TABLE 1.

Original Study Sampling Plan and Final Sample

Original Sampling Plan	Non-Hispanic White	Hispanic	Non-Hispanic Black and Others	Total
Males
Ages 20–24	129	30	24	183
25–29	149	38	28	215
30–34	139	38	26	203
35–39	151	40	26	217
40–44	157	39	26	222
45–49	164	37	25	226
50–54	146	32	21	199
55+	241	47	27	315
Total	1276	301	201	1,780
Females
All ages, all races				100
Grand total				1,880
Final Sample
Males
Age <25a	33	10	8	51
25–29	65	31	21	117
30–34	124	42	27	193
35–39	155	41	42	238
40–44	186	49	33	268
45–49	216	45	38	299
50–54	214	32	30	276
55+	290	25	22	337
Total	1,283	275	221	1,779
Females
<25	2	2	0	4
25–29	3	2	0	5
30–34	9	2	0	11
35–39	18	2	2	22
40–44	20	5	2	27
45–49	32	2	3	37
50–54	26	3	1	30
55+	31	1	3	35
Total	141	19	11	171
Grand total				1,995

^aTwo drivers, ages 18 and 19, were added to the youngest age category, so it is not exactly equivalent to the youngest Bureau of Labor Studies category (which ranged from 21 to 25).