Table 1 Sample characteristics stratified for offline/online recruitment, n = 379
Characteristic | Offline-recruited participants (n = 156, 41.2%) | Online-recruited participants (n = 223, 58.8%) | Total (n = 379) |
|---|---|---|---|
Will test myself if friend recommends | |||
Yes | 106 (67.9) | 163 (73.1) | 269 (71.0) |
No | 19 (12.2) | 16 (7.2) | 35 (9.2) |
I do not know | 29 (18.6) | 24 (10.8) | 53 (14.0) |
Missing value | 2 (1.3) | 20 (9.0) | 22 (5.8) |
Intention request | |||
Yes/probably yes | 78 (50.0) | 109 (48.9) | 187 (49.3) |
No/probably not | 74 (47.4) | 94 (42.2) | 168 (44.3) |
Missing value | 4 (2.6) | 20 (9.0) | 24 (6.3) |
Intention 70 | |||
Yes/probably yes | 83 (53.2) | 84 (37.7) | 167 (44.1) |
No/probably not | 59 (37.8) | 117 (52.5) | 176 (46.4) |
Missing value | 14 (9.0) | 22 (9.9) | 36 (9.5) |
Country of birth | |||
Morocco | 110 (70.5) | 83 (37.2) | 193 (50.9) |
The Netherlands | 46 (29.5) | 140 (62.8) | 186 (49.1) |
Missing value | 0 (0) | 0 (0) | 0 (0) |
Moroccan-Arabic or Berber identity | |||
Arabic | 61 (39.1) | 90 (40.4) | 151 (39.8) |
Berber | 94 (60.3) | 133 (59.6) | 227 (59.9) |
Missing value | 1 (0.6) | 0 (0) | 1 (0.3) |
Gender | |||
Man | 52 (33.3) | 71 (31.8) | 123 (32.5) |
Woman | 104 (66.7) | 152 (68.2) | 256 (67.5) |
Missing value | 0 (0) | 0 (0) | 0 (0) |
Age group | |||
16–25 years | 22 (14.1) | 64 (28.7) | 86 (22.7) |
26–35 years | 16 (10.3) | 61 (27.4) | 77 (20.3) |
36–45 years | 34 (21.8) | 60 (26.9) | 94 (24.8) |
46–55 years | 35 (22.4) | 29 (13.0) | 64 (16.9) |
56–65 years | 25 (16.0) | 6 (2.7) | 31 (8.2) |
66 years and older | 12 (7.7) | 2 (0.9) | 14 (3.7) |
Missing value | 12 (7.7) | 1 (0.4) | 13 (3.4) |
Educational level | |||
No official education or primary school | 51 (32.7) | 15 (6.7) | 66 (17.4) |
Secondary school | 34 (21.8) | 41 (18.4) | 75 (19.8) |
Vocational education | 36 (23.1) | 61 (27.4) | 97 (25.6) |
Higher education | 32 (20.5) | 103 (46.2) | 135 (35.6) |
Missing value | 3 (1.9) | 3 (1.3) | 6 (1.6) |
Speaking Dutch (SR) | |||
Yes | 145 (92.9) | 221 (99.1) | 366 (96.6) |
No | 10 (6.4) | 2 (0.9) | 12 (3.2) |
Missing value | 1 (0.6) | 0 (0) | 1 (0.3) |
Knowledge on HBV | |||
No | 70 (44.9) | 82 (36.8) | 152 (40.1) |
Limited | 57 (36.5) | 105 (47.1) | 162 (42.7) |
Sufficient | 29 (18.6) | 36 (16.1) | 65 (17.2) |
Missing value | 0 (0) | 0 (0) | 0 (0) |
HBV in family or friends | |||
Yes | 43 (27.6) | 34 (15.2) | 77 (20.3) |
No | 98 (62.8) | 156 (70.0) | 254 (67.0) |
I do not know | 15 (9.6) | 33 (14.8) | 48 (12.7) |
Missing value | 0 (0) | 0 (0) | 0 (0) |
Tested for HBV (SR) | |||
Yes | 30 (19.2) | 49 (22.0) | 79 (20.8) |
No | 110 (70.5) | 149 (66.8) | 259 (68.3) |
I do not know | 15 (9.6) | 25 (11.2) | 40 (10.6) |
Missing value | 1 (0.6) | 0 (0) | 1 (0.3) |
Vaccinated against HBV (SR) | |||
Yes | 42 (26.9) | 73 (32.7) | 115 (30.3) |
No | 61 (39.1) | 47 (21.1) | 108 (28.5) |
I do not know | 53 (34.0) | 103 (46.2) | 156 (41.2) |
Missing value | 0 (0) | 0 (0) | 0 (0) |
Who invited you for the questionnaire? | |||
Family or partner | 46 (29.5) | 74 (33.2) | 120 (31.7) |
Friend, acquaintance, or workmate | 40 (25.6) | 60 (26.9) | 100 (26.4) |
Researcher of the RIVM | 32 (20.5) | 19 (8.5) | 47 (12.4) |
Via a message on a website | 0 (0) | 58 (26.0) | 58 (15.3) |
Someone else | 37 (23.7) | 10 (4.5) | 51 (13.5) |
Missing value | 1 (0.6) | 2 (0.9) | 3 (0.8) |