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Table 1 Comparison of prevalence of PTSD in different socio-demographic characteristics

From: 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

Variables

All participants

(N = 1593)

Positive PTSD

(n = 401)

Negative PTSD

(n = 1192)

df

χ2

p value

N(%)

n(%)

n(%)

Sex

 Female

976 (61.3)

222 (22.7)

754 (77.3)

1

7.878

0.005

 Male

617 (38.7)

179 (29.0)

438 (71.0)

   

Age group (years)

  < 30

749 (47.0)

221 (29.5)

528 (70.5)

3

23.076

<0.001

 30 ~ 39

479 (30.1)

119 (24.8)

360 (75.2)

   

 40 ~ 49

257 (16.1)

38 (14.8)

219 (85.2)

   

  ≥ 50

108 (6.8)

23 (21.3)

85 (78.7)

   

Education level

 Junior, middle school and below

109 (6.8)

24 (22.0)

85 (78.0)

2

9.062

0.011

 High school

199 (12.5)

34 (17.1)

165 (82.9)

   

 University-level

1285 (80.7)

343 (26.7)

942 (73.3)

   

Marital status

 Single

651 (40.9)

182 (28.0)

469 (72.0)

2

4.928

0.085

 Married/cohabiting

898 (56.4)

207 (23.1)

691 (76.9)

   

 Divorced/widowed

44 (2.8)

12 (27.3)

32 (72.7)

   

Occupational status

 Student

226 (14.2)

62 (27.4)

164 (72.6)

8

16.199

0.040

 Agriculture, forestry, fishery and animal husbandry

38 (2.4)

8 (21.1)

30 (78.9)

   

 Health care workers

251 (15.8)

83 (33.1)

168 (66.9)

   

 Police, firefighters, soldiers

35 (2.2)

12 (34.3)

23 (65.7)

   

 Accommodation, catering, entertainment, tourism

83 (5.2)

21 (25.3)

62 (74.7)

   

 Manufacturing, construction industry, transportation industry

257 (16.1)

53 (20.6)

204 (79.4)

   

 Financial industry

246 (15.4)

56 (22.8)

190 (77.2)

   

 Technical service industry

210 (13.2)

53 (25.2)

157 (74.8)

   

 Others

247 (15.5)

53 (21.5)

194 (78.5)

   

Region

 Rural

231 (14.5)

54 (23.4)

177 (76.6)

1

0.463

0.566

 Urban

1362 (85.5)

347 (25.5)

1015 (74.5)

   

Area

 Sichuan Province

966 (60.6)

226 (23.4)

740 (76.6)

3

7.114

0.068

 Chongqing City

211 (13.3)

50 (23.7)

161 (76.3)

   

 Guizhou Province

206 (12.9)

62 (30.1)

144 (69.9)

   

 Yunnan Province

210 (13.2)

63 (30.0)

147 (70.0)

   

Average income

  < 1500

89 (5.6)

26 (29.2)

63 (70.8)

4

9.143

0.058

 1500 ~ 2999

259 (16.3)

54 (20.8)

205 (79.2)

   

 3000 ~ 5999

585 (36.7)

152 (26.0)

433 (74.0)

   

 6000 ~ 8999

347 (21.8)

89 (25.6)

258 (74.4)

   

  ≥ 9000

313 (19.6)

80 (25.6)

233 (74.4)

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