Table 4.

Numbers of cases and controls available for each food category included in the Bladder cancer Epidemiology and Nutritional Determinants study (BLEND)

	All Countries				Europe				America				Asia
	Men		Women		Men		Women		Men		Women		Men		Women
Food category (number of studies)	Ca N	Co N	Ca N	Co N	Ca N	Co N	Ca N	Co N	Ca N	Co N	Ca N	Co N	Ca N	Co N	Ca N	Co N
Case–control studies
Milk and milk products (13) [10–17, 19, 20, 23, 25, 26]	4,734	9,251	1,388	7,442	1,231	1,514	266	783	2,838	7,005	962	6,464	665	732	160	195
Eggs and eggs products (11) [10–13, 15, 16, 19, 20, 23, 25, 26]	4,299	6,531	1,255	3,974	1,230	1,512	265	781	2,436	4,141	839	3,034	633	605	151	159
Meat and meat products (12) [10–13, 15–17, 19, 20, 23, 25, 26]	4,699	9235	1,377	7,716	1,231	1,513	265	783	2,833	7,114	961	6,774	635	608	151	159
Fish and fish products (11) [11–13, 15–17, 19, 20, 23, 25, 26]	3,197	7,391	960	7,144	1,229	1,511	265	781	1,335	5,275	544	6,204	633	605	151	159
Fats and oils (7) [10–13, 16, 19, 26]	2,299	2,292	634	984	371	500	94	419	1,689	1,559	484	506	239	233	56	59
Grain and grain products (11) [10–13, 16, 17, 19, 21, 23, 25, 26]	4,050	8,481	1,209	7,404	574	721	94	424	2,841	7,153	964	6,821	635	607	151	159
Pulses, seeds and nut products (8) [11–13, 16, 19, 23, 25, 26]	2,108	4,255	715	3,270	371	499	94	421	1,106	3,151	470	2,690	631	605	151	159
Vegetables (13) [10–13, 15–17, 19–21, 23, 25, 26]	4,942	10,086	1,403	8,648	1,429	1,727	265	783	2,881	7,754	987	7,706	632	605	151	159
Fruit and fruit products (13) [10–13, 15–17, 19–21, 23, 25, 26]	4,860	9,307	1,376	7,615	1,414	1,713	265	781	2,814	6,989	960	6,675	632	605	151	159
Sugar products (7) [12, 13, 16, 18, 19, 23, 26]	1,613	3,438	582	3,020	446	591	105	463	935	2,615	421	2,499	232	232	56	58
Beverages (18) [10–27]	5,509	10193	1,538	7,640	1,814	2,269	357	926	3,030	7,192	1,021	6,519	665	732	160	195
Cohort studies
Milk and milk products (6) [28–34]	2,615	184,424	1,159	422,716	2,495	146,183	835	384,864	86	35,753	314	33,742	34	2,488	10	4,110
Eggs and eggs products (6) [28–34]	2,585	184,284	1,147	421,392	2,465	146,039	823	383,535	86	35,753	314	33,742	34	2,492	10	4,115
Meat and meat products (6) [28–34]	2,614	184,420	1,156	422,122	2,494	146,171	832	384,262	86	35,753	314	33,742	34	2,496	10	4,118
Fish and fish products (6) [28–34]	2,613	184,406	1,157	421,976	2,493	146,157	833	384,116	86	35,753	314	33,742	34	2,496	10	4,118
Fats and oils (6) [28–34]	2,527	181,544	1,130	421,335	2,420	146,029	810	384,710	86	35,753	314	33,742	21	1,762	6	2,883
Grain and grain products (6) [28–34]	2,618	184,446	1,158	422,738	2,498	146,194	834	384,876	86	35,753	314	33,742	34	24,99	10	4,120
Pulses, seeds and nut products (6) [28–34]	2,563	184,228	1,143	420,368	2,443	145,984	819	382,512	86	35,753	314	33,742	34	2,491	10	4,114
Vegetables (6) [28–34]	2,616	184,432	1,157	422,236	2,496	146,184	833	384,376	86	35,753	314	33,742	34	2495	10	4118
Fruit and fruit products (6) [28–34]	2,607	184,416	1,155	421,526	2,487	146,170	831	383,666	86	35,753	314	33,742	34	2493	10	4118
Sugar products (5) [28–30, 32–34]	2,556	181,860	1,143	417,615	2,470	146,107	829	383,873	86	35,753	314	33,742	0	0	0	0
Beverages (6) [28–34]	2,630	187,445	1,172	424,778	2,497	146,190	835	384,868	99	38,760	327	35,793	34	2495	10	4117

Abbreviations: Ca cases, Co controls, N number