Boys (n = 772) | Girls (n = 865) | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Variables | Category | Member | Non-member | P-value* | Member | Non-member | P-value* | ||||
n | % | n | % | n | % | n | % | ||||
NSPa | Yes | 130 | 26.5 | 81 | 28.8 | 0.481 | 222 | 47.1 | 236 | 59.9 | <0.001 |
No | 361 | 73.5 | 200 | 71.2 | 249 | 52.9 | 158 | 40.1 | |||
Frequent NSPb | Yes | 19 | 3.9 | 23 | 8.2 | <0.02 | 67 | 14.2 | 104 | 26.4 | <0.001 |
No | 472 | 96.1 | 258 | 91.8 | 404 | 85.8 | 290 | 73.6 |