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. 2023 Aug 23;23:782. doi: 10.1186/s12885-023-11218-1

Table 1.

The characteristics of included studies and involved participants

Study Region Sample size Age (years) Sex Exposure definition Comparisons Follow-up (years) Adjustment factors Outcome Study quality
Nomura 1990 (JAH) [23] USA 7,990 ≥ 18 Men and women FFQ Quintiles 17.5 Age GC 6
Bostick 1994 (IWHS) [24, 25] USA 35,216 55–69 Women FFQ Quintiles 5.0 Age, EI, height, parity, vitamin E, vitamin A CC, PC 8
Kato 1997 (NYUWHS)[26] USA 14,727 34–65 Women FFQ Quartiles 7.1 Age, EI, history of rectal colon polyps CRC 6
Singh 1998 (AHS) [27] USA 32,051 ≥ 25 Men and women FFQ Median 6.0 Age, sex, BMI, PI,parental history of CC, smoking,alcohol, aspirin use CC 7
Galanis 1998 (JRH) [28] USA 11,907 ≥ 18 Men and women FFQ Median 14.8 Age, education, Japanese place of birth, smoking,alcohol GC 7
Knekt 1999 (FMCHES)[29, 30] Finland 9,985 15–99 Men and women Dietary history Quartiles 24.0 Age, sex, municipality, smoking, EI CRC, GC, CC, RC 6
Pietinen 1999 (ATBC) [31, 32] Finland 27,111 50–69 Men FFQ Quartiles 8.0 Age, supplement group, smoking, BMI,alcohol,education, PA, calcium intake CRC, PC 9
Isaksson 2002 (STR) [33] Sweden 21,884 56 Men and women FFQ Tertiles 16.0 Age, sex, smoking PC 6
Flood 2003 (BCDDP) [34] USA 45,496 61.9 Women FFQ Quintiles 8.5 EI, total meat intake CRC 8
Michaud 2003 (NHS)[25] USA 88,802 30–55 Women FFQ Quintiles 18.0 Age, smoking, BMI, history of diabetes,EI, height, PA,menopausal status PC, RC, CC, CRC, HCC 8
Lin 2004 (WHS) [36] USA 37,547 ≥ 45 Women FFQ Quintiles 8.7 Age, random treatment assignment, BMI,family history of CRC,history of colorectal polyps, PA, smoking,alcohol, HRT,EI CRC 8
Wei 2004 (HPFS) [3740] USA 46,632 40–75 Men FFQ Quintiles 14.0 Age, family history,BMI, PA,alcohol, calcium intake, folate intake,height, smoking,history of endoscopy,beef/pork/lamb as amain dish RC, CC, CRC, HCC 8
English 2004 (MCCS) [41] Australia 37,112 27–75 Men and women FFQ Quartiles 9.0 Age, sex, country of birth, EI, fat intake, cereal product intake CRC, RC, CC 9
Chao 2005 (CPS II) [42, 43] USA 148,610 50–74 Men and women FFQ Quintiles 9.0 Age, EI,education, BMI,smoking, PA, multivitamin use, aspirin use, beer,wine,liquor, HRT,fruit intake, vegetable intake, high-fiber grain food intake RC, CC, PC 9
Larsson 2005 (SMC) [4446] Sweden 61,433 40–75 Women FFQ Quartiles 13.9 Age, BMI, education, EI, alcohol, saturated fat intake, calcium intake, folate intake, fruit intake, vegetable intake, whole-grain food intake CRC, RC, GC, PC 7
Norat 2005 (EPIC) [47, 51] Europe 478,040 21–83 Men and women FFQ Quintiles 4.8 Age, sex, center,EI,height, weight,PA,smoking, dietary fiber intake, alcohol intake CRC, RC, CC, GC, EC, PC, HCC 9
Sauvaget 2005 (LSS) [52] Japan 38,576 34–98 Men and women FFQ Tertiles 20.0 Age, sex, city, radiation dose, smoking, education GC 7
