Table 1. Volunteer characteristics and plasma PSA levels.

Age	BMI	GSTM1	PSA (ng/ml)
			Pre-intervention	6-month	12-month
Broccoli intervention
68	29	null	4.6	5.4	5.3
68	27	null	3.1	3.2	2.9
64	26	null	9.4	3.5	2.9
63	31	null	6.5	7.9	7.2
66	28	null	0.9	1.3	0.9
		Mean (sd) 4.9 (3.25)		4.3 (2.50)	3.84 (2.44)
57	27	positive	5.5	5.5	5.7
66	30	positive	13.6	16.8	13.4
69	27	positive	6.9	3.8	3.7
62	23	positive	2.2	2.2	1.9
59	29	positive	10.8	10.4	11.2
68	25	positive	9.7	12.5	7.2
64	32	positive	6.4	6.1	6.6
63	27	positive	7.9	9	10.8
		Mean (sd) 7.9 (3.5)		8.3 (4.85)	7.56 (3.95)
Peas intervention
70	28	null	4.1	4.2	4.4
65	24	null	7.5	9.3	8.2
59	24	null	9.3	10.8	8
61	35	null	1.1	1.1	1.1
57	26	null	5.5	5.4	5.2
		Mean (sd) 5.5 (3.15)		6.2 (3.92)	5.4 (2.92)
70	23	positive	8.9	5.2	N/A*
61	29	positive	2.3	2.2	2.5
57	30	positive	3.5	5.5	4.9
		Mean (sd) 4.9 (3.52)		4.3 (1.82)	3.7 (1.70)

One of the 22 volunteers was diagnosed with prostatic adenocarcinoma at the study baseline biopsy (pre-intervention) and was removed from the study.

^*This volunteer developed prostatic adenocarcinoma six months into the intervention and was removed from the study.