Table 5.

Differences in nutritional biomarkers and fatty acids between the intervention groups and over the 12-month intervention period

		MSG		DSG		PSG		Greenhouse-Geisser corrected P value
		Mean	95 % CI	Mean	95 % CI	Mean	95 % CI	Effect of time	Treatment group by time
Vitamin C (µmol/l)	n	11		14		11		0·01	0·60
	Baseline	25·1	18·2, 32·1	25·2	19·4, 31·0	24·8	19·1, 30·5
	3 months	26·4	21·5, 31·4	29·9	24·9, 34·9	30·1	24·3, 35·8
	6 months	20·9	17·2, 24·5	28·2	22·6, 33·8	24·5	19·6, 30·3
	12 months	22·9	18·3, 27·5	26·7	21·4, 32·0	27·1	19·7, 34·4
Lutein (µmol/l)*	n	12		16		13		0·16	0·75
	Baseline	0·18	0·13, 0·22	0·23	0·18, 0·27	0·17	0·12, 0·21
	3 months	0·17	0·13, 0·21	0·23	0·19, 0·27	0·20	0·13, 0·28
	6 months	0·18	0·14, 0·22	0·23	0·18, 0·27	0·25	0·15, 0·34
	12 months	0·17	0·14, 0·21	0·22	0·18, 0·26	0·20	0·13, 0·27
β-cryptoxanthin (µmol/l)*	n	12		16		13		0·07	0·67
	Baseline	0·08	0·05, 0·10	0·10	0·07, 0·13	0·07	0·05, 0·10
	3 months	0·07	0·06, 0·08	0·11	0·07, 0·15	0·08	0·05, 0·12
	6 months	0·08	0·06, 0·10	0·13	0·08, 0·17	0·08	0·04, 0·12
	12 months	0·07	0·05, 0·08	0·11	0·08, 0·14	0·09	0·05, 0·13
EPA (% of total)*	n	10		16		12		0·08	0·59
	Baseline	1·43	0·82, 2·05	1·26	0·75, 1·77	1·15	0·86, 1·44
	3 months	1·41	0·91, 1·91	1·40	1·14, 1·66	1·55	1·25, 1·85
	6 months	1·61	1·01, 2·22	1·58	1·18, 1·98	1·43	1·10, 1·76
	12 months	1·10	0·86, 1·33	1·46	1·11, 1·82	1·35	1·00, 1·70

PSG, peer support group; DSG, dietitian support group; MSG, minimal support group.

^*Variable required log transformation and presented as geometric mean (95 % CI). Results obtained from repeated measures ANOVA and presented as means (95 % CI).