Table 2.
Univariate analysis on the risk factors of drowning in children based on the training dataset
| Non-fatal drowning | OR | 95% CI | P | ||
|---|---|---|---|---|---|
| No n (%) | Yes n (%) | ||||
| Age (Years)(X1) | |||||
| 8≦X1 < 10 | 1020(81.53) | 231(18.47) | 2.33 | 1.80~3.02 | < 0.01 |
| 10≦X1 < 12 | 1609 (85.04) | 283(14.96) | 1.86 | 1.45~2.38 | < 0.01 |
| 12≦X1 < 14 | 1056 (91.19) | 102(8.81) | 0.96 | 0.74~1.25 | 0.76 |
| 14≦X1 < 18 | 1774(91.58) | 163(8.42) | 1.00 | ||
| Gender(X2) | |||||
| Female | 2686 (90.44) | 284 (9.56) | 0.72 | 0.61~0.85 | < 0.01 |
| Male | 2773(84.85) | 495(15.15) | 1.00 | ||
| Swimming skill (Meters) (X3) | |||||
| ≥100 | 575(80.65) | 138(19.35) | 1.97 | 1.54~2.52 | < 0.01 |
| 50–100 | 1566(86.71) | 240(13.29) | 1.39 | 1.14~1.70 | < 0.01 |
| <50 | 948(85.95) | 155(14.05) | 1.44 | 1.15~1.80 | < 0.01 |
| Unable to swim | 2370(90.60) | 246(9.40) | 1.00 | ||
| Personality (X4) | |||||
| Introvert | 833(84.91) | 148(15.09) | 1.21 | 0.92~1.58 | 0.17 |
| Extrovert | 2846(87.30) | 414(12.70) | 1.11 | 0.88~1.39 | 0.39 |
| Between introvert and extrovert | 964(91.29) | 92(8.71) | 0.87 | 0.65~1.18 | 0.37 |
| Do not know | 816(86.72) | 125(13.28) | 1.00 | ||
| Relationships with classmates (X5) | |||||
| Very good | 2725(88.30) | 361(11.70) | 0.53 | 0.34~0.82 | < 0.01 |
| Good | 2518(88.10) | 340(11.90) | 0.54 | 0.35~0.84 | < 0.01 |
| Not good | 124(74.70) | 42(25.30) | 1.06 | 0.61~1.85 | 0.83 |
| Bad | 92(71.88) | 36(28.13) | 1.00 | ||
| Relationships with family (X6) | |||||
| Very good | 3859(88.55) | 499(11.45) | 0.26 | 0.15~0.45 | < 0.01 |
| Good | 1422(87.03) | 212(12.97) | 0.32 | 0.19~0.56 | < 0.01 |
| Not good | 138(77.09) | 41(22.91) | 0.54 | 0.29~1.03 | 0.06 |
| Bad | 40(59.70) | 27(40.30) | 1.00 | ||
| Number of siblings (X7) | |||||
| None | 476(85.46) | 81(14.54) | 1.09 | 0.89~1.46 | 0.12 |
| One or more | 4983(87.71) | 698(12.29) | 1.00 | ||
| Distance from school to open water (Meters) (X8) | |||||
| <100 | 1162(84.94) | 206(15.06) | 1.53 | 1.23~1.90 | < 0.01 |
| 100–500 | 744(87.63) | 105(12.37) | 1.30 | 1.00~1.69 | < 0.05 |
| 500+ | 895(88.00) | 122(11.99) | 1.23 | 0.96~1.58 | 0.11 |
| Have no water area | 896(86.99) | 134(13.01) | 1.31 | 1.03~1.67 | < 0.05 |
| Do not know | 1762(89.26) | 212(10.74) | 1.00 | ||
| Distance from home to open water (Meters) (X9) | |||||
| <100 | 1372(88.00) | 187(11.99) | 0.98 | 0.77~1.31 | 0.68 |
| 100–500 | 1018(86.71) | 156(13.29) | 1.04 | 0.81~1.38 | 0.62 |
| 500+ | 840(86.42) | 132(13.58) | 1.05 | 0.83~1.41 | 0.52 |
| Have no water area | 1218(88.45) | 159(11.55) | 0.97 | 0.74~1.29 | 0.46 |
| Do not know | 1011(87.46) | 145(12.54) | 1.00 | ||
| Have an open water on the way to school (X10) | |||||
| Yes | 2009(87.92) | 276(12.08) | 0.69 | 0.56~0.86 | < 0.01 |
| No | 2492(88.97) | 309(11.03) | 0.61 | 0.50~0.75 | < 0.01 |
| Do not know | 958(83.16) | 194(16.84) | 1.00 | ||