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. Author manuscript; available in PMC: 2023 Jul 20.
Published in final edited form as: Front Built Environ. 2019 Dec 3;5:142. doi: 10.3389/fbuil.2019.00142

Table 2.

RQ1: Multilevel Regression Predicting Daily Pain Intensity including Catastrophizing.

Final estimation of fixed effects (with robust standard errors)
Fixed Effect Estimate SE T-ratio d.f. p-value1
For Intercept, π0i
 β00 Intercept 3.4157 0.3220 10.607 74 .000
 β01 Nearby Nature −0.0159 0.0080 −1.984 74 .051
 β02 Resilience −0.5078 0.5425 −0.936 74 .353
 β03 Neuroticism −0.0437 0.4061 −0.108 74 .915
 β04 Gender 0.0458 0.6348 0.072 74 .943
 β05 Age −0.0129 0.0241 −0.535 74 .594
 β06 Income −0.1668 0.1191 −1.401 74 .166
For Catastrophizing, π1
 β10 Intercept 0.2690 0.0331 8.1250 74 <.001
β11 Nearby Nature −0.0056 0.0010 −5.360 74 <.001
 β12 Resilience 0.0564 0.0512 1.103 74 .274
 β13 Neuroticism −0.0121 0.0419 −0.290 74 .773
 β14 Gender −0.0838 0.0531 −1.577 74 .119
 β15 Age 0.0039 0.0022 1.798 74 .076
 β16 Income 0.0275 0.0116 2.381 74 .020
For Time in Nature, π2
 β20 Intercept −0.0484 0.0253 −1.915 74 .059
β21 Nearby Nature −0.0011 0.0007 −1.607 74 .112
 β22 Resilience −0.0288 0.0310 −0.929 74 .356
 β23 Neuroticism 0.0894 0.0283 3.161 74 .003
 β24 Gender −0.0067 0.0335 −0.200 74 .843
 β25 Age −0.0026 0.0020 −1.293 74 .200
 β26 Income 0.0157 0.0098 1.607 74 .112
Final estimation of variance components
Random Effect SD Variance component d.f. Chi-square p-value
Intercept r0 1.6330 2.6668 73 319.2644 <.001
Catastrophizing slope r1 0.1233 0.0152 73 140.5581 <.001
Time in nature slope r2 0.0853 0.0073 73 104.8853 .009
Level-1 e 1.4686 2.1567
1

Bolded p-values indicate significance at the.05 alpha level