Table 2a.
Bivariate analysis of factors associated with any (once or twice, two or three times a month, once a week, or several times a week) bullying perpetration in US children in 6th–10th grades.
| Characteristic | Weighted Mean (S.E.) or Proportion (95% CI)
|
||
|---|---|---|---|
| Bully (n=5052) | Not Bully (n=8658) | P | |
|
| |||
| Male gender | 53.6 (51.8, 55.4) | 44.1 (42.8, 45.4) | <.01 |
|
| |||
| Age | 13.5 (0.1) | 13.4 (0.1) | <.01 |
|
| |||
| Race/ethnicity | <.01 | ||
| White | 61.3 (57.3, 65.3) | 61.2 (56.8, 65.6) | |
| Black | 12.8 (10.0, 15.7) | 14.9 (11.4, 18.4) | |
| Latino | 16.3 (13.7, 19.0) | 14.3 (11.9, 16.7) | |
| Asian | 3.2 (2.3, 4.1) | 4.1 (3.0, 5.1) | |
| American Indian | 2.3 (1.3, 3.2) | 2.2 (1.4, 2.9) | |
| Multiracial | 4.1 (3.4, 4.9) | 3.4 (2.9, 4.0) | |
|
| |||
| Family Affluence Scale | .06 | ||
| Low | 28.8 (26.7, 30.9) | 26.7 (24.5, 28.9) | |
| Moderate | 51.9 (50.3, 53.5) | 52.6 (50.7, 54.5) | |
| High | 19.3 (17.6, 21.0) | 20.7 (18.8, 22.6) | |
|
| |||
| Bullied by another student (past couple of months) | <.01 | ||
| Never | 57.0 (55.2, 58.7) | 75.8 (74.5, 77.2) | |
| Once or twice | 26.2 (24.5, 27.8) | 15.4 (14.4, 16.4) | |
| Two or three times per month | 6.6 (5.7, 7.5) | 2.9 (2.5, 3.3) | |
| About once a week | 4.1 (3.4, 4.9) | 2.2 (1.9, 2.6) | |
| Several times per week | 6.1 (5.3, 6.9) | 3.6 (3.1, 4.0) | |
|
| |||
| Felt “low” in past six months | <.01 | ||
| About every day | 11.5 (10.5, 12.5) | 7.6 (6.8, 8.3) | |
| More than once a week | 11.3 (10.1, 12.5) | 8.6 (7.7, 9.4) | |
| About every week | 12.3 (11.2, 13.4) | 9.5 (8.7, 10.2) | |
| About every month | 22.1 (20.5, 23.7) | 19.4 (18.2, 20.5) | |
| Rarely or never | 42.8 (41.0, 44.5) | 55.0 (53.3, 56.6) | |
|
| |||
| Felt irritable or bad tempered in past six months | <.01 | ||
| About every day | 17.0 (15.5, 18.5) | 10.0 (9.1, 10.9) | |
| More than once a week | 16.2 (15.0, 17.4) | 10.7 (9.7, 11.6) | |
| About every week | 19.4 (17.9, 20.8) | 15.1 (14.0, 16.1) | |
| About every month | 24.1 (22.4, 25.9) | 25.6 (24.4, 26.8) | |
| Rarely or never | 23.3 (21.6, 25.1) | 38.7 (37.1, 40.3) | |
|
| |||
| Times in a fight in past 12 months | <.01 | ||
| None | 47.1 (45.1, 49.2) | 72.1 (70.6, 73.7) | |
| One or more times | 52.9 (50.8, 54.9) | 27.9 (26.3, 29.4) | |
|
| |||
| Times carried a weapon in last 30 days | <.01 | ||
| None | 74.3 (72.3, 76.3) | 90.2 (89.1, 91.3) | |
| One or more times | 25.7 (23.7, 27.7) | 9.8 (8.7, 10.9) | |
|
| |||
| Current smoking | <.01 | ||
| None | 75.9 (73.6, 78.3) | 90.0 (88.7, 91.2) | |
| Less than once a week | 10.6 (9.0, 12.2) | 4.4 (3.7, 5.2) | |
| At least once a week, but not every day | 4.9 (4.1, 5.7) | 2.3 (1.9, 2.8) | |
| Every day | 8.6 (7.3, 9.9) | 3.3 (2.8, 3.8) | |
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| Other drug use (marijuana/glue/inhalant/other) | 64.4 (61.1, 67.6) | 38.6 (35.8, 41.3) | <.01 |
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| |||
| Number times a week drank alcohol | <.01 | ||
| Never | 68.5 (66.3, 70.7) | 84.0 (82.4, 85.6) | |
| Less than once a week | 16.2 (14.7, 17.7) | 8.7 (7.5, 9.9) | |
| Once a week | 5.6 (4.7, 6.4) | 3.2 (2.6, 3.7) | |
| 2–4 days a week | 3.8 (3.0, 4.5) | 1.8 (1.4, 2.2) | |
| 5–6 days a week | 1.5 (1.0, 1.9) | 0.5 (0.4, 0.7) | |
| Once a day, every day | 1.1 (0.7, 1.4) | 0.5 (0.3, 0.7) | |
| Every day, more than once | 3.4 (2.7, 4.2) | 1.3 (0.9, 1.5) | |
|
| |||
| Parental school involvement | <.01 | ||
| High | 87.8 (86.6, 88.9) | 90.7 (89.9, 91.4) | |
| Moderate | 7.7 (6.7, 8.6) | 5.7 (5.0, 6.4) | |
| Low | 4.6 (3.9, 5.3) | 3.6 (3.2, 4.1) | |
|
| |||
| Parent communication ease | <.01 | ||
| Easy | 83.5 (82.3, 84.7) | 86.2 (85.1, 87.2) | |
| Difficult | 16.5 (15.3, 17.7) | 13.8 (12.8, 14.9) | |
|
| |||
| Social isolation | <.01 | ||
| Low | 0.8 (0.5, 1.1) | 1.1 (0.8, 1.4) | |
| Moderate | 61.6 (59.5, 63.7) | 67.0 (65.5, 68.6) | |
| High | 37.6 (35.5, 39.7) | 31.9 (30.3, 33.5) | |
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| |||
| Classmate relationships | <.01 | ||
| Good | 22.5 (20.7, 24.4) | 29.5 (27.8, 31.2) | |
| Average | 37.5 (35.8, 39.2) | 40.4 (39.0, 41.7) | |
| Poor | 40.0 (37.8, 42.1) | 30.1 (37.8, 42.1) | |
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| Academic performance | <.01 | ||
| Very good | 20.8 (19.3, 22.3) | 28.6 (27.0, 30.2) | |
| Good/average | 70.7 (69.0, 72.4) | 66.7 (65.1, 68.2) | |
| Below average | 8.5 (7.4, 9.6) | 4.7 (4.2, 5.3) | |
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| School satisfaction | <.01 | ||
| High | 17.1 (15.6, 18.5) | 25.3 (23.8, 26.8) | |
| Moderate | 45.6 (43.9, 47.4) | 46.7 (45.5, 47.8) | |
| Low | 37.3 (35.3, 39.3) | 28.0 (26.5, 29.4) | |
|
| |||
| Feel safe at school | <.01 | ||
| Safe | 57.6 (55.3, 60.0) | 68.0 (65.9, 70.1) | |
| Neutral | 24.0 (22.3, 25.6) | 18.8 (17.4, 20.2) | |
| Unsafe | 18.4 (16.7, 20.1) | 13.2 (11.9, 14.5) | |