Table 4 Odds ratios (OR), 95% confidence intervals (CI) and significance levels (p) for gender, age, year of the survey and attitude towards suicide of the multiple logistic regression analysis
Variables in the equation | Dependent variable: low level of suicidality versus non suicidal | Dependent variable: high level of suicidality versus non suicidal | ||||
|---|---|---|---|---|---|---|
OR | (95% CI) | p | OR | (95% CI) | p | |
Girls vs boys (GIRLS) | 1.71 | (1.59–1.85) | <0.001 | 1.87 | (1.65–2.12) | <0.001 |
13-year-olds vs 11-year-olds (AGE13) | 1.82 | (1.66–2.00) | <0.001 | 1.63 | (1.40–1.91) | <0.001 |
15-year-olds vs 11-year-olds (AGE15) | 2.50 | (2.27–2.74) | <0.001 | 2.35 | 2.01–2.74) | <0.001 |
Survey in 1998 vs survey in 1994 (S1998) | 1.00 | (0.91–1.10) | 0.98 | 1.16 | (0.99–1.34) | 0.058 |
Survey in 2002 vs survey in 1994 (S2002) | 0.61 | (0.56–0.67) | <0.001 | 0.73 | (0.63–0.86) | <0.001 |
Approved vs not approved freedom to choose suicide (ATTITUDE) | 1.63 | (1.51–1.77) | <0.001 | 2.83 | (2.49–3.23) | <0.001 |
ATTITUDE × GIRLS | 1.03 | (0.89–1.20) | 0.69 | 1.51 | (1.17–1.93) | 0.001 |
ATTITUDE × AGE13 | 0.93 | (0.77–1.12) | 0.43 | 1.23 | (0.90–1.68) | 0.20 |
ATTITUDE × AGE15 | 0.98 | (0.81–1.18) | 0.81 | 1.28 | (0.94–1.74) | 0.12 |
ATTITUDE × 1998 | 0.90 | (0.74–1.08) | 0.24 | 1.24 | (0.92–1.68) | 0.15 |
ATTITUDE × 2002 | 0.95 | (0.79–1.14) | 0.59 | 1.00 | (0.73–1.37) | 0.98 |