Table 5.

Individuals with two or more visits included in the longitudinal analyses

	Total Sample (n=513)		Males (n=405)		Females (n=108)
Variables	n	%	n	%	n	%	Prob
Race/ethnicity based on f1q8x and f1q6	.		.		.		0.3640
White non-Hispanic	412	80.3%	332	82.0%	80	74.1%
Black non-Hisp	34	6.6%	26	6.4%	8	7.4%
Asian	14	2.7%	9	2.2%	5	4.6%
Hispanic	50	9.7%	36	8.9%	14	13.0%
Other	3	0.6%	2	0.5%	1	0.9%
Age at the time of registration, based on f1q4 [Mean (SD)]	513	11.8 (8.4)	405	11.9 (8.4)	108	11.6 (8.3)	0.8074
Age at Registration--categorized	.		.		.		0.6705
0-5	101	19.7%	79	19.5%	22	20.4%
6-10	184	35.9%	148	36.5%	36	33.3%
11-18	145	28.3%	110	27.2%	35	32.4%
19+	83	16.2%	68	16.8%	15	13.9%