Chinese version of the PAQ total scale was 0.953. The Cronbach α coefficients for the five subscales of Negative-Difficulty Identifying Feelings, Positive-Difficulty Identifying Feelings, Negative-Difficulty Describing Feelings, Positive-Difficulty Describing Feelings, and General-Externally Orientated Thinking were 0.821, 0.852, 0.807, 0.834 and 0.859, respectively. The retest reliability of the Chinese version of the PAQ scale was 0.762. The retest reliabilities for the five subscales of Negative-Difficulty Identifying Feelings, Positive-Difficulty Identifying Feelings, Negative-Difficulty Describing Feelings, Positive-Difficulty Describing Feelings, and General-Externally Orientated Thinking were 0.717, 0.676, 0.716, 0.709 and 0.692, respectively. The total score of the Chinese version of the PAQ scale was positively correlated with the total score of the Toronto Alexithymia Scale, depressive symptoms, and anxiety symptoms (r=0.782, 0.378, 0.369, P<0.01).
The Chinese version of the PAQ scale showed excellent psychometric properties on all measures in the adolescent population and can be used as an important tool for assessing adolescents’ alexithymia.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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