Table 1

Summary statistics of demographic and health status variables

	Control (1)	Treatment (2)	Difference (1)–(2)	P value
Male	0.515	0.466	−0.048	0.022
Male	0.500	0.499
Age	77.800	77.857	0.057	0.835
Age	6.405	6.582
Education (years)	1.906	1.792	−0.114	0.142
Education (years)	1.727	1.931
Marital status: couple	0.523	0.524	0.001	0.949
Marital status: couple	0.500	0.500	.
Marital status: divorced or separated	0.027	0.034	0.008	0.287
Marital status: divorced or separated	0.161	0.182
Marital status: widow	0.391	0.386	−0.005	0.827
Marital status: widow	0.488	0.487
Household size	3.446	3.429	−0.017	0.848
Household size	2.082	2.160
Works for pay	0.153	0.166	0.013	0.414
Works for pay	0.360	0.372
Household monthly income per capita (December 2008 US$)	98.508	105.707	7.199	0.141
Household monthly income per capita (December 2008 US$)	78.795	137.357
Any chronic conditions	0.645	0.582	−0.063	0.077
Any chronic conditions	0.848	0.826
IADL	4.819	4.666	−0.153	0.358
IADL	3.788	3.840
Receives Reconocer pension in wave 2	0.000	0.860	0.860	0.000
Receives Reconocer pension in wave 2	0.000	0.347
Observations	973	1307