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Table.1 Baseline characteristics of high-risk occupational population with different vaccinations

From: Safety and immunogenicity of inactivated SARS-CoV-2 vaccine in high-risk occupational population: a randomized, parallel, controlled clinical trial

Characteristics

Total

(n = 809)

0–14 group

(n = 270)

0–21 group

(n = 270)

0–28 group

(n = 269)

P

Gender

    

0.449

 Male

592 (73.2)

192 (71.1)

196 (72.6)

204 (75.8)

 

 Female

217 (26.8)

78 (28.9)

74 (27.4)

65 (24.2)

 

Age (years)

    

0.229

 < 40

463 (57.2)

144 (53.3)

156 (57.8)

163 (60.6)

 

 ≥ 40

346 (42.8)

126 (46.7)

114 (42.2)

106 (39.4)

 

Education level

    

0.335

 Junior high school or lower

74 (9.1)

31 (11.5)

25 (9.3)

18 (6.7)

 

 Senior high school

37 (4.6)

10 (3.7)

12 (4.4)

15 (5.6)

 

 College or higher

698 (86.3)

229 (84.8)

233 (86.3)

236 (87.7)

 

Ethnicity

    

0.366a

 Han ethnicity

797 (98.5)

268 (99.3)

264 (97.8)

265 (98.5)

 

 Other

12 (1.5)

2 (0.7)

6 (2.2)

4(1.5)

 

Marital status

    

0.267

 Married

621 (76.8)

217 (80.4)

196 (72.6)

208 (77.3)

 

 Unmarried

165 (20.4)

47 (17.4)

66 (24.4)

52 (19.3)

 

 Divorced or widowed

23 (2.8)

6 (2.2)

8 (3.0)

9 (3.4)

 

BMI (kg/m2)

    

0.848

 < 18.5

19 (2.3)

8 (3.0)

6 (2.2)

5 (1.8)

 

 18.5–

33 3(41.2)

110 (40.7)

116 (43.0)

107 (39.8)

 

 ≥ 24

457 (56.5)

152 (56.3)

148 (54.8)

157 (58.4)

 

Influenza vaccination history

   

0.865

 No

549 (67.9)

180 (66.7)

184 (68.2)

185 (68.8)

 

 Yes

260 (32.1)

90 (33.3)

86 (31.8)

84 (31.2)

 

Occupation

    

0.991

 Public security officers

405 (50.1)

135 (50.0)

136 (50.4)

134 (49.8)

 

 Airport ground staff

404 (49.9)

135 (50.0)

134 (49.6)

135 (50.2)

 

Smoking

    

0.368

 No

545 (67.4)

190 (70.4)

181 (67.0)

174 (64.7)

 

 Yes

264 (32.6)

80 (29.6)

89 (33.0)

95 (35.3)

 

Drinking

    

0.906

 No

621 (76.8)

206 (76.3)

206 (76.3)

209 (77.7)

 

 Yes

188 (23.2)

64 (23.7)

64 (23.7)

60 (22.3)

 

Chronic diseases

    

0.978

 No

754 (93.2)

252 (93.3)

252 (93.3)

250 (92.9)

 

 Yes

55 (6.8)

18 (6.7)

18 (6.7)

19 (7.1)

 
  1. Results expressed as n (%)
  2. aFisher’s exact test