순천향대학교 사회복지학과 교수
Professor, Department of Social Welfare, Soonchunhyang University, Asan, Korea
Copyright © 2025 Korean Society of Stress Medicine.
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| Variable | Category | n | % | M (SD) |
|---|---|---|---|---|
| Gender | Female | 2,773 | 48.2 | |
| Male | 2,976 | 51.8 | ||
| School level | Elementary school | 1,955 | 34.0 | |
| Middle school | 1,934 | 33.6 | ||
| High school | 1,861 | 32.4 | ||
| Parental marital status | Married | 5,140 | 89.4 | |
| Divorced/widowed/separated | 609 | 10.6 | ||
| Household economic status | 1.00~7.00 | 4.66 (1.10) |
| Variable | M (SD) | Range | Skewness | Kurtosis | DS |
SD |
PFR |
|---|---|---|---|---|---|---|---|
| r (p) | r (p) | r (p) | |||||
| Daily stress (DS) | 1.31 (0.73) | 0~4 | -0.244 | -0.396 | 1 | ||
| Sleep duration (SD) | 7.26 (1.90) | 2~21 | -0.578 | 2.745 | -.081 (<.001) | 1 | |
| Positive family relationships (PFR) | 3.43 (0.64) | 1~4 | -1.079 | 1.157 | -.135 (<.001) | .174 (<.001) | 1 |
| Attention-deficit/hyperactivity | 15.28 (10.42) | 0~81 | 1.056 | 1.513 | .255 (<.001) | -.061 (<.001) | -.337 (<.001) |
| Variable | Panel A: Total effect |
Panel B: Mediating effect |
|||||||
|---|---|---|---|---|---|---|---|---|---|
| DS→Attention-deficit/hyperactivity (ADH) |
Step 1: DS→SD |
Step 2: DS, SD→ADH |
|||||||
| B | SE | t (p) | B | SE | t (p) | B | SE | t (p) | |
| Daily stress (DS) | 3.832 | 0.181 | 21.190 (<.001) | -0.012 | 0.002 | -6.593 (<.001) | 3.747 | 0.181 | 20.695 (<.001) |
| Sleep duration (SD) | -7.176 | 1.331 | -5.393 (<.001) | ||||||
| Gender | 3.082 | 0.263 | 11.717 (<.001) | 0.017 | 0.003 | 6.714 (<.001) | 3.207 | 0.263 | 12.176 (<.001) |
| Middle school | -0.539 | 0.318 | -1.693 (.090) | -0.070 | 0.003 | -22.174 (<.001) | -1.040 | 0.331 | -3.143 (.002) |
| High school | -1.487 | 0.326 | -4.561 (<.001) | -0.139 | 0.003 | -43.002 (<.001) | -2.482 | 0.374 | -6.638 (<.001) |
| Divorced/widowed/separated | 2.228 | 0.429 | 5.194 (<.001) | 0.002 | 0.004 | 0.542 (.588) | 2.244 | 0.428 | 5.245 (<.001) |
| -Household economic status | -1.314 | 0.123 | -10.701 (<.001) | 0.005 | 0.001 | 4.096 (<.001) | -1.278 | 0.123 | -10.420 (<.001) |
| Constant | 15.223 | 0.715 | 21.282 (<.001) | 0.898 | 0.007 | 126.924 (<.001) | 21.667 | 1.392 | 15.567 (<.001) |
| R2, F (p) | .110, 118.274 (<.001) | .270, 353.700 (<.001) | .114, 106.028 (<.001) | ||||||
| Mediation effect (BSE, BCI) | 0.094 (0.026, 0.046~0.149) | ||||||||
| Variable | Two-step moderated mediating analysis |
|||||
|---|---|---|---|---|---|---|
| Step 1: DS, FR, DS×PFR→SD |
Step 2: DS, SD→Attention-deficit/hyperactivity |
|||||
| B | SE | t (p) | B | SE | t (p) | |
| Daily stress (DS) | -0.012 | 0.002 | -6.586 (<.001) | 3.764 | 0.180 | 20.957 (<.001) |
| Sleep duration (SD) | -6.786 | 1.315 | -5.160 (<.001) | |||
| Positive family relationships (PFR) | 0.017 | 0.002 | 8.243 (<.001) | |||
| DS×PFR | 0.007 | 0.003 | 2.663 (.008) | |||
| Gender | 0.020 | 0.003 | 7.677 (<.001) | 3.122 | 0.260 | 12.031 (<.001) |
| Middle school | -0.066 | 0.003 | -21.341 (<.001) | -1.305 | 0.322 | -4.051 (<.001) |
| High school | -0.134 | 0.003 | -41.848 (<.001) | -2.652 | 0.365 | -7.262 (<.001) |
| Divorced/widowed/separated | 0.008 | 0.004 | 1.814 (.070) | 2.454 | 0.423 | 5.805 (<.001) |
| Household economic status | 0.003 | 0.001 | 2.090 (.037) | -1.219 | 0.121 | -10.114 (<.001) |
| Constant | 0.889 | 0.007 | 137.236 (<.001) | 26.321 | 1.328 | 19.821 (<.001) |
| R2, F (p) | .278, 276.347 (<.001) | .117, 108.888 (<.001) | ||||
| R2 of interaction term, F (p) | .001, 7.090 (.008) | |||||
| Mediating effect for low PFR (BSE, BCI) | 0.109 (0.034, 0.050~0.184) | |||||
| Mediating effect for medium PFR (BSE, BCI) | 0.080 (0.024, 0.038~0.130) | |||||
| Mediating effect for high PFR (BSE, BCI) | 0.055 (0.022, 0.016~0.102) | |||||
| Index of moderated mediation (BSE, BCI) | -0.046 (0.027, -0.106~-0.001) | |||||
N=5,749, M: mean, SD: standard deviation.
N=5,749, M: mean, SD: standard deviation. Sleep duration was converted into a common log for skewness, kurtosis, and correlation analyses.
N=5,749, B: coefficient, SE: standard error, BSE: bootstrap SE, BCI: bootstrap confidence interval.
N=5,749, B: coefficient, SE: standard error, BSE: bootstrap SE, BCI: bootstrap confidence interval.