Appendix A: Statistical tests.
Correlations
Do you have a noodpakket
Education level
Kendall's tau_b
Do you have a noodpakket
Correlation Coefficient 1.000 .201
Sig. (2-tailed) . .221
N 38 38
Education level
Correlation Coefficient .201 1.000
Sig. (2-tailed) .221 .
N 38 38
Spearman's rho
Do you have a noodpakket
Correlation Coefficient 1.000 .201
Sig. (2-tailed) . .226
N 38 38
Education level
Correlation Coefficient .201 1.000
Sig. (2-tailed) .226 .
N 38 38
Correlations
Education level How do you estimate the chance of a
flooding
To what extent are you prepared
for potential floodings
Kendall's tau_b
Education level
Correlation Coefficient 1.000 -.151 .058
Sig. (2-tailed) . .318 .703
N 38 38 38
How do you estimate the chance of a flooding
Correlation Coefficient -.151 1.000 .376**
Sig. (2-tailed) .318 . .008
N 38 38 38
To what extent are you prepared for potential floodings
Correlation Coefficient .058 .376** 1.000
Sig. (2-tailed) .703 .008 .
N 38 38 38
Spearman's rho
Education level
Correlation Coefficient 1.000 -.164 .063
Sig. (2-tailed) . .324 .708
N 38 38 38
How do you estimate the chance of a flooding
Correlation Coefficient -.164 1.000 .442**
Sig. (2-tailed) .324 . .005
N 38 38 38
To what extent are you prepared for potential floodings
Correlation Coefficient .063 .442** 1.000
Sig. (2-tailed) .708 .005 .
N 38 38 38
**. Correlation is significant at the 0.01 level (2-tailed).
Correlations
Education level How do you estimate the chance of a
flooding
How do you estimate the chance of a heatwave
How do you estimate the chance of extreme weather
How do you estimate the chance of an earthquake
Kendall's tau_b
Education level
Correlation Coefficient 1.000 -.151 .223 .085 -.118
Sig. (2-tailed) . .318 .140 .581 .435
N 38 38 38 38 38
How do you estimate the chance of a flooding
Correlation Coefficient -.151 1.000 .016 .217 .458**
Sig. (2-tailed) .318 . .910 .127 .001
N 38 38 38 38 38
How do you estimate the chance of a heatwave
Correlation Coefficient .223 .016 1.000 .381** .247
Sig. (2-tailed) .140 .910 . .007 .077
N 38 38 38 38 38
How do you estimate the chance of extreme weather
Correlation Coefficient .085 .217 .381** 1.000 .048
Sig. (2-tailed) .581 .127 .007 . .737
N 38 38 38 38 38
How do you estimate the chance of an earthquake
Correlation Coefficient -.118 .458** .247 .048 1.000
Sig. (2-tailed) .435 .001 .077 .737 .
N 38 38 38 38 38
Spearman's rho
Education level
Correlation Coefficient 1.000 -.164 .243 .091 -.128
Sig. (2-tailed) . .324 .142 .588 .443
N 38 38 38 38 38
How do you estimate the chance of a flooding
Correlation Coefficient -.164 1.000 .020 .240 .525**
Sig. (2-tailed) .324 . .906 .147 .001
N 38 38 38 38 38
How do you estimate the chance of a heatwave
Correlation Coefficient .243 .020 1.000 .419** .284
Sig. (2-tailed) .142 .906 . .009 .084
N 38 38 38 38 38
How do you estimate the chance of extreme weather
Correlation Coefficient .091 .240 .419** 1.000 .060
Sig. (2-tailed) .588 .147 .009 . .718
N 38 38 38 38 38
How do you estimate the chance of an earthquake
Correlation Coefficient -.128 .525** .284 .060 1.000
Sig. (2-tailed) .443 .001 .084 .718 .
