Table 1.
Prevalence and 95% Confidence Interval of selected variables by categories of bullying victimization (N=13,846)
| Variable | Any bullying victimization (school or cyber) N=3,429 | School bullying victimization only N=1,372 | Cyberbullying victimization only N=935 | Both types of Bullying victimization N=1,122 | Test statistics and p value |
|---|---|---|---|---|---|
| Overall Prevalence | 26.9% (25.6-28.3) | 10.7% (9.7-11.8) | 6.8% (6.2-7.5) | 9.4% (8.6-10.3) | |
| Among girls | 31.3%(29.7-32.8) | 9.2% (8.2-10.2) | 9.1% (8.3-10.0) | 12.9°% (11.9-14.1) | F (2.3, 90) = 52.6, p<.00001 |
| Among boy | 22.9%(21.4-24.7) | 12.2% (10.9-13.6) | 4.7% (3.9-5.5) | 6.1% (4.9-7.4) | |
| Age | |||||
| <=14 years old | 32.6% (29.6-35.8) | 16.6% (13.9-19.7) | 6.2%(5.0-7.6) | 9.8% (7.8-12.2) | F (8.2, 319.6)=8.1 p<.00001 |
| 15 years old | 28.7% (26.7-30.9) | 12.9% (11.1-14.9) ^ | 6.1% (5.1-7.1) | 9.8% (7.8-12.2) | |
| 16 years old | 28.1% (25.9-30.3) | 9.9% (8.7-11.4) | 6.9% (5.7-8.3) | 11.2% (9.3-13.4) | |
| 17 years old | 24.2% (22.1-26.5) | 8.4% (7.1-10.0) | 7.5% (6.4-8.9) | 8.3% (6.7-10.1) | |
| >=18 years old | 21.2% (19.1-23.6) | 7.1% (5.7-8.6) | 7.4% (6.3-8.7) | 6.8% (5.5-8.4) | |
| Race/Ethnicity | F (7.2, 281.6)=12.7 p<.0001 | ||||
| Caucasian | 30.1% (28.5-31.8) | 11.5% (10.3-12.9) | 7.1% (6.2-8.0) | 11.5% (10.3-12.9) | |
| Other | 29.1% (25.6-32.8) | 11.0% (8.5-14.1) | 9.0% (6.9-11.7) | 8.9% (6.9-11.5) | |
| Hispanic | 23.9% (21.3-26.7) | 10.4% (8.8-12.2) | 6.4% (5.4-7.5) | 7.1% (6.0-8.4) | |
| African-American Of those reporting | 16.5% (14.3-18.9) | 7.5% (5.9-9.5) | 4.9% (4.0-6.1) | 3.9% (3.0-5.2) | |
| 2-week sadness N=4,537 | 45.9% (43.8-48.0) | 14.1% (12.6-15.6) | 12.0% (10.7-13.4) | 19.8% (18.2-21.6) | F (2.6, 103.9)=19.4, p<.00001 |
| Suicidal ideation N=2,179 | 51.3% (48.8-53.9) | 15.7% (13.6-18.0) | 12.4% (10.8-14.2) | 23.2% (20.6-25.9) | F (1,39)= 16.5 p=0002 |
| Suicide plan N=1,797 | 52.1% (49.2-54.9) | 16.3% (13.9-19.1) | 11.9% (10.2-13.8) | 23.9% (21.2-26.8) | F(2.7,107)=8.7 p=0001 |
| Suicide attempt N=1,020 | 54.9% (51.0-58.7) | 13.9% (11.2-16.9) | 13.7% (11.1-16.9) | 27.3% (23.8-31.1) | F(2.7,112.7)=4.3 p=0064 |
| Attempt requiring treatment N=283 | 53.4% (45.5-61.2) | 10.9% (6.8-17.0) | 16.9% (11.5-24.2) | 25.6% (19.6-32.6) | F(2.6, 83.1)=2.9 p=.0428 |