Table 2.
Negative Binomial Models Showing Association of Playground and Neighborhood Characteristics With Playground Use and Moderate to Vigorous Physical Activitya
| Contextual variables | Number of observed visitors | Number of observed visitors in MVPA | ||||
|---|---|---|---|---|---|---|
| Estimate | SE | Difference associated with factor, % |
Estimate | SE | Difference associated with factor, % |
|
| Innovative | 0.36 ** | 0.12 | 43.33% | 0.36 ** | 0.13 | 43.33% |
| Traditional | – | – | – | – | – | – |
| Not a destination location | −0.71 **** | 0.13 | −50.84% | −0.73 **** | 0.13 | −51.81% |
| A destination location | – | – | – | – | – | – |
| Population within ½ mile radius | 0.47 **** | 0.07 | 60.00% | 0.39 **** | 0.07 | 47.70% |
| Playground size (1,000 sq ft) | 0.01 ** | 0.00 | 1.01% | 0.01 *** | 0.00 | 1.01% |
| Percent families in poverty | −0.05 **** | 0.01 | −4.88% | −0.04 **** | 0.01 | −3.92% |
| Weekend days | 0.02 | 0.22 | 2.02% | 0.04 | 0.25 | 4.08% |
| Weekdays | – | – | – | – | – | – |
| Number of unique play elements | 0.06 * | 0.03 | 6.18% | 0.06 | 0.03 | 6.18% |
| Number of surface types | 0.05 | 0.04 | 5.13% | 0.05 | 0.04 | 5.13% |
Notes: Boldface indicates statistical significance (*p<0.05; **p<0.01; ***p<0.001; ****p<0.0001).
a
For simplicity, the parameter estimates of intercept, city, and time of day are not reported in the results.
MVPA, moderate to vigorous physical activity.