Table 4.
Logistic regression analysis in junior high and high school children
| Junior high school children | High school children | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Variables | Crude OR | 95%CI | p value | Adjusted ORa | 95%CI | p value | Crude OR | 95%CI | p value | Adjusted ORa | 95%CI | p value |
| Grade | 0.99 | 0.95–1.04 | 0.685 | 1.00 | 0.95–1.06 | 0.972 | 1.04 | 0.98–1.10 | 0.192 | 1.03 | 0.96–1.09 | 0.461 |
| Sex | 1.75 | 1.62–1.89 | < 0.001 | 1.61 | 1.47–1.77 | < 0.001 | 1.42 | 1.29–1.57 | < 0.001 | 1.67 | 1.48–1.88 | < 0.001 |
| Number of siblings | 0.95 | 0.85–1.05 | 0.311 | 1.06 | 0.93–1.20 | 0.412 | 0.76 | 0.70–0.89 | < 0.001 | 0.86 | 0.75–0.99 | < 0.05 |
| Number of friends | 1.40 | 1.36–1.44 | < 0.001 | 1.05 | 1.01–1.09 | < 0.05 | 1.31 | 1.26–1.36 | < 0.001 | 1.05 | 1.00–1.10 | < 0.05 |
| Happiness | 2.00 | 1.92–2.07 | < 0.001 | 1.51 | 1.44–1.58 | < 0.001 | 1.93 | 1.85–2.02 | < 0.001 | 1.48 | 1.40–1.57 | < 0.001 |
| Wellness | 1.74 | 1.68–1.80 | < 0.001 | 1.24 | 1.18–1.29 | < 0.001 | 1.72 | 1.64–1.79 | < 0.001 | 1.28 | 1.22–1.35 | < 0.001 |
| Loneliness | 0.51 | 0.50–0.53 | < 0.001 | 0.69 | 0.66–0.72 | < 0.001 | 0.51 | 0.49–0.53 | < 0.001 | 0.65 | 0.62–0.68 | < 0.001 |
| Talk with family | 1.41 | 1.36–1.46 | < 0.001 | 1.15 | 1.10–1.20 | < 0.001 | 1.37 | 1.31–1.43 | < 0.001 | 1.11 | 1.05–1.17 | < 0.001 |
| Experience of cyberbullying | 6.45 | 4.74–8.78 | < 0.001 | 3.05 | 2.12–4.39 | < 0.001 | 5.58 | 4.03–7.73 | < 0.001 | 3.64 | 2.51–5.30 | < 0.001 |
| Stressors about | ||||||||||||
| Relationship with friends | 3.68 | 3.39–4.00 | < 0.001 | 1.57 | 1.42–1.74 | < 0.001 | 3.05 | 2.75–3.38 | < 0.001 | 1.37 | 1.21–1.55 | < 0.001 |
| School bullying | 5.28 | 4.34–6.42 | < 0.001 | 1.88 | 1.49–2.37 | < 0.001 | 8.94 | 5.18–15.43 | < 0.001 | 2.62 | 1.40–4.90 | < 0.005 |
| Relationship with parents | 4.97 | 4.39–5.63 | < 0.001 | 2.10 | 1.81–2.44 | < 0.001 | 4.20 | 3.62–4.87 | < 0.001 | 2.12 | 1.78–2.53 | < 0.001 |
| School records | 1.79 | 1.65–1.93 | < 0.001 | 1.24 | 1.13–1.37 | < 0.001 | 1.56 | 1.43–1.71 | < 0.001 | 1.20 | 1.07–1.34 | < 0.005 |
| Relationship with opposite sex | 3.02 | 2.69–3.39 | < 0.001 | 1.82 | 1.58–2.09 | < 0.001 | 2.07 | 1.81–2.36 | < 0.001 | 1.35 | 1.15–1.59 | < 0.001 |
| Sexual identity or intercourse | 3.84 | 3.03–4.86 | < 0.001 | 1.38 | 1.03–1.84 | < 0.05 | 3.78 | 2.91–4.92 | < 0.001 | 2.18 | 1.58–3.01 | < 0.001 |
| Academic course | 1.72 | 1.59–1.86 | < 0.001 | 1.18 | 1.07–1.30 | < 0.001 | 1.51 | 1.38–1.66 | < 0.001 | 1.14 | 1.02–1.28 | < 0.05 |
| Tobacco use | 2.44 | 1.91–3.10 | < 0.001 | 1.34 | 0.95–1.88 | 0.098 | 2.70 | 1.75–4.15 | < 0.001 | 1.25 | 0.72–2.17 | 0.438 |
| Substance use | 2.20 | 1.56–3.11 | < 0.001 | 0.77 | 0.47–1.27 | 0.304 | 4.37 | 1.98–9.67 | < 0.001 | 0.79 | 0.28–2.21 | 0.650 |
| Region | 0.86 | 0.80–0.91 | < 0.001 | 0.94 | 0.87–1.01 | 0.083 | 1.10 | 1.04–1.16 | < 0.001 | 1.19 | 1.11–1.27 | < 0.001 |
OR odd ratio, a Multiple logistic regression analysis including all variables listed in this table