Reconciling findings on the employment effect of disability insurance

Table 6 Disclosure of Social Security Numbers

Panel	Wave	SSN non-disclosure		SSN disclosure
Panel	Wave	Percentage	N	Percentage	N
1984	1	13.58	1578	86.42	10011
1990	1	7.9	1048	92.1	11590
1991	1	11.31	929	88.69	7562
1992	1	11.5	1236	88.5	10214
1993	1	12.26	1360	87.74	10239
1996	2	15.2	2971	84.8	16996
1996	3	15.08	2896	84.92	16535
1996	4	15.27	2837	84.73	15956
1996	5	15.17	2755	84.83	15383
1996	6	15.17	2649	84.83	14861
1996	7	15.24	2597	84.76	14396
1996	8	15.47	2625	84.53	14224
1996	9	15.47	2563	84.53	13971
1996	10	15.39	2517	84.61	13746
1996	11	15.49	2516	84.51	13600
1996	12	15.75	2578	84.25	13597
2001	2	37.86	6234	62.14	10280
2001	3	38.78	6178	61.22	9876
2001	4	38.64	6088	61.36	9685
2001	5	39.43	6122	60.57	9415
2001	6	39.51	6170	60.49	9343
2001	7	39.77	6138	60.23	9244
2001	8	39.94	6071	60.06	9046
2001	9	40.19	5940	59.81	8783
2004	1	23.65	5231	76.35	20021
2004	2	21.09	4374	78.91	19093
2004	3	20.19	4049	79.81	18428
2004	4	19.31	3813	80.69	18093
2004	5	18.23	3531	81.77	17840
2004	6	17.16	3281	82.84	17636
2004	7	16.06	3081	83.94	17471

Note - Data source is SIPP panels 1984-2004 matched to administrative records. Table entries are for men, 25-61 years old. We exclude from the sample: (i) men who have been in the military; (ii) men who have applied or are currently applying only for SSI; and (iii) men who are currently applying for DI/SSI or who were beneficiaries for DI. Details concerning sample selection see Appendix A. Original person-month weights provided by Census have been used to compute percentages.