The Dynamic Deprivation Index: measuring relative socio-economic deprivation in NZ on a monthly basis

Figures & data

Table

- Aged < 65 with no home access to the internet (Communication).	- Not living in their own home (Owned home).
- Aged 18–64 receiving a means tested benefit (Income).	- Aged 18–64 without any qualifications (Education).
- With household income below a given threshold (Income).	- Aged 18–64 unemployed (Employment).
- Below a bedroom occupancy threshold (Living Space).	- Without access to a car (Transport).
- Aged < 65 living in a single parent family (Support).

Table 1. Pearson correlation between March 2013 education variables and NZDEP13 scores.

Variable	Type	Correlation with NZDEP13 Score	Variable	Type	Correlation with NZDEP13 Score
% Students Expelled	A	0.272*	% Students Above NS Writing	B	−0.292*
% Students Suspended	A	0.313*	% Students At NS Writing	B	−0.468*
% Students Stood Down	A	0.324*	% Students Below NS Writing	B	0.497*
% Students Above NS Math	B	−0.449*	% Students Well Below NS Writing	B	0.576*
% Students At NS Math	B	−0.323*	% Students Above NCEA1	C	−0.432*
% Students Below NS Math	B	0.558*	% Students Below NCEA1	C	0.432*
% Students Well Below NS Math	B	0.561*	% Students Above NCEA2	C	−0.389*
% Students Above NS Reading	B	−0.447*	% Students Below NCEA2	C	0.389*
% Students At NS Reading	B	−0.134*	% Students Above NCEA3	C	−0.379*
% Students Below NS Reading	B	0.542*	% Students Below NCEA3	C	0.379*
% Students Well Below NS Reading	B	0.588*

*Significant at the p < 0.001 level.

Figure 1. DDI metrics.

Table 2. Associations between change in DDI input variables and change in DDI Score between Mar-13 and Mar-18.

DDI input variable	Correlation with change in DDI Score	Regression coefficient (no intercept)	R^2
Change in JSS Rate	0.653*	9.30*	0.416
Change in SPS Rate	0.608*	9.34*	0.279
Change in MTB Rate	0.550*	12.52*	0.303
Change in PUR Score	0.433*	1.85*	0.187
Change in EDU Score	0.355*	1.83*	0.125

*Significant at the p < 0.001 level.

Figure 2. Changes in deprivation deciles for AUs within Tauranga City.