Table 3.
Probability distribution for cause and mechanism of injury, place of occurrence, and activity at time of injury conditional on four classes of fall injury episodes, among adults ages 18–49, United States, National Health Interview Survey, 2004–2013
| Class 1 Residential |
Class 2 Occupational |
Class 3 Leisure |
Class 4 Sports |
|
|---|---|---|---|---|
| Class Size (n = 1,325) | 0.411 | 0.195 | 0.223 | 0.170 |
| Cause | ||||
| Slipping or tripping | 0.605 | 0.642 | 0.588 | 0.554 |
| Jumping or diving | 0.019 | 0.004 | 0.035 | 0.167 |
| Bumping into an object or another person | 0.018 | 0.016 | 0.018 | 0.040 |
| Being shoved or pushed by another person | 0.002 | 0.004 | 0.008 | 0.097 |
| Losing balance or having dizziness (fainting or a seizure) | 0.195 | 0.053 | 0.139 | 0.053 |
| Other | 0.162 | 0.281 | 0.212 | 0.090 |
| Mechanism | ||||
| Stairs, steps, or escalator | 0.390 | 0.095 | 0.139 | 0.018 |
| Floor or level ground | 0.308 | 0.308 | 0.243 | 0.032 |
| Curb (including sidewalk) | 0.002 | 0.025 | 0.276 | 0.002 |
| Ladder or scaffolding | 0.036 | 0.127 | 0.000 | 0.000 |
| Sports field, court, or rink | 0.000 | 0.003 | 0.000 | 0.594 |
| Building or other structure | 0.022 | 0.076 | 0.003 | 0.012 |
| Chair, bed, sofa, or other furniture | 0.048 | 0.013 | 0.028 | 0.018 |
| Bathtub, shower, toilet, or commode | 0.056 | 0.007 | 0.000 | 0.000 |
| Hole or other opening | 0.018 | 0.037 | 0.039 | 0.000 |
| Other | 0.120 | 0.309 | 0.272 | 0.324 |
| Place of occurrence | ||||
| Home (inside) | 0.638 | 0.000 | 0.001 | 0.023 |
| Home (outside) | 0.329 | 0.039 | 0.334 | 0.045 |
| School, child care center, or preschool | 0.000 | 0.059 | 0.022 | 0.031 |
| Hospital or residential institution | 0.005 | 0.135 | 0.000 | 0.000 |
| Street including highway, sidewalk, or parking lot | 0.000 | 0.087 | 0.346 | 0.004 |
| Recreation—sport facility, recreation area, lake, river, or pool | 0.000 | 0.016 | 0.068 | 0.852 |
| Commercial—trade or service area | 0.000 | 0.143 | 0.093 | 0.000 |
| Commercial area—industrial, construction area, or farm | 0.001 | 0.192 | 0.000 | 0.000 |
| Other public building | 0.006 | 0.155 | 0.029 | 0.000 |
| Other places, not specified | 0.022 | 0.173 | 0.108 | 0.045 |
| Activity at time of injury | ||||
| Driving or riding in a motor vehicle | 0.004 | 0.008 | 0.013 | 0.000 |
| Working at a paid job | 0.014 | 0.825 | 0.005 | 0.000 |
| Working around the house or yard | 0.392 | 0.000 | 0.035 | 0.000 |
| Attending school | 0.002 | 0.009 | 0.024 | 0.000 |
| Sports and exercise | 0.000 | 0.000 | 0.091 | 0.759 |
| Leisure activity (excluding sports) | 0.238 | 0.017 | 0.522 | 0.241 |
| Sleeping, resting, eating, or drinking | 0.051 | 0.009 | 0.000 | 0.000 |
| Cooking | 0.011 | 0.000 | 0.010 | 0.000 |
| Other | 0.287 | 0.132 | 0.301 | 0.000 |