Table 1 A Comparison of baseline characteristics of the participant
|  | BBIBP-CorV n = 242 | RCP n = 241 | Total n = 483 |
|---|---|---|---|
Sex, n (%) | |||
 Male | 162 (66.9) | 167 (69.3) | 329 (68.1) |
 Female | 80 (33.1) | 74 (30.7) | 154 (31.9) |
Age, years | |||
 Mean (SD) | 51.94 (14.5) | 51.95 (13.3) | 51.94 (13.9) |
Age group, n (%) | |||
 18–28 | 12 (5.0) | 15 (6.2) | 27 (5.6) |
 28–38 | 37 (15.3) | 30 (12.5) | 67 (13.9) |
 38–48 | 44 (18.2) | 40 (16.6) | 84 (17.4) |
 48–58 | 63 (26.0) | 69 (28.6) | 132 (27.3) |
 58–68 | 70 (28.9) | 69 (28.6) | 139 (28.8) |
 > 68 | 15 (6.2) | 18 (7.5) | 33 (6.8) |
Body mass index | |||
 Mean (SD) | 27.09 (4.0) | 27.42 (4.3) | 27.25 (4.2) |
Education, n (%) | |||
 No formal education | 26 (10.7) | 17 (7.1) | 43 (8.9) |
 Up to diploma | 62 (25.6) | 72 (29.9) | 134 (27.7) |
 Diploma | 58 (24.0) | 69 (28.6) | 127 (26.3) |
 Diploma plus | 26 (10.7) | 11 (4.6) | 37 (7.7) |
 Bachelor | 44 (18.2) | 47 (19.5) | 91 (18.8) |
 Master | 23 (9.5) | 15 (6.2) | 38 (7.9) |
 Doctoral and above | 3 (1.2) | 10 (4.2) | 13 (2.7) |
Comorbidities n (%) | |||
 Hypertension | 36 (14.9) | 38 (15.8) | 74 (15.3) |
 Chronic heart diseases | 5 (2.1) | 5 (2.1) | 10 (2.1) |
 Chronic non-asthma lung diseases | 0 (0.0) | 2 (0.8) | 2 (0.4) |
 Asthma | 4 (1.7) | 3 (1.2) | 7 (1.5) |
 Chronic kidney diseases | 1 (0.4) | 0 (0.0) | 1 (0.2) |
 Moderate or severe liver diseases | 1 (0.4) | 1 (0.4) | 2 (0.4) |
 Mild liver diseases (fatty liver) | 10 (4.1) | 13 (5.4) | 23 (4.8) |
 Chronic neurological diseases | 3 (1.2) | 4 (1.7) | 7 (1.5) |
 Diabetes | 21 (8.7) | 25 (10.4) | 46 (9.5) |
 Diabetes with complications | 0 (0.0) | 1 (0.4) | 1 (0.2) |
 Chronic blood diseases | 0 (0.0) | 1 (0.4) | 1 (0.2) |
 Rheumatic diseases | 1 (0.4) | 0 (0.0) | 1 (0.2) |
 Dementia | 0 (0.0) | 0 (0.0) | 0 (0.0) |