Table 1.

Demographic characteristics of the participant population, n = 2,409 (n, %).

Age (y)	37.7 ±9.1	Gender
≤ 30	599 (24.9)	Male	955 (39.6)
31–40	933 (38.7)	Female	1,454 (60.4)
>40	877 (36.4)	Education
Days at work during the outbreak Period (d)	20.5 ± 16.8	High school	214 (8.9)
≤ 10	853 (35.4)	Vocational	320 (13.3)
11–29	715 (29.7)	Undergraduate	1,579 (65.5)
30–60	841(34.9)	Graduate	296 (12.3)
Weight change	0.8 ± 2.0	History of chronic diseases
N/A	365 (15.2)	Yes	346 (14.4)
weight unchanged	1,479 (61.4)	No	2,063 (85.6)
weight gained	795 (33)
weight lost	135 (5.6)