Table 1.

Demographics of participants at entry to the study.

	Non-DS			DS			All diagnoses
Age	Male	Female	Total	Male	Female	Total	Male	Female	Total
<30	24	16	40	13	7	20	37	23	60
30–39	42	32	74	22	19	41	64	51	115
40–49	39	26	65	19	17	36	58	43	101
50–59	21	16	37	8	7	15	29	23	52
60–69	7	10	17	2	2	4	9	12	21
70–79	8	2	10	0	0	0	8	2	10
80–89	1	0	1	0	0	0	1	0	1
Total	142	102	244	64	52	116	206	154	360
Mean	43.17	42.91	43.06	39.73	40.48	40.07	42.1	42.09	42.09
SE	1.18	1.23	0.85	1.27	1.35	0.92	0.91	0.94	0.65
Range	17–83	20–71	17–83	20–61	20–61	20–61	17–83	20–71	17–83