N 38 38 38 38 38
**. Correlation is significant at the 0.01 level (2-tailed).
Correlations
Education level To what extent are you prepared
for potential floodings
To what extent are you prepared
for potential heatwaves
To what extent are you prepared
for extreme weather
To what extent are you prepared
for potential earthquakes
Kendall's tau_b
Education level
Correlation Coefficient 1.000 .058 -.065 -.110 .011
Sig. (2-tailed) . .703 .671 .476 .943
N 38 38 38 38 38
To what extent are you prepared for potential floodings
Correlation Coefficient .058 1.000 .381** .362* .137
Sig. (2-tailed) .703 . .008 .011 .347
N 38 38 38 38 38
Correlation Coefficient -.065 .381** 1.000 .634** .107
To what extent are you prepared for potential heatwaves
Sig. (2-tailed) .671 .008 . .000 .466
N 38 38 38 38 38
To what extent are you prepared for extreme weather
Correlation Coefficient -.110 .362* .634** 1.000 -.022
Sig. (2-tailed) .476 .011 .000 . .882
N 38 38 38 38 38
To what extent are you prepared for potential earthquakes
Correlation Coefficient .011 .137 .107 -.022 1.000
Sig. (2-tailed) .943 .347 .466 .882 .
N 38 38 38 38 38
Spearman's rho
Education level
Correlation Coefficient 1.000 .063 -.070 -.117 .012
Sig. (2-tailed) . .708 .677 .483 .944
N 38 38 38 38 38
To what extent are you prepared for potential floodings
Correlation Coefficient .063 1.000 .433** .395* .159
Sig. (2-tailed) .708 . .007 .014 .339
N 38 38 38 38 38
To what extent are you prepared for potential heatwaves
Correlation Coefficient -.070 .433** 1.000 .693** .102
Sig. (2-tailed) .677 .007 . .000 .541
N 38 38 38 38 38
To what extent are you prepared for extreme weather
Correlation Coefficient -.117 .395* .693** 1.000 -.035
Sig. (2-tailed) .483 .014 .000 . .835
N 38 38 38 38 38
To what extent are you prepared for potential earthquakes
Correlation Coefficient .012 .159 .102 -.035 1.000
Sig. (2-tailed) .944 .339 .541 .835 .
N 38 38 38 38 38
**. Correlation is significant at the 0.01 level (2-tailed).
*. Correlation is significant at the 0.05 level (2-tailed).
Correlations
Education level Does your cell phone support
NL-Alert
Do you have a noodpakket
Are you familiar with the risicowijzer of the
veiligheidsregio Groningen
If yes: Are you familiar with the risks of floodings,
heatwaves and extreme weather
circumstances which are stated
Kendall's tau_b
Education level
Correlation Coefficient 1.000 -.078 .201 .234 .256
Sig. (2-tailed) . .635 .221 .154 .106
N 38 38 38 38 38
Does your cell phone support NL-Alert
Correlation Coefficient -.078 1.000 -.093 -.276 -.303
Sig. (2-tailed) .635 . .571 .093 .055
N 38 38 38 38 38
Do you have a noodpakket
Correlation Coefficient .201 -.093 1.000 -.031 -.015
Sig. (2-tailed) .221 .571 . .848 .925
N 38 38 38 38 38
Are you familiar with the risicowijzer of the
veiligheidsregio Groningen
Correlation Coefficient .234 -.276 -.031 1.000 .939**
Sig. (2-tailed) .154 .093 .848 . .000
N 38 38 38 38 38
If yes: Are you familiar with the risks of floodings, heatwaves and extreme weather
circumstances which are stated
Correlation Coefficient .256 -.303 -.015 .939** 1.000
Sig. (2-tailed) .106 .055 .925 .000 .
