Table 3.
Unadjusted regression analyses, with skin carotenoids as the dependent variable, and distance measures as independent variables.
| Dependent Variable | Independent Variable | Parameter Estimate | Standard Error | t-Value | p-Value | r-Squared |
|---|---|---|---|---|---|---|
| Carotenoids (RS Device) | Distance to supermarket where surveyed (inverse) | −7.6 | 4.9 | −1.53 | 0.13 | 0.2 |
| Carotenoids (RS Device) | mRFEI (linear) |
1.26 | 0.53 | 2.38 | 0.02 * | 0.05 |
| Carotenoids (RS Device) | mRFEI Healthy Outlets (cubic) |
0.55 | 0.30 | 1.82 | 0.07 | 0.04 |
| Carotenoids (RS Device) | mRFEI Unhealthy Outlets (cubic) |
−0.005 | 0.003 | −1.651 | 0.10 | 0.04 |
| Carotenoids (RS Device) | mRFEI Local Service Area 1 mile (quadratic) |
2.21 × 10−2 | 7.23 × 10−3 | 3.05 | 0.003 ** | 0.12 |
| Carotenoids (RS Device) | mRFEI Local Service Area 3 mile (quadratic) |
0.04 | 0.02 | 1.971 | 0.05 * | 0.06 |
| Carotenoids (RS Device) | mRFEI Local Service Area 5 mile (cubic) |
−0.01 | 0.02 | −0.618 | 0.54 | 0.04 |
| Carotenoids (RS Device) | Supermarket Density 1 mile (quad) |
1.596 × 10−6 | 2.272 × 10−6 | 0.703 | 0.49 | 0.009 |
| Carotenoids (RS Device) | Supermarket Density 3 mile (cubic) |
0.2396 | 0.2189 | 1.095 | 0.276 | 0.03 |
| Carotenoids (RS Device) | Supermarket Density 5 mile (cubic) |
−0.005455 | 0.025213 | −0.216 | 0.829 | 0.01417 |
| * p-value ≤ 0.05; ** p-value ≤ 0.01 | ||||||