Tea Consumption, Alcohol Drinking and Physical Activity Associations with Breast Cancer Risk among Chinese Females: a Systematic Review and Meta-analysis

Gao, Ying; Yu, Haojun; Liu, Xue Ou; Chen, Chuan; Dai, Hong; Song, Feng; Wang, Jing; Chen, Kexin; Wang, Yao Gang

doi:10.7314/apjcp.2013.14.12.7543

Cited by 38 publications

(31 citation statements)

References 55 publications

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“…They found that regular exercise was associated with a decreased risk of breast cancer (OR=0.78, 95%CI 0.68-0.98). Interestingly, analysis by type of activity revealed significant protective effects for women who reported the highest levels of walking for shopping (OR=0.58, 95%CI 0.38-0.88) (Sangrajrang et al, 2013), the authors concluded that recreational PA has protective effects and the primary prevention of breast cancer should be promoted in an integrated manner including engagement of women in PA. Also Gao et al (2013) confirmed the previous findings regarding PA and breast cancer risk reduction, they have found an inverse association between regular PA and breast cancer risk, physical activities are significantly associated with a decreased risk of breast cancer in Chinese females (Gao et al, 2013). Tyyem et al (2013) included 232 Jordanian patients diagnosed with CRC with matched 271 population controls.…”

Section: Discussionsupporting

confidence: 66%

“…LTPA is also more likely to be intentional and at moderate and vigorous intensity than the majority of daily household and occupational activities (Kushi et al, 2006). LTPA is a logical target for population health interventions aimed at cancer prevention (Friedenreich et al, 2010;Gao et al, 2013;Sangrajrang et al, 2013). Awareness about the protective role that PA exerts against cancer is important, greater knowledge may promote more individuals to engage in regular PA. Studies (Jalleh et al, 2005;Graham et al, 2006) have shown that informing people about the link between PA and colon cancer increases the motivation to be more physically active and may also increase the actual engagement in physical activities.…”

Section: Introductionmentioning

confidence: 99%

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Physical Activity and Cancer Prevention: Awareness and Meeting the Recommendations among Adult Saudis

Amin

Al-Hammam²,

AlMulhim³

et al. 2014

Asian Pacific Journal of Cancer Prevention

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Background: There is a scarcity of information about the proportion of the adult Saudi population that meet the recommended guidelines of physical activity (PA) to reduce cancer risk. Moreover, their awareness about the role of PA in cancer prevention is unclear. Objectives: This cross-sectional study aimed at estimating the proportion of adult Saudis meeting the PA guidelines, specifically those recommended by American Cancer Society (ACS) for cancer prevention, and to assess the public awareness about the role of PA in cancer prevention. Materials and Methods: Using a multistage sampling method, 2,127 adult Saudis of both genders were recruited from 6 urban and 4 rural primary health care centers in Al Hassa, Saudi Arabia. Participants were personally interviewed to gather information about their sociodemographic characteristics, searching activity about PA and cancer, and the time spent in leisure time PA (moderate and vigorous)/week using the Global Physical Activity Questionnaire with show cards. Finally, items about the role of PA in cancer risk reduction were inquired. Results: Of the included participants, 11.6% met the recommendations for cancer prevention (≥45 minutes of moderate-vigorous PA activity/≥5 days/week or 225 minutes/week). Multivariate regression showed that being male (AOR=1.49, CI=1.09-2.06), <20 years of age (AOR=3.11, CI=2.03-4.76), and unemployed (AOR=2.22, CI=1.57-3.18) were significant predictors for meeting PA recommendations for cancer prevention. Only 11.4% of the sample indicated correctly the frequency and duration of PA required for an average adult to be physically active and while >70% of them indicated the role of PA in prevention of hypertension, coronary heart disease and lowering elevated blood cholesterol, only 18.6% and 21.7% correctly mentioned the role of PA in reducing colon and breast cancer risk, respectively. Poor knowledge was found among those with less than college education and aged ≥50 years. The level of knowledge was significantly positively correlated with total leisure time PA of the participants. Conclusions: A minority of adult Saudis in Al Hassa was aware about the role of PA in cancer prevention and engaged in sufficient LTPA for cancer risk reduction benefits, highlighting the need for public health actions to include policies and programs that address factors deterring their participation in LTPA and increasing their awareness with remedies to manage the prevalent misconceptions.