Nöthlings 2005 (MEC) [5355] USA 190,545 45–75 Men and women FFQ Quintiles 7.0 Age, sex, ethnicity, history of diabetes,family history of PC,smoking, EI PC, CRC 8
Berndt 2006 (CLUE II) [56] USA 1,583 48.5 Men and women FFQ Tertiles 13.5 Age, race, EI CRC 6
Kabat 2007 (CNBSS) [57] Canada 49,654 40–59 Women FFQ Quintiles 16.4 Age, BMI, menopausalstatus, OC use, HRT,dietary fat intake, fiber intake, folic acid intake, EI,smoking, alcohol, education, PA CRC, RC, CC 7
Cross 2007 (NIH-AARP) [5863] USA 494,036 50–71 Men and women FFQ Quintiles 8.2 Age, sex, education, marital status, family history of cancer, race, BMI, smoking, PA, EI, alcohol, fruit and vegetable intake ES, GC, CRC, HCC, PC 9
Butler 2008 (SCHS) [64, 65] Singapore 61,321 45–74 Men and women FFQ Quartiles 10.0 Age, sex, dialect group,interview year, history of diabetes, smoking,BMI, alcohol,education, PA, family history of CRC, EI CRC, HCC 8
Lee 2009 (SWHS) [66] China 73,224 40–70 Women FFQ Quintiles 7.4 Age, education,income, survey season,tea intake, NSAID use,EI, fiber intake CRC, RC, CC 8
Heinen 2009 (NLCS) [67-69 Netherlands 3,980 55–69 Men and women FFQ Quintiles 13.3 Age, energy intake, sex, smoking, alcohol, history of diabetes, history of hypertension, BMI,vegetable intake, fruit intake PC, GC, EC, CRC, RC, CC 7
Wie 2014 (CSEC) [70] Korea 8,024 48.4 Men and women 3-days food records Median 7.0 Age, sex, EI, BMI, PA,smoking,alcohol use, income,education, marital status CRC, GC 7
Nomura 2016 (BWHS) [71, 72] USA 49,103 21–69 Women FFQ Tertiles 15.1 Age, geographic regionof residence, EI, smoking, family history of CRC, education,menopausal status,diabetes, insulin use,aspirin use,colonoscopy, sigmoidoscopy, alcohol, BMI CRC, CC, PC 8
Hastert 2016 (VITAL) [73] USA 66,920 50–76 Men and women FFQ Median 7.6 Age, education,race/ethnicity, receipt of colonoscopy orsigmoidoscopy, family history of CC or RC, NSAID use, history of cancer other than CRC, EI CRC 7
Jones 2017 (UKWCS) [74] UK 32,154 52 Women FFQ Quintiles 17.4 Age, BMI, EI, PA, smoking,socioeconomic status,family history of CRC CRC, RC, CC 8
Wada 2017 (Takayama) [75] Japan 30,331 ≥ 35 Men and women FFQ Quartiles 16.0 Age, height, BMI,PA,smoking, education,aspirin use, alcohol, fiber intake,calcium intake, vitamin D intake, EI CRC, RC, CC 7
Pang 2018 (CKB) [76] China 512,891 30–79 Men and women FFQ Median 9.0 Age, sex, study area, education, smoking,alcohol, BMI, PA PC 8
Diallo 2018 (NSS) [77, 78] France 61,476 ≥ 35 Men and women 24-hour dietary records Quintiles 4.1 Age, sex, EI,alcohol, number of 24-hour dietary records, smoking,education, PA, height, BMI,family history of cancer, lipids intake,fruit intake, vegetable intake, number of children, red meat intake, processed meat intake CRC 7
Islam 2019 (pooled 6 studies) [79, 80] Japan 232,403 40–79 Men and women FFQ Quartiles ≥ 10.0

