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Table 1 Sample description of study participants in the Beijing 2003 Global School-Based Survey

From: Prevalence and correlates of being bullied among in-school adolescents in Beijing: results from the 2003 Beijing Global School-Based Health Survey

Factor Total, n (%)* Male, n (%)* Female, n (%)*
Age    
≤12 274 (12.6) 125 (11.8) 142 (12.8)
13 588 (25.5) 256 (23.0) 332 (28.3)
14 788 (32.6) 373 (32.1) 415 (33.4)
15 560 (23.5) 293 (25.7) 267 (21.4)
16+ 136 (5.8) 84 (7.5) 52 (4.2)
Sex    
Male 1131 (50.5) - -
Female 1210 (49.5) - -
Loneliness    
Yes 1354 (57.2) 607 (53.6) 746 (61.2)
No 990 (42.8) 521 (46.4) 463 (38.8)
Worried    
Yes 1169 (49.3) 514 (45.4) 652 (53.4)
No 1174 (50.7) 613 (54.6) 557 (46.6)
Sad/hopeless    
Yes 442 (19.0) 222 (19.9) 217 (18.0)
No 1888 (81.0) 895 (80.1) 989 (82.0)
Had close friend    
Yes 2163 (92.4) 1044 (92.7) 1114 (92.2)
No 177 (7.6) 81 (7.3) 94 (7.8)
Smoked cigarettes    
Yes 205 (9.2) 177 (16.2) 27 (2.1)
No 2101 (90.8) 917 (83.8) 1178 (97.9)
Drank alcohol    
Yes 278 (12.9) 187 (18.1) 91 (7.8)
No 1917 (87.1) 854 (81.9) 1056 (92.2)
Ever been drunk    
Yes 184 (8.0) 132 (11.8) 52 (4.2)
No 2139 (92.0) 988 (88.2) 1144 (95.8)
Missed classes    
Yes 112 (4.9) 70 (6.3) 41 (3.5)
No 2227 (95.1) 1055 (93.7) 1166 (96.5)
Parental supervision    
Always 585 (25.3) 265 (23.7) 318 (26.8)
Not always 1752 (74.7) 858 (76.3) 889 (73.2)
Bullied    
Yes 439 (20.0) 244 (23.0) 194 (17.0)
No 1777 (80.0) 816 (77.0) 955 (83.0)
  1. *n = unweighted frequency; weighted percentages were used.