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Section: Discussionsupporting

confidence: 66%

Section: Introductionmentioning

confidence: 99%

Physical Activity and Cancer Prevention: Awareness and Meeting the Recommendations among Adult Saudis

Amin

Al-Hammam²,

AlMulhim³

et al. 2014

Asian Pacific Journal of Cancer Prevention

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“…Turning to tea consumption, several animal experiments have suggested that green tea, which contains abundant polyphenols and catechins, specifically epigallocatechin-3-gallate (EGCG)5, might have a protective effect against cancers (Ahmad et al, 1999;Lambert, 2013;Yu et al, 2014). Gao et al's research showed that tea consumption was significantly associated with decreased risk of breast cancer in Chinese females, and the OR was 0.79 (95%CI: 0.65-0.95) (Gao et al, 2013). Zhou et al's systematic review revealed that green tea consumption was not associated with the risk of GC in both males and females with pooled odds ratio (OR) of 1.10 (95%CI: 0.76-1.60) and 0.99 (95%CI: 0.64-1.51) respectively (Zhou et al, 2008).…”

Section: Introductionmentioning

confidence: 99%

Association of Risk of Gastric Cancer and Consumption of Tobacco, Alcohol and Tea in the Chinese Population

Tong

Liang²,

Chai³

et al. 2014

Asian Pacific Journal of Cancer Prevention

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This study aimed at summarizing epidemiological research findings on associations between tobacco, alcohol and tea consumption and risk of gastric cancer (GC) in the Chinese population. The review searched PubMed, Embase, China National Knowledge Infrastructure (CNKI) and China Biology Medicine (CBM) databases and reference lists of review papers for all studies published in English or Chinese languages. Information extracted, via two independent researchers, from retrieved articles included first author, year of publication, study design, sample size, source of controls and adjusted odds ratio (OR) or relative risk (RR) with the corresponding 95% confidence intervals (CIs) for each category. Statistical analyses used software STATA version 12.0. The systematic search found 89 articles containing 25,821 GC cases and 135,298 non-cases. The overall random effects in terms of pooled OR and 95%CI for tobacco, alcohol and tea consumption were 1.62 (95%CI: 1.50-1.74), 1.57 (95%CI: 1.41-1.76) and 0.67 (95%CI: 0.59-0.76) respectively; while the heterogeneity among included studies ranged from 80.1% to 87.5%. The majority of subgroup analyses revealed consistent results with the overall analyses. All three behavioral factors showed statistically significant dose-dependent effects on GC (P<0.05). The study revealed that tobacco smoking and alcohol drinking were associated with over 1/2 added risk of GC, while tea drinking conferred about 1/3 lower risk of GC in the Chinese population. However, these results should be interpreted with caution given the fact that most of the included studies were based on a retrospective design and heterogeneity among studies was relatively high.

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“…Also, a meta-analysis of all published studies from 1982 to 1997 (17 studies for vegetables and 12 for fruits included) confirmed the protective effect of vegetables against breast cancer, although a lack of association between fruits intake and breast cancer (RR=0.75,respectively) (Gandini et al, 2000). In turn, a systematic review and meta-analysis by Gao et al (2013) focused on the association between regular tea consumption and breast cancer risk reported that tea drinkers had decreased risk by a 21%.…”

Section: Discussionmentioning

confidence: 99%

Association between Vegetable, Fruit and Carbohydrate Intake and Breast Cancer Risk in Relation to Physical Activity

Kruk¹

2014

Asian Pacific Journal of Cancer Prevention

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Tea Consumption, Alcohol Drinking and Physical Activity Associations with Breast Cancer Risk among Chinese Females: a Systematic Review and Meta-analysis

Cited by 38 publications

References 55 publications

Physical Activity and Cancer Prevention: Awareness and Meeting the Recommendations among Adult Saudis

Physical Activity and Cancer Prevention: Awareness and Meeting the Recommendations among Adult Saudis

Association of Risk of Gastric Cancer and Consumption of Tobacco, Alcohol and Tea in the Chinese Population

Association between Vegetable, Fruit and Carbohydrate Intake and Breast Cancer Risk in Relation to Physical Activity

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