Age, area, history of diabetes, BMI,smoking, alcohol, PA, EI,

calcium intake, fiber intake

CRC, RC, CC 7
Mehta 2020 (Sister study) [81] USA and Puerto Rico 48,704 35–74 Women FFQ Quartiles 8.7 EI, BMI,education, PA, race/ethnicity,family history of CRC CRC, RC, CC 7
Nguyen 2020 (SMHS) [82] China 60,161 40–74 Men FFQ Quartiles 8.1 Sex, age, education,income levels,smoking, alcohol intake,multivitamin use, family history ofCRC, BMI, PA, EI,metabolic condition CRC, RC, CC 8
Barrubes 2020 (PREDIMED) [83] Spain 7,216 55–80 Men and women FFQ Quartiles 6.0 Age, sex, intervention group, smoking, family history of cancer,education, history of diabetes, EI,aspirin use, weight, PA, plant food intake, fast food and processed food intake, sugar-sweetened beverage intake, alcohol CRC 6
O’Sullivan 2020 (ATP) [84] Canada 26,460 50.9 Men and women Diet history questionnaire Tertiles 13.2 Age, sex, BMI, fruit and vegetable intake,alcohol, PA, smoking,ethnicity, household income, education,family history of CRC, red or processed meat intake CRC 7
Mejborn 2020 (DNSDPA) [85] Denmark 6,282 54.0 Men and women 7-day pre-coded food diaries Tertiles 10.8 Sex, education,ethnicity, smoking,PA,alcohol, BMI,EI CRC 6
Zhang 2020 (PLCO) [86] USA 95,962 55–74 Men and women Diet history questionnaire Tertiles 8.9 Age, sex, race, education, smoking, aspirin use, history of diabetes, family history of PC, EI,PA, weight, diet rich in whole grains,vegetables, fruit, and beans, ultra-processed food intake, sugar-sweetened drink intake,alcohol, breastfeeding PC 9
Knuppel 2020 (UK Biobank) [8790] UK 474,996 37–73 Men and women FFQ Quintiles 6.9 Age, region, ethnicity, deprivation,qualification, employment, living with spouse/partner, height, smoking, PA, alcohol, fruit and vegetable intake, cereal fiber intake, cheese intake,milk added to tea/coffee/cereal, oily fish intake, non-oily fish intake, menopausal status, parity, HRT, OC use EC, GC, CRC, CC, RC, HCC, PC 8
Collatuzzo 2022 (GCS) [91] Iran 50,045 40–75 Men and women FFQ Quintiles 12.0 Age, sex, BMI, ethnicity, place of residence, education and hot tea consumption PC, EC, GC 7

*AHS Adventist Health Study, ATBC Alpha-Tocopherol, Beta-Carotene Cancer Prevention Study, ATP Alberta’s Tomorrow Project, BCDDP Breast Cancer Detection Demonstration Project, BMI Body mass index, CC Colon cancer, CKB China Kadoorie Biobank, CNBSS Canadian National BreastScreening Study, CRC Colorectal cancer, CSEC CancerScreening Examination Cohort of the National Cancer Centerof Korea, EI Energy intake, EPIC European Prospective Investigation into Cancerand Nutrition, FFQ Food-frequency questionnaire, GC Gastric cancer, GCS Golestan Cohort Study, HPFS Health Professionals Follow Up Study, HRT Hormone replacement therapy, IWHS Iowa Women’s Health Study, JAH Japanese Ancestry in Hawaii, JRH Japanese residents of Hawaii, LSS Life Span Study, MCCS Melbourne Collaborative Cohort Study, MEC Multiethnic Cohort Study, NHS Nurses’ Health Study, NIH-AARP National Institutes of Health-American Association for Retired Persons, NLCS Netherlands Cohort Study, NSS NutriNet-Sante Study, NYUWHS New York University Women’s Health Study, PA Physical activity, PC Pancreatic cancer, PLCO Prostate, Lung, Colorectal, and Ovarian Cancer Screening Trial, PREDIMED Spanish PREvencion con DIeta MEDiterranea, RC Rectal cancer, SCHS  Singapore Chinese Health Study, SMC Swedish Mammography Cohort, STR Swedish Twin Registry, SWHS Shanghai Women’s Health Study, UKWCS UK Women’s Cohort Study, VITAL VITamins And Lifestyle, WHS Women’s Health Study