Table 5.
Satisfaction of subjects in the 2 intervention groups regarding the website educational program, according to sex and age.
| Web-site only group (n = 281) | Web-site + lesson (n = 302) | p-value | Males (n = 239) | Females (n = 344) | p-value | Age <14 (n = 275) | Age 14+ (n = 307) | p-value | |
|---|---|---|---|---|---|---|---|---|---|
| Satisfaction with the website, regarding the following features: (0 = min; 5 = max) | mean ± SDn = 80 | mean ± SDn = 89 | mean ± SDn = 71 | mean ± SDn = 98 | mean ± SDn = 47 | mean ± SDn = 122 | |||
| Clarity of language | 4.0 ± 1.1 | 4.0 ± 0.9 | 0.98 | 4.0 ± 1.2 | 4.0 ± 0.8 | 0.39 | 3.7 ± 1.3 | 4.1 ± 0.8 | 0.08 |
| Clarity of contents | 3.9 ± 1.1 | 4.1 ± 1.0 | 0.32 | 3.9 ± 1.2 | 4.1 ± 0.9 | 0.99 | 3.7 ± 1.3 | 4.1 ± 0.9 | 0.12 |
| Easy navigation | 4.0 ± 1.1 | 3.9 ± 1.0 | 0.82 | 3.9 ± 1.2 | 4.0 ± 0.9 | 0.52 | 3.7 ± 1.3 | 4.1 ± 0.9 | 0.16 |
| Web design | 3.8 ± 1.2 | 3.9 ± 1.1 | 0.42 | 3.8 ± 1.3 | 3.9 ± 1.0 | 0.86 | 3.7 ± 1.3 | 3.9 ± 1.1 | 0.53 |
| Overall satisfaction | 3.8 ± 1.1 | 4.0 ± 1.0 | 0.43 | 3.8 ± 1.2 | 4.0 ± 0.8 | 0.94 | 3.7 ± 1.2 | 4.0 ± 0.9 | 0.22 |
| On average, how long did you spend reading the website when you accessed it? | n (%) | n (%) | n (%) | n (%) | n (%) | n (%) | |||
| n = 81 | n = 104 | n = 81 | n = 104 | n = 65 | n = 120 | ||||
| Less than 1 minute | 12 (14.8) | 17 (16.3) | 17 (21.0) | 12 (11.5) | 20 (30.8) | 9 (7.5) | |||
| 2 to 4 minutes | 24 (29.6) | 23 (22.1) | 22 (27.2) | 25 (24.0) | 8 (12.3) | 39 (32.5) | |||
| 5 to 15 minutes | 37 (45.7) | 52 (50.0) | 29 (35.8) | 60 (57.7) | 26 (40.0) | 63 (52.5) | |||
| 16 minutes or more | 8 (9.9) | 12 (11.5) | 0.71 | 13 (16.0) | 7 (6.7) | 0.01 | 11 (16.9) | 9 (7.5) | <0.001 |
| What topic did you most enjoy? | n (%) | n (%) | n (%) | n (%) | n (%) | n (%) | |||
| n = 74 | n = 85 | n = 66 | n = 93 | n = 41 | n = 118 | ||||
| Immune system | 18 (24.3) | 24 (28.2) | 21 (31.8) | 21 (22.6) | 10 (24.4) | 32 (27.1) | |||
| Response against pathogen | 6 (8.1) | 11 (12.9) | 5 (7.6) | 12 (12.9) | 3 (7.3) | 14 (11.9) | |||
| Vaccines | 24 (32.4) | 24 (28.2) | 21 (31.8) | 27 (29.0) | 13 (31.7) | 35 (29.7) | |||
| Risk and protective factors for infectious disease | 10 (13.5) | 12 (14.1) | 9 (13.6) | 13 (14.0) | 7 (17.1) | 15 (12.7) | |||
| Vaccine-preventable diseases | 13 (17.6) | 10 (11.8) | 8 (12.1) | 15 (16.1) | 6 (14.6) | 17 (14.4) | |||
| Other | 3 (4.0) | 4 (4.7) | 0.81 | 2 (3.0) | 5 (5.4) | 0.66 | 2 (4.9) | 5 (4.2) | 0.95 |
| What topic would you have liked to be more discussed? (multiple answers allowed) | n yes (%) n = 75 | n yes (%) n = 82 | n yes (%) n = 64 | n yes (%) n = 93 | n yes (%) n = 40 | n yes (%) n = 117 | |||
