TABLE 1—
Prevalence Estimates (%) and the Spearman r Intercorrelations for Bullying and Suicidal Ideation: Norway, 2005–2010
| Variable | Prevalence Estimate, %a | 1 | 2 | 3 | 4 | 5 | 6 |
| 1. Bullying, 2005 | 4.3 | . . . | |||||
| 2. Bullying, 2007 | 4.6 | 0.31*** | . . . | ||||
| 3. Bullying, 2010 | 4.2 | 0.24*** | 0.24*** | . . . | |||
| 4. Suicidal ideation, 2005 | 3.9 | 0.12*** | 0.13*** | 0.10*** | . . . | ||
| 5. Suicidal ideation, 2007 | 4.9 | 0.10*** | 0.16*** | 0.06 | 0.45*** | . . . | |
| 6. Suicidal ideation, 2010 | 4.0 | 0.09*** | 0.17*** | 0.10*** | 0.35*** | 0.47*** | . . . |
a
Percentage of respondents with positive responses to the questions about bullying (“Yes, rarely,” “Yes, now and then,” “Yes, once a week,” and “Yes, several times a week”) and suicidal ideation (from “sometimes” and “very often” to “extreme”).
***P < .001 (2-tailed).