| | |
Boys (n = 772)
| |
Girls (n = 865)
|
|---|
|
Variable
|
Category
|
Member
|
Non-member
|
P-value*
|
Member
|
Non-member
|
P-value*
|
|---|
| | |
n
|
%
|
n
|
%
| |
n
|
%
|
n
|
%
| |
|---|
|
Lifetime prevalence
|
Yes
|
259
|
52.7
|
122
|
43.4
|
<0.02
|
284
|
60.3
|
246
|
62.4
|
0.520
|
| |
No
|
232
|
47.3
|
159
|
56.6
| |
187
|
39.7
|
148
|
37.6
| |
|
LBPa
|
Yes
|
138
|
28.1
|
51
|
18.1
|
0.02
|
160
|
34.0
|
143
|
36.3
|
0.475
|
| |
No
|
353
|
71.9
|
230
|
81.9
| |
311
|
66.0
|
251
|
63.7
| |
|
Frequent LBPb
|
Yes
|
30
|
6.1
|
12
|
4.3
|
0.278
|
51
|
10.8
|
44
|
11.2
|
0.874
|
| |
No
|
461
|
93.9
|
269
|
95.7
| |
420
|
89.2
|
350
|
88.8
| |
|
LBP during the last seven daysc
|
Yes
|
100
|
38.6
|
39
|
32.0
|
0.209
|
123
|
43.3
|
110
|
44.7
|
0.745
|
| |
No
|
159
|
61.4
|
83
|
68.0
| |
161
|
56.7
|
136
|
55.3
| |
- Statistically significant results are indicated in bold
- *p-value for difference between members and non-members of sports clubs
- aLBP more than once a month
- b LBP at least once a week
- cBoys n = 381, girls n = 530