| Vaccine mechanism of action | 14 (18.7) | 5 (6.1) | 0.02 | 8 (12.5) | 11 (11.8) | 0.90 | 10 (25.0) | 9 (7.7) | 0.004 |
| Vaccine safety | 17 (22.7) | 20 (24.4) | 0.80 | 21 (32.8) | 16 (17.2) | 0.02 | 19 (47.5) | 18 (15.4) | <0.001 |
| The body's defense mechanisms | 6 (8.0) | 7 (8.5) | 0.9 | 4 (6.2) | 9 (9.7) | 0.44 | 2 (5.0) | 11 (9.4) | 0.52 |
| Infectious diseases | 11 (14.7) | 22 (26.8) | 0.06 | 15 (23.4) | 18 (19.3) | 0.54 | 8 (20.0) | 25 (21.4) | 0.85 |
| Advice for infectious disease prevention | 20 (26.7) | 13 (15.8) | 0.10 | 12 (18.7) | 21 (22.6) | 0.56 | 4 (10.0) | 29 (24.8) | 0.048 |
| Vaccine scepticism | 19 (25.3) | 17 (20.7) | 0.49 | 10 (15.6) | 26 (28.0) | 0.07 | 6 (15.0) | 30 (25.6) | 0.17 |
| Other | 5 (6.7) | 6 (7.3) | 0.87 | 5 (7.8) | 6 (6.4) | 0.74 | 1 (2.5) | 10 (8.5) | 0.29 |
| Did your parents visit the website at least once? | n (%) | n (%) | n (%) | n (%) | n (%) | n (%) | |||
| n = 106 | n = 176 | ||||||||
| n = 137 | n = 145 | n = 122 | n = 160 | ||||||
| No | 104 (75.9) | 111 (76.5) | 96 (78.7) | 119 (74.4) | 81 (76.4) | 134 (76.1) | |||
| Yes | 33 (24.1) | 34 (23.5) | 0.90 | 26 (21.3) | 41 (25.6) | 0.40 | 25 (23.6) | 42 (23.9) | 0.96 |
| Have you discussed the website at school with your teachers? | n (%) | n (%) | n (%) | n (%) | n (%) | n (%) | |||
| n = 92 | n = 168 | ||||||||
| n = 122 | n = 138 | n = 108 | n = 152 | ||||||
| No | 97 (79.5) | 112 (81.2) | 87 (80.6) | 122 (80.3) | 68 (73.9) | 141 (83.9) | |||
| Yes | 25 (20.5) | 26 (18.8) | 0.74 | 21 (19.4) | 30 (19.7) | 0.95 | 24 (26.1) | 27 (16.1) | 0.052 |
| Which of these statements do you agree with most? | n (%) | n (%) | n (%) | n (%) | n (%) | n (%) | |||
| n = 45 | n = 118 | ||||||||
| n = 75 | n = 88 | n = 66 | n = 97 | ||||||
| I didn't like my experience with this website, and I considered it useless | 10 (13.3) | 4 (4.5) | 8 (12.1) | 6 (6.2) | 0 (0.0) | 14 (11.9) | |||
| I liked my experience with this website, but I would like to meet again with people who recommended it to me, to discuss specific questions | 11 (14.7) | 8 (9.1) | 9 (13.6) | 10 (10.3) | 2 (4.4) | 17 (14.4) | |||
| I liked my experience with this website, but I would like to discuss it further with my parents | 6 (8.0) | 19 (21.6) | 6 (9.1) | 19 (19.6) | 7 (15.6) | 18 (15.2) | |||
| I liked my experience with this website, but I would like to discuss it further with my teachers | 11 (14.7) | 13 (14.8) | 8 (12.1) | 16 (16.5) | 5 (11.1) | 19 (16.1) | |||
| I'm really satisfied with my experience with this website | 37 (49.3) | 44 (50.0) | 0.047 | 35 (53.0) | 46 (47.4) | 0.23 | 31 (68.9) | 50 (42.4) | 0.01 |