Table 4.

Estimation of level-2 predictors of life satisfaction

	Estimate	SE	t	(df)	p
Level of life satisfaction at an initial point
Intercept	21.739	.318	68.39	(488)	.000
Gender (male = 1, female = 0)	−.001	.285	−0.01	(488)	.996
Health status	1.094	.175	6.26	(488)	.000
Economic status	1.261	.180	7.02	(488)	.000
Social participation	.695	.204	3.41	(488)	.001
Interaction with friends	.204	.083	2.46	(488)	.014
The number of children	.854	.256	3.34	(488)	.001
Infrequent conversations with spouse   (infrequent conversations with spouse = 1,   widows/widowers/divorced = 0)	−.538	.373	−1.44	(488)	.150
Frequent conversations with spouse  (frequent conversations with spouse = 1,   widows/widowers/divorced=0)	1.317	.388	3.40	(488)	.001
Gender × the number of children	−.813	.339	−2.40	(488)	.017
Change rate of life satisfaction for one year
Intercept	−.184	.055	−3.31	(497)	.001