Table 2.
Association between parental parital status and suicidal behaviors
| Variables | Suicidal ideation | Suicidal planning | Suicide attempt |
|---|---|---|---|
| Parental marital status | |||
| Two biological parents | 1.00 (reference) | 1.00 (reference) | 1.00 (reference) |
| Single biological parent | 1.00 (0.91, 1.10) | 0.98 (0.84, 1.14) | 1.04 (0.87, 1.24) |
| One biological parent and a new spouse | 1.34 (1.17, 1.53) | 1.24 (1.01, 1.52) | 1.48 (1.17, 1.87) |
| Two adoptive parents or a single adoptive parent | 1.03 (0.87, 1.22) | 1.08 (0.83, 1.41) | 0.92 (0.66, 1.28) |
| None | 1.36 (1.11, 1.66) | 1.28 (0.95, 1.73) | 2.02 (1.44, 2.83) |
| Multicultural family | |||
| Yes | 1.05 (0.89, 1.24) | 1.13 (0.89, 1.45) | 1.47 (1.11, 1.93) |
| No | 1.00 (reference) | 1.00 (reference) | 1.00 (reference) |
| Live with family | |||
| Yes | 1.00 (reference) | 1.00 (reference) | 1.00 (reference) |
| No | 1.23 (1.11, 1.35) | 1.54 (1.33, 1.79) | 1.28 (1.07, 1.52) |
| Siblings | |||
| Yes | 1.00 (reference) | 1.00 (reference) | 1.00 (reference) |
| No | 1.10 (1.03, 1.16) | 1.14 (1.03, 1.25) | 1.13 (1.01, 1.26) |
| Grandparents | |||
| Yes | 1.00 (reference) | 1.00 (reference) | 1.00 (reference) |
| No | 1.01 (0.97, 1.06) | 1.04 (0.97, 1.12) | 1.05 (0.97, 1.14) |
| Age (y) | |||
| ≤12.9 | 1.00 (reference) | 1.00 (reference) | 1.00 (reference) |
| 13.0-14.9 | 1.16 (1.07, 1.27) | 1.04 (0.92, 1.18) | 0.85 (0.73, 0.99) |
| 15.0-16.9 | 1.04 (0.94, 1.16) | 0.97 (0.83, 1.13) | 0.75 (0.63, 0.90) |
| ≥17.0 | 0.93 (0.82, 1.05) | 0.87 (0.72, 1.06) | 0.69 (0.55, 0.86) |
| Sex | |||
| Male | 1.00 (reference) | 1.00 (reference) | 1.00 (reference) |
| Female | 1.63 (1.55, 1.72) | 1.41 (1.31, 1.53) | 1.89 (1.72, 2.08) |
| Region | |||
| Metropolitan | 1.00 (reference) | 1.00 (reference) | 1.00 (reference) |
| Rural | 0.92 (0.87, 0.96) | 0.90 (0.84, 0.96) | 0.93 (0.85, 1.01) |
| Educational level | |||
| Middle school | 1.00 (reference) | 1.00 (reference) | 1.00 (reference) |
| High school | 0.72 (0.66, 0.79) | 0.55 (0.48, 0.63) | 0.52 (0.45, 0.61) |
| Household income | |||
| High | 1.00 (reference) | 1.00 (reference) | 1.00 (reference) |
| Middle | 0.95 (0.91, 1.00) | 0.87 (0.80, 0.94) | 0.91 (0.82, 1.00) |
| Low | 1.42 (1.34, 1.51) | 1.39 (1.26, 1.53) | 0.82 (0.75, 0.90) |
| Academic achievement | |||
| High | 1.00 (reference) | 1.00 (reference) | 1.00 (reference) |
| Middle | 1.03 (0.98, 1.08) | 1.06 (0.97, 1.16) | 1.02 (0.92, 1.14) |
| Low | 1.19 (1.14, 1.25) | 1.21 (1.12, 1.32) | 1.31 (1.19, 1.45) |
| Frequency of eating breakfast (times/wk) | |||
| 0-2 | 1.00 (reference) | 1.00 (reference) | 1.00 (reference) |
| 3-5 | 1.03 (0.97, 1.09) | 0.96 (0.89, 1.05) | 0.92 (0.84, 1.01) |
| 6-7 | 0.95 (0.90, 0.99) | 0.88 (0.82, 0.96) | 1.37 (1.22, 1.55) |
| Drinking status (times/wk) | |||
| Never | 1.00 (reference) | 1.00 (reference) | 1.00 (reference) |
| <1 | 1.46 (1.40, 1.54) | 1.47 (1.36, 1.59) | 1.71 (1.55, 1.89) |
| 2-3 | 1.86 (1.71, 2.02) | 2.19 (1.92, 2.50) | 3.01 (2.58, 3.51) |
| ≥4 | 2.48 (1.99, 3.08) | 3.26 (2.49, 4.27) | 4.80 (3.51, 6.58) |
| Lifetime smoking | |||
| No | 1.00 (reference) | 1.00 (reference) | 1.00 (reference) |
| Yes | 1.40 (1.32, 1.50) | 1.52 (1.38, 1.68) | 1.78 (1.59, 1.99) |
| Body mass index1 | |||
| Normal or underweight (<25 kg/m2) | 1.00 (reference) | 1.00 (reference) | 1.00 (reference) |
| Obese (≥25 kg/m2) | 1.06 (1.00, 1.13) | 1.03 (0.93, 1.14) | 1.03 (0.91, 1.16) |
| Stress | |||
| A little | 1.00 (reference) | 1.00 (reference) | 1.00 (reference) |
| A lot | 6.43 (6.13, 6.75) | 4.94 (4.55, 5.36) | 4.64 (4.21, 5.11) |
| Physical activity | |||
| No | 1.00 (reference) | 1.00 (reference) | 1.00 (reference) |
| Yes | 0.99 (0.94, 1.04) | 0.87 (0.81, 0.94) | 0.86 (0.79, 0.94) |
Values are presented as odds ratio (95% confidence interval).
1
Obesity status was defined by body mass index based on the 2014 Clinical Practice Guidelines for Overweight and Obesity in Korea.