Table A1.

Probit models of the probability to be in wave t conditional on wave 1 characteristics.

Variable	1993		1997		2000		2004		2006
	Coef	p-Value	Coef	p-Value	Coef	p-Value	Coef	p-Value	Coef	p-Value
Females
10–29	Reference	Reference	Reference	Reference	Reference	Reference	Reference	Reference	Reference	Reference
30–49	0.674	0.000	0.739	0.000	1.118	0.000	1.274	0.000	1.226	0.000
50–69	0.422	0.000	0.552	0.000	0.723	0.000	0.857	0.000	0.791	0.000
70–89	−0.030	0.730	−0.008	0.921	−0.055	0.520	−0.226	0.020	−0.439	0.000
Males
10–29	0.250	0.000	0.282	0.000	0.255	0.000	0.331	0.000	0.276	0.000
30–49	0.558	0.000	0.680	0.000	0.907	0.000	1.117	0.000	1.086	0.000
50–69	0.380	0.000	0.455	0.000	0.644	0.000	0.759	0.000	0.633	0.000
70–89	−0.110	0.261	−0.113	0.223	−0.218	0.036	−0.465	0.000	−1.100	0.000
Region
Coastal – urban	−0.268	0.000	−1.049	0.000	−0.277	0.000	−0.516	0.000	−0.500	0.000
Coastal – rural	0.129	0.001	−0.584	0.000	0.002	0.958	−0.073	0.021	−0.100	0.002
Inland – urban	−0.233	0.000	−0.217	0.000	−0.086	0.010	−0.179	0.000	−0.247	0.000
Inland – rural	Reference	Reference	Reference	Reference	Reference	Reference	Reference	Reference	Reference	Reference
Income
Linear	4.852E–01	0.002	1.757E–01	0.017	−1.862E–02	0.000	8.328E–02	0.267	−9.428E–02	0.000
Quadratic	−2.174E–01	0.001	−7.389E–02	0.001			−5.136E–02	0.022	5.694E–03	0.000
Cubic	3.758E–02	0.003	8.920E–03	0.000			6.524E–03	0.010
Power four	−2.870E–03	0.005	−3.320E–04	0.000			−2.467E–04	9.739E–03
Power five	8.015E–05	0.008
SAH response
Excellent	Reference	Reference	Reference	Reference	Reference	Reference	Reference	Reference	Reference	Reference
Good	0.019	0.673	0.034	0.358	0.003	0.939	0.052	0.172	0.028	0.466
Fair	−0.019	0.724	−0.003	0.946	−0.025	0.563	−0.008	0.852	−0.026	0.560
Poor	−0.418	0.000	−0.420	0.000	−0.420	0.000	−0.420	0.000	−0.383	0.000
Constant	0.618	0.000	0.124	0.156	−0.486	0.000	−0.656	0.000	−0.477	0.000