Table 1.
Probability distributions of behavioral indicators within four latent class patterns of violent behavior, as derived from the cross-tabulation of two dichotomous latent class variables for aggressive and non-fatal suicidal behaviors among high school students, United States, 2017, National Youth Risk Behavior Survey
| Behavioral indicators | Latent class patterns of violent behavior | |||
|---|---|---|---|---|
| No violent behaviors | Non-fatal suicidal behavior | Aggressive behavior | Combined violent behaviors | |
| Class size (N = 14,742) | 70.2% (71.6%) | 9.4% (8.4%) | 15.4% (15.5%) | 5.0% (4.6%) |
| During the past 12 months, how many times were you in a physical fight? | ||||
| 0 times | 0.957 (0.954) | 0.950 (0.955) | 0.000 (0.000) | 0.000 (0.000) |
| 1 time | 0.037 (0.041) | 0.043 (0.040) | 0.371 (0.360) | 0.325 (0.324) |
| 2 or more times | 0.005 (0.005) | 0.008 (0.005) | 0.629 (0.640) | 0.675 (0.676) |
| During the past 12 months, how many times were you in a physical fight on school property? | ||||
| 0 times | 1.000 (1.000) | 1.000 (1.000) | 0.587 (0.576) | 0.560 (0.576) |
| 1 time | 0.000 (0.000) | 0.000 (0.000) | 0.283 (0.288) | 0.250 (0.240) |
| 2 or more times | 0.000 (0.000) | 0.000 (0.000) | 0.130 (0.135) | 0.191 (0.184) |
| During the past 12 months, did you ever seriously consider attempting suicide? | ||||
| No | 0.958 (0.946) | 0.050 (0.033) | 0.955 (0.938) | 0.078 (0.055) |
| Yes | 0.042 (0.054) | 0.950 (0.967) | 0.045 (0.062) | 0.922 (0.945) |
| During the past 12 months, did you make a plan about how you would attempt suicide? | ||||
| No | 0.973 (0.970) | 0.212(0.137) | 0.970 (0.965) | 0.232 (0.176) |
| Yes | 0.027 (0.030) | 0.788 (0.863) | 0.030 (0.035) | 0.768 (0.824) |
| During the past 12 months, how many times did you actually attempt suicide? If you attempted suicide during the past 12 months, did any attempt result in an injury, poisoning, or overdose that had to be treated by a doctor or nurse? | ||||
| Did not attempt suicide | 0.994 (0.994) | 0.608 (0.555) | 0.992 (0.991) | 0.378 (0.348) |
| Non-injurious attempt | ||||
| 1 time | 0.003 (0.003) | 0.161 (0.181) | 0.002 (0.002) | 0.185 (0.199) |
| 2 or more times | 0.000 (0.001) | 0.122 (0.138) | 0.004 (0.004) | 0.200 (0.207) |
| Injurious attempt | ||||
| 1 time | 0.002 (0.002) | 0.051 (0.058) | 0.001 (0.001) | 0.065 (0.067) |
| 2 or more times | 0.000 (0.001) | 0.058 (0.068) | 0.001 (0.001) | 0.172 (0.179) |
Note. Entropy = 0.914 (0.905). Odds ratio between aggressive and non-fatal suicidal behaviors = 1.08 [95% CI: 0.88, 1.31] (2.55 [95% CI: 1.93, 3.37]). CI = confidence interval. Estimates not adjusted for covariates are shown in parentheses.