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Clinical information collection

YL Ying Liang
XS Xing Shi
YS Yang Shen
ZH Zhuoran Huang
JW Jian Wang
CS Changjun Shao
YC Yanan Chu
JC Jing Chen
JY Jun Yu
YK Yu Kang
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Clinical information was collected for each subject through questionnaires, which included sex, age, medical history, body height, and weight. Information on dietary in the past month was collected for all subjects using the Food Frequency Questionnaire (FFQ) [28], adjusted to 117 items and 15 food types according to Chinese dietary habits. The questionnaire adopts a closed survey method, and each closed question provides nine answer options. Open-ended questions were added at the end of the questionnaire to gather information about other foods not listed. Daily intake of carbohydrates, protein, fat, and other nutrients content was calculated according to the standard amount consumed by food category and the total amount of food in the last month. The severity of psychiatric symptoms was reassessed using the Positive And Negative Symptom Scale (PANSS) [29] for each patient.

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