. Author manuscript; available in PMC: 2015 Nov 18.

Published in final edited form as: Food Secur. 2014 Mar 7;6(2):283–297. doi: 10.1007/s12571-014-0336-6

Table 3. Cross-level interaction models for the investigation of differential changes in food security for vulnerable sub populations across the time period of 2004 to 2010 in Agincourt.

	Model 1b	sig.	Model 2b	sig.	Model 3b	sig.	Model 4b	sig.
Variables
Intercept	2.15	^***	2.26	^***	2.22	^***	2.24	^***
Time	0.33	^***	0.28	^***	0.29	^***	0.3	^***
Time sq.	-0.03	^***	-0.03	^***	-0.03	^***	-0.03	^***
% working	0.89	^***	0.34	^***	0.34	^***	0.34	^***
Child grants	-0.01	^*	0		-0.01	^*	-0.01	^*
Head migrant	0.09	^***	0.09	^***	0.22	^***	0.09	^***
Head refugee	0.01		0.01		0.01		0.12	^***
Time × % working	-0.28	^***
Time sq. × % working	0.02	^***
Time × Child grants			-0.02	^*
Time sq. × Child grants			0	^*
Time × Head migrant					-0.07	^***
Time sq. × Head migrant					0.01	^*
Time × Head refugee							-0.11	^***
Time sq. × Head refugee							0.02	^***

	Model 5b	sig.	Model 6b	sig.	Model 7b	sig.
Variables
Intercept	2.35	^***	2.25	^***	2.29	^***
Time	0.2	^***	0.28	^***	0.24	^***
Time sq.	-0.02	^***	-0.03	^***	-0.03	^***
NDVI	-0.67	^***	-0.19	^**	-0.19	^**
% elderly	0.54	^***	0.81	^***	0.54	^***
Female head	-0.05	^**	-0.05	^**	-0.12	^***
Time × NDVI	0.39	^***
Time sq. × NDVI	-0.05	^***
Time × % elderly			-0.2	^**
Time sq. × % elderly	0.02	^**
Time × Female head					0.07	^***
Time sq. × Female head					-0.01	^**

Note: All models were fitted with the complete set of covariates used in model 4, table 2. The display of coefficients of control variables and variance components was omitted to preserve space. Significance levels:

= p ≤ 0.05;

^**

= p ≤ 0.01;

^***

= p ≤ 0.001