Prevalence of post-traumatic stress disorders and associated factors one month after the outbreak of the COVID-19 among the public in southwestern China: a cross-sectional study

Table 4 Comparison of prevalence of PTSD in different participant affected by COVID-19

	All participants (N = 1593)	Positive PTSD (n = 401)	Df	χ²	p value
	n(%)	n(%)	Df	χ²	p value
Non-affected	1173 (73.6)	289 (24.6)	3	22.253	<0.001
Less affected	379 (23.8)	89 (23.5)
moderately affected	32 (2.0)	17 (53.1)
Significantly affected	9 (0.6)	6 (66.7)

ISSN: 1471-244X