Table 1 Summary of the statistical analysis of the plan quality index scores across individual years (linear regression) and temporal groups (ANOVA, Tukey Post hoc test) for all sub-indices.

From: Quality of urban climate adaptation plans over time

 

ADAQA-1

ADAQA-2

ADAQA-3

Linear regression

R² = 0.26; F(df1, 14) = 5.02, p = 0.042

R² = 0.15; F(df1, 14) = 2.44, p = 0.140

R² = 0.57; F(df1, 14) = 18.41, p < 0.001

Temporal groups

Group 1: < mid-2015

Group 2: mid-2015 to mid-2018

Group 3: > mid-2018

Group 1: < mid-2015

Group 2: mid-2015 to mid-2018

Group 3: > mid-2018

Group 1: < mid-2015

Group 2: mid-2015 to mid-2018

Group 3: > mid-2018

Plan quality (mean ± SD)

25.16 +/− 10.14

32.98 +/− 14.46

40.27 +/− 13.85

14.36 +/− 4.55

16.92 +/− 5.58

19.66 +/− 0.04

26.88 +/− 10.80

33.78 +/− 13.28

41.24 +/− 12.71

ANOVA (f, p-value)

F(2,165) = 18.81, p < 0.001

F(2,165) = 14.89, p < 0.001

F(2,165) = 18.86, p < 0.001

Tukey Post hoc test (p-value)

Group 2: p = 0.005

Group 3: p < 0.001

Group 1: p = 0.005

Group 3: p = 0.010

Group 1: p < 0.001

Group 2: p = 0.010

Group 2: p = 0.023

Group 3: p < 0.001

Group 1: p = 0.023

Group 3: p = 0.015

Group 1: p < 0.001

Group 2: p = 0.015

Group 2: p = 0.010

Group 3: p < 0.001

Group 1: p = 0.010

Group 3: p = 0.005

Group 1: p < 0.001

Group 2: p = 0.005

  1. Group 1 refers to older plans, published or approved before mid-2015. Group 2 refers to medium-old plans, published or approved between mid-2015 to mid-2018. Group 3 refers to recent plans, published or approved after mid-2018. Key: SD – Standard deviation.
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