Generalised estimating equation of panel data
Model 1 (crude) | Model 2 (adjusted by CAPB) | Model 3 interactions (time period*CAPB) | ||||
Coef. | P values | Coef. | P values | Coef. | P values | |
Child poverty | ||||||
Time period | ||||||
2008–2010 | 0.51 | NS | 0.51 | NS | 0.75 | NS |
2012–2015 | 1.29 | 0.01 | 1.29 | <0.001 | 0.69 | NS |
CAPB | 3.60 | <0.001 | 3.46 | <0.001 | ||
Interaction terms | ||||||
CAPB*2008–2010 | −0.27 | NS | ||||
CAPB*2012–2015 | 0.69 | 0.06 | ||||
Constant | 14.6 | <0.001 | 11.44 | <0.001 | 11.57 | <0.001 |
Material deprivation | ||||||
Independent variables | ||||||
Time period | ||||||
2008–2010 | 0.86 | NS | 0.86 | NS | 0.01 | NS |
2012–2015 | 5.86 | <0.001 | 5.86 | <0.001 | 0.92 | NS |
CAPB | 2.37 | NS | 0.17 | NS | ||
Interaction terms | ||||||
CAPB*2008–2010 | 0.96 | NS | ||||
CAPB*2012–2015 | 5.62 | <0.001 | ||||
Constant | 15.23 | <0.001 | 13.15 | <0.001 | 15.08 | <0.001 |
Preschool investment | ||||||
Independent variables | ||||||
Time period | ||||||
2008–2010 | 0.1 | <0.001 | 0.1 | <0.001 | 0.1 | 0.006 |
2012–2013 | 0.18 | <0.001 | 0.18 | <0.001 | 0.18 | <0.001 |
CAPB | −0.19 | NS | −0.19 | NS | ||
Interaction terms | ||||||
CAPB*2008–2010 | 0.008 | NS | ||||
CAPB*2012–2013 | −0.01 | NS | ||||
Constant | 0.72 | <0.001 | 0.85 | <0.001 | 0.85 | <0.001 |
SDCH (child poverty 2005–2015, material deprivation 2005–2015, and pre-school investment 2005–2013).
Reference category: years 2005–2007.
CAPB, cyclically adjusted primary balance; SDCH, social determinants of child health.