Occupational, environmental, and life-style factors associated with the risk of hematolymphopoietic malignancies in women

Miligi, Lucia; Costantini, Adele Seniori; Crosignani, Paolo; Fontana, A; Masala, Giovanna; Nanni, Oriana; Ramazzotti, Valerio; Rodella, Stefania; Stagnaro, Emanuele; Tumino, Rosario; Viganò, C; Vindigni, Carla; Víneis, Paolo

doi:10.1002/(sici)1097-0274(199907)36:1<60::aid-ajim9>3.0.co;2-z

Cited by 94 publications

(72 citation statements)

References 27 publications

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“…The few identified risk factors in adult leukaemia account for only a small proportion of cases and include ionising radiation, exposure to benzene, pesticides, immunosuppression, chemotherapy, and smoking (Miligi et al, 1999;Ross et al, 2002;Kasim et al, 2005). We found no significant association of smoking with leukaemia risk, the proportion of smokers being higher in the controls.…”

Section: Number Of Cupscontrasting

confidence: 53%

“…Odds ratios (ORs) of adult leukaemia and associated 95% confidence intervals (CIs) for green tea consumption as an explanatory variable were estimated using unconditional logistic regression. Multivariate models included potential confounders identified using univariate analysis and risk factors reported in other studies (Miligi et al, 1999;Ross et al, 2002;Kasim et al, 2005). …”

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confidence: 99%

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Possible protective effect of green tea intake on risk of adult leukaemia

Zhang

Zhao

et al. 2007

Br J Cancer

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In a case -control study of 107 adults with leukaemia and 110 orthopaedic controls in China, a reduced risk was found with longer duration, higher quantity, and frequency of green tea intake. Tea is one of the most frequently consumed beverages in the world (Graham, 1992). Different processing of tea leaves yields green, black, or Oolong tea. If tea leaves are immediately heated, then the enzymes that oxidise catechins are inactivated and the result is green tea; if crushed and allowed to undergo enzyme-mediated oxidation, the process results in black tea with its characteristic colour and taste. Oolong tea results from partially oxidised tea leaves (Graham, 1992).There is some evidence of a protective effect of green tea consumption on certain cancers (Zhang et al, 2002;2004;2007;Cabrera et al, 2006), but no epidemiological data are available on the effect of green tea on adult leukaemia. We therefore conducted a case -control study of the question in southeast China. MATERIALS AND METHODSA hospital-based case -control study was conducted in Hangzhou, southeast China. Eligible cases were defined as Chinese, over 15 years old and resident in Zhejiang Province with leukaemia, histopathologically confirmed according to the haematological standards (Zhang, 1998). They were identified by daily searching of medical records in haematology wards at two teaching hospitals of Zhejiang University in 2005 -2006; all medical records and laboratory reports were also reviewed to ensure complete ascertainment of cases. A total of 107 patients aged 16 -81 years were recruited, most (83.2%) were recent and were interviewed within 12 months of diagnosis. During the same period of data collection, 110 orthopaedic patients without leukaemia or other malignancy were randomly selected as controls to match the cases by age using a daily update of the list of cases. The project received approval from the hospital authorities and from the Human Research Ethics Committee of The University of Western Australia.Subjects were briefed regarding the aims of the study and confidentiality issues. After obtaining their consent, a face-to-face interview was conducted in the hospitals using a structured, validated questionnaire on (a) demography and lifestyle; (b) tea consumption; (c) hazard exposure and family history of malignancy. Most cases were recent patients interviewed within 3 -6 months of diagnosis. Details of leukaemia subtype and stage were retrieved from hospital records.Tea consumption was measured using a questionnaire adapted from our previous studies, its reproducibility evaluated in a testretest study where the intraclass correlation coefficient was 0.83 for tea (Zhang et al, 2005). Information was sought on preparation method, type of tea drank, duration of each type, frequency of cups (350 -400 ml), frequency of new batches of tea brewed, quantity of dried tealeaf consumed per year (in liang, equivalent to 50 g), and date of cessation. Frequency of cups was categorised as never or seldom, once a month, 2-3 times a month, once a...

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Section: Number Of Cupscontrasting

confidence: 53%

mentioning

confidence: 99%

Possible protective effect of green tea intake on risk of adult leukaemia

Zhang

Zhao

et al. 2007

Br J Cancer

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“…29,31,117,170,176,239,240 Findings among persons exposed to wood or leather dusts are inconsistent, with relative risk estimates both above 20,21,31,71,202,[241][242][243] and below 1.0. 31,35,71,170,176,200,244,245 One NHL death (2.4 expected) was observed in a study of workers exposed to creosote at 11 woodtreating plants in the US, 246 there was no significant excess of lymphosarcoma among US pulp and paper mill workers (SMR 5 1.19, 95% CI: 0.81-1.69). 247 Observed associations with exposure to metals have been variable: while most studies found no significant associations, 21,33,176,200,202,248,249 others reported significantly elevated risks.…”

Section: Occupational and Environmental Chemical Exposurementioning

confidence: 98%

“…269 In a large population-based case-control study, Miligi et al 35 reported no association with NHL risk among female textