Table 6. Association of IES-R scores with lifestyle changes (n = 6142).

Variables	All	IES-R categories				P-value*	Rate Ratio (CI 95%)	P-value**
	n (%)
	n = 6142	Normal	Mild	Moderate	Severe
		n (%)	n (%)	n (%)	n (%)
		n = 2325	n = 1371	n = 551	n = 1895
Pay attention to mental health
Decreased	544 (8.9)	125 (5.4)	120 (8.8)	55 (10.0)	244 (12.9)	<0.001	1	<0.001
Same as before	3111 (50.7)	1483 (63.8)	675 (49.2)	240 (43.6)	713 (37.6)		0.809 (0.736–0.891)
Increased	2487 (40.5)	717 (30.8)	576 (42.0)	256 (46.5)	938 (49.5)		0.998 (0.905–1.100)
Time spent to rest
Decreased	1352 (22.0)	337 (14.5)	303 (22.1)	143 (26.0)	569 (30.0)	<0.001	1	0.039
Same as before	2102 (34.2)	1007 (43.3)	446 (32.5)	155 (28.1)	494 (26.1)		0.895 (0.816–0.982)
Increased	2688 (43.8)	981 (42.2)	622 (45.4)	253 (45.9)	832 (43.9)		0.961 (0.872–1.059)
Time spent to relax
Decreased	1472 (24.0)	364 (15.7)	326 (23.8)	154 (27.9)	628 (33.1)	<0.001	1	0.001
Same as before	2169 (35.3)	1047 (45.0)	452 (33.0)	176 (31.9)	494 (26.1)		0.846 (0.773–0.926)
Increased	2501 (40.7)	914 (39.3)	593 (43.3)	221 (40.1)	773 (40.8)		0.894 (0.812–0.984)
Time spent to exercise
Decreased	2569 (41.8)	838 (36.0)	569 (41.5)	242 (43.9)	920 (48.5)	<0.001	1	0.307
Same as before	2132 (34.7)	925 (39.8)	513 (37.4)	175 (31.8)	519 (27.4)		0.954 (0.896–1.015)
Increased	1441 (23.5)	562 (24.2)	289 (21.1)	134 (24.3)	456 (24.1)		0.967 (0.903–1.036)

Answers of “much increased” and “increased” have been merged; Answers of “decreased” and “much decreased” have been merged; IES-R: Impact of Event Scale–Revised; CI: confidence interval;

*p-value was based on Chi-square test;

** p-value was based on generalized linear model analysis.