N 38 38 38 38 38
Education level
Correlation Coefficient 1.000 -.078 .201 .234 .266
Sig. (2-tailed) . .641 .226 .157 .107
Correlations
Education level Do you check weather warnings
of the KNMI on a regular basis
Do you always have an extra blanket, jacket and bottle of water in your car
Do you have sufficient water
and cooling possibilities in your house during
summer period
Do you know if your house is
sensible for potential floodings
Kendall's tau_b
Education level
Correlation Coefficient 1.000 .035 -.089 .059 .396*
Sig. (2-tailed) . .834 .571 .719 .016
N 38 37 38 38 38
Do you check weather warnings of the KNMI on a regular basis
Correlation Coefficient .035 1.000 -.046 .224 -.017
Sig. (2-tailed) .834 . .771 .179 .920
N 37 37 37 37 37
Do you always have an extra blanket, jacket and bottle of water in your car
Correlation Coefficient -.089 -.046 1.000 -.206 -.034
Sig. (2-tailed) .571 .771 . .189 .826
N 38 37 38 38 38
Do you have sufficient water and cooling possibilities in your house during summer period
Correlation Coefficient .059 .224 -.206 1.000 -.226
Sig. (2-tailed) .719 .179 .189 . .169
N 38 37 38 38 38
Do you know if your house is sensible for potential floodings
Correlation Coefficient .396* -.017 -.034 -.226 1.000
Sig. (2-tailed) .016 .920 .826 .169 .
N 38 37 38 38 38
Spearman's rho
Education level
Correlation Coefficient 1.000 .035 -.093 .059 .396*
Sig. (2-tailed) . .837 .578 .724 .014
N 38 37 38 38 38
Do you check weather warnings of the KNMI on a regular basis
Correlation Coefficient .035 1.000 -.049 .224 -.017
Sig. (2-tailed) .837 . .775 .183 .922
N 37 37 37 37 37
Do you always have an extra blanket, jacket and bottle of water in your car
Correlation Coefficient -.093 -.049 1.000 -.216 -.036
Sig. (2-tailed) .578 .775 . .193 .829
N 38 37 38 38 38
Do you have sufficient water and cooling possibilities in your house during summer period
Correlation Coefficient .059 .224 -.216 1.000 -.226
Sig. (2-tailed) .724 .183 .193 . .172
N 38 37 38 38 38
Do you know if your house is sensible for potential floodings
Correlation Coefficient .396* -.017 -.036 -.226 1.000
Sig. (2-tailed) .014 .922 .829 .172 .
N 38 37 38 38 38
*. Correlation is significant at the 0.05 level (2-tailed).
Correlations
Education level Do you have a location where to
go if you have to leave your house in case of flooding
Do you have a list with stuff you want to take if you
need to leave your house
Do you have valuable stuff well
attached in your house
Do you regulary check if hanging objects are still
attached well
Kendall's tau_b Education level Correlation Coefficient 1.000 -.240 .201 .243 .146
Sig. (2-tailed) . .145 .221 .139 .375
N 38 38 38 38 38
Do you have a location where to go if you have to leave your house in case of flooding
Correlation Coefficient -.240 1.000 .224 -.088 -.254
Sig. (2-tailed) .145 . .174 .592 .122
N 38 38 38 38 38
Do you have a list with stuff you want to take if you need to leave your house
Correlation Coefficient .201 .224 1.000 .408* .167
Sig. (2-tailed) .221 .174 . .013 .311
N 38 38 38 38 38
Do you have valuable stuff well attached in your house
Correlation Coefficient .243 -.088 .408* 1.000 .616**
Sig. (2-tailed) .139 .592 .013 . .000
N 38 38 38 38 38
Do you regulary check if hanging objects are still attached well
Correlation Coefficient .146 -.254 .167 .616** 1.000
Sig. (2-tailed) .375 .122 .311 .000 .
N 38 38 38 38 38
Spearman's rho
Education level
Correlation Coefficient 1.000 -.240 .201 .243 .146
Sig. (2-tailed) . .147 .226 .141 .383
N 38 38 38 38 38
Do you have a location where to go if you have to leave your house in case of flooding
Correlation Coefficient -.240 1.000 .224 -.088 -.254
Sig. (2-tailed) .147 . .177 .599 .124
N 38 38 38 38 38
Do you have a list with stuff you want to take if you need to leave your house
Correlation Coefficient .201 .224 1.000 .408* .167
Sig. (2-tailed) .226 .177 . .011 .318
N 38 38 38 38 38
Do you have valuable stuff well attached in your house
Correlation Coefficient .243 -.088 .408* 1.000 .616**
Sig. (2-tailed) .141 .599 .011 . .000
N 38 38 38 38 38 Do you regulary check if
hanging objects are still attached well
Correlation Coefficient .146 -.254 .167 .616** 1.000
Sig. (2-tailed) .383 .124 .318 .000 .
N 38 38 38 38 38
*. Correlation is significant at the 0.05 level (2-tailed).
**. Correlation is significant at the 0.01 level (2-tailed).
Correlations
Education level Do you regulary check if roof tiles and roof gutters are still well attached to
your house
Kendall's tau_b
Education level
Correlation Coefficient 1.000 .140
Sig. (2-tailed) . .371
N 38 38
Do you regulary check if roof tiles and roof gutters are still well attached to your house
Correlation Coefficient .140 1.000
Sig. (2-tailed) .371 .
N 38 38
Spearman's rho
Education level
Correlation Coefficient 1.000 .147
Sig. (2-tailed) . .378
N 38 38
Do you regulary check if roof tiles and roof gutters are still well attached to your house
Correlation Coefficient .147 1.000
Sig. (2-tailed) .378 .
N 38 38
Correlations
Education level To what extent is climate chance of influence on
these risks
Kendall's tau_b
Education level
Correlation Coefficient 1.000 .085
Sig. (2-tailed) . .601
N 38 38
To what extent is climate chance of influence on these risks
Correlation Coefficient .085 1.000
Sig. (2-tailed) .601 .
N 38 38
Spearman's rho
Education level
Correlation Coefficient 1.000 .086
Sig. (2-tailed) . .608
N 38 38
To what extent is climate chance of influence on these risks
Correlation Coefficient .086 1.000
Sig. (2-tailed) .608 .
N 38 38
Correlations
How do you estimate the chance of a heatwave
To what extent are you prepared for
potential heatwaves
Kendall's tau_b
How do you estimate the chance of a heatwave
Correlation Coefficient 1.000 .008
Sig. (2-tailed) . .955
N 38 38
To what extent are you prepared for potential heatwaves
Correlation Coefficient .008 1.000
Sig. (2-tailed) .955 .
N 38 38
Spearman's rho
How do you estimate the chance of a heatwave
Correlation Coefficient 1.000 .013
Sig. (2-tailed) . .939
N 38 38
To what extent are you prepared for potential heatwaves
Correlation Coefficient .013 1.000
Sig. (2-tailed) .939 .
N 38 38
Correlations
How do you estimate the chance of
extreme weather
To what extent are you prepared for
extreme weather
Kendall's tau_b
How do you estimate the chance of extreme weather
Correlation Coefficient 1.000 -.147
Sig. (2-tailed) . .310
N 38 38
To what extent are you prepared for extreme weather
Correlation Coefficient -.147 1.000
Sig. (2-tailed) .310 .
N 38 38
Spearman's rho
How do you estimate the chance of extreme weather
Correlation Coefficient 1.000 -.160
Sig. (2-tailed) . .337
N 38 38
To what extent are you prepared for extreme weather
Correlation Coefficient -.160 1.000
Sig. (2-tailed) .337 .
N 38 38
Correlations
How do you estimate the chance of an earthquake
To what extent are you prepared for
potential earthquakes
Kendall's tau_b
How do you estimate the chance of an earthquake
Correlation Coefficient 1.000 -.270
Sig. (2-tailed) . .062
N 38 38
To what extent are you prepared for potential earthquakes
Correlation Coefficient -.270 1.000
Sig. (2-tailed) .062 .
N 38 38
Spearman's rho
How do you estimate the chance of an earthquake
Correlation Coefficient 1.000 -.294
Sig. (2-tailed) . .074
N 38 38
To what extent are you prepared for potential earthquakes
Correlation Coefficient -.294 1.000
Sig. (2-tailed) .074 .
N 38 38
