Table 1.

Explanation of the TRE category

Type of TRE	Abbreviation	Definition
Eating time < 6 h	< 6	①eating only between 15:00 and 18:00; ② restricted their daily eating duration by 3 h.
Eating time = 6 h	18:6	① eating only between 13:00 and 19:00; ②eating between 8:00 and 14:00.
Eating time = 8 h	16:8	① eating between 7:00 and 15:00; ② eating between 8:00 and 16:00; ③ eating between 10:00 and 18:00; ④ eating between 12:00 and 20:00; ⑤ eating between 11:00 and 20:00, there should be no more than 8 h of eating.
Eating time = 10 h	14:10	① eat only during a window of 10 h, starting within 3 h of waking; ② eating between 10:00 and 20:00; ③eating between 8:00 to 18:00.
Eating time = 12 h	= 12	eat only in a 12-hour window.
No TRE	Control group	Normal diet (non-TRE).