Characteristics of participants at baseline.

Data are presented with mean (SD) unless stated otherwise.
Abbreviations: HAM-D17/HAM-D6 – Hamilton depression scale with 17 or 6 Items; BDI – Beck’s Depression Inventory II; WHO-5 – World Health Organisation’s well being index; IQR – interquartile range; Buschke’s SRT – Buschke’s Selective Reminding Test; RCFT – Rey’s Complex Figure Test; VO2 max – maximal oxygen uptake; QUICKI – Quantitative insulin sensitivity index; hsCRP – high sensitive C reactive Protein.

除非另有说明，所有数据均以均值±标准差（Standard Deviation, SD）形式呈现。
缩略语说明：
HAM-D17/HAM-D6：含17项或6项条目的汉密尔顿抑郁量表（Hamilton depression scale, HAM-D17/HAM-D6）；
BDI：贝克抑郁量表第二版（Beck’s Depression Inventory II, BDI）；
WHO-5：世界卫生组织幸福指数量表（World Health Organisation’s well being index, WHO-5）；
IQR：四分位距（interquartile range, IQR）；
Buschke’s SRT：布施克选择性提醒测验（Buschke’s Selective Reminding Test, SRT）；
RCFT：雷复杂图形测验（Rey’s Complex Figure Test, RCFT）；
VO2 max：最大摄氧量（maximal oxygen uptake, VO2 max）；
QUICKI：定量胰岛素敏感性指数（Quantitative insulin sensitivity index, QUICKI）；
hsCRP：高敏C反应蛋白（high sensitive C reactive Protein, hsCRP）。