Table 4.
Cross-classified multilevel model (CCMM) results for the outcome of physical activity (PA) bout time (log transformed) during park visits (n = 1553)
| Null | Crude | Adjusted | ||||
|---|---|---|---|---|---|---|
| Fixed effects parameters | Coefficient (95% CI) | p value | Coefficient (95% CI) | p value | Coefficient (95% CI) | p value |
| Intercept | 2.190 (2.054, 2.326) | < 0.001 | 1.790 (1.570, 2.011) | < 0.001 | 2.144 (1.805, 2.483) | < 0.001 |
| PA facility variety | 0.100 (0.056, 0.145) | < 0.001 | 0.068 (0.027, 0.109) | 0.001 | ||
| Mean slope in park | 0.033 (0.006, 0.06) | 0.015 | ||||
| Built amenity variety | 0.034 (−0.003, 0.07) | 0.070 | ||||
| Net residential density | −0.003 (−0.007, 0.001) | 0.158 | ||||
| Employment FAR | −0.006 (−0.209, 0.197) | 0.956 | ||||
| Restaurant density | 0.002 (−0.834, 0.838) | 0.997 | ||||
| Mean slope in neighborhood | 0.011 (−0.034, 0.057) | 0.629 | ||||
| Active travel to/from park | −0.634 (−0.757, −0.511) | < 0.001 | ||||
| Random effects parameters | Variance (95% CI) | VPC | Variance (95% CI) | VPC | Variance (95% CI) | VPC |
| Individual-park combination | 0.346 (0.260, 0.461) | 23% | 0.346 (0.259, 0.462) | 24% | 0.315 (0.235, 0.424) | 27% |
| Park | 0.617 (0.447, 0.853) | 41% | 0.511 (0.356, 0.733) | 36% | 0.281 (0.177, 0.446) | 24% |
| Individual | 0.070 (0.028, 0.176) | 5% | 0.075 (0.031, 0.180) | 5% | 0.073 (0.033, 0.164) | 6% |
| Park visit | 0.489 (0.440, 0.544) | 32% | 0.490 (0.440, 0.546) | 34% | 0.479 (0.43, 0.533) | 42% |
CI, confidence interval, VPC, variance partition coefficient