| N |
4249 |
2141 |
249 |
322 |
445 |
306 |
120 |
166 |
500 |
|
|
N (%) |
N (%) |
N (%) |
N (%) |
N (%) |
N (%) |
N (%) |
N (%) |
N (%) |
Chi-square, p-value |
| Sex |
| Male |
1961 (46.2) |
1025 (47.9) |
104 (41.8) |
163 (50.6) |
190 (42.7) |
152 (49.7) |
57 (47.5) |
64 (38.6) |
206 (41.2) |
|
| Female |
2288 (53.8) |
1116 (52.1) |
145 (58.2) |
159 (49.4) |
262 (57.6) |
154 (50.3) |
63 (52.5) |
102 (61.4) |
294 (58.8) |
19.6, <0.01 |
| Age groups |
|
|
|
|
|
|
|
|
|
|
| 9 |
807 (19.0) |
452 (21.1) |
56 (22.5) |
63 (19.6) |
46 (10.3) |
36 (11.8) |
20 (16.7) |
21 (12.7) |
113 (22.6) |
|
| 10 |
897 (21.1) |
516 (24.1) |
46 (18.5) |
68 (21.1) |
55 (12.4) |
69 (22.5) |
22 (18.3) |
34 (20.5) |
87 (17.4) |
|
| 11 |
909 (21.4) |
516 (24.1) |
42 (16.9) |
54 (16.8) |
61 (13.7) |
69 (22.5) |
29 (24.2) |
35 (21.1) |
103 (20.6) |
|
| 12 |
789 (18.6) |
385 (18.0) |
41 (16.5) |
63 (19.6) |
78 (17.5) |
72 (23.5) |
21 (17.5) |
44 (26.5) |
85 (17.0) |
|
| 13 |
847 (19.9) |
272 (12.7) |
64 (25.7) |
74 (23.0) |
205 (46.1) |
60 (19.6) |
28 (23.3) |
32 (19.3) |
112 (22.4) |
324.4, <0.001 |
|
Mean (SD) |
Mean (SD) |
Mean (SD) |
Mean (SD) |
Mean (SD) |
Mean (SD) |
Mean (SD) |
Mean (SD) |
Mean (SD) |
F, p-value |
| Age in years |
11.0, (1.4) |
10.8 (1.3)a |
11.0 (1.5)a |
11.1 (1.5)a |
11.8 (1.4)b |
11.2 (1.3)a |
11.1 (1.4)a |
11.2 (1.3)a |
11.0 (1.5)a |
27.7, <0.001 |
|
Knowledge score (range -22 to 11)
|
4.8 (5.3) |
5.9 (4.7)a |
3.0 (5.9)b |
1.1 (6.1)c |
3.0 (5.3)b |
5.0 (5.5)a |
3.8 (5.5)b |
5.58 (4.1)a |
4.50 (4.8)b |
62.8, <0.001 |
| Personally sick concern (range 1 to 6) |
3.6 (1.6) |
3.2 (1.4)a |
3.5 (1.8)b |
4.1 (2.0)b |
4.2 (1.5)b |
4.0 (1.5)b |
3.2 (1.5)a |
3.27 (1.4)a |
4.33 (1.5)b |
53.1, <0.001 |
|
Others sick concern
(range 4 to 16)
|
10.9 (3.2) |
10.3 (2.9)a |
11.6 (3.0)b |
11.6 (3.8)b |
11.7 (3.4)b |
12.1 (2.7)b |
10.6 (2.8)a |
10.0 (2.9)a |
11.3 (3.4)b |
25.8, <0.001 |
| Concern about education (range 2 to 8) |
5.2 (2.0) |
4.7 (1.9)a |
5.8 (2.1)b |
6.7 (1.7)b |
5.8 (1.8)b |
5.2 (2.0)a |
5.2 (1.8)a |
4.94 (1.9)a |
5.6 (1.9)b |
57.1, <0.001 |
| Concern about interruptions (range 5 to 20) |
14.2 (3.4) |
13.8 (3.3)a |
15.3 (3.6)b |
16.2 (3.3)c |
14.9 (3.3)b |
13.5 (3.7)a |
14.2 (3.4)b |
13.6 (3.2)a |
14.7 (3.3)b |
28.9, <0.001 |
|
Overall concern
(range 9 to 36)
|
25.1 (5.4) |
24.1 (5.0)a |
27.0 (5.4)b |
27.8 (6.0)b |
26.5 (5.2)b |
25.6 (5.5)b |
24.8 (5.5)a |
23.56 (4.8)a |
26.0 (5.5)b |
32.8, <0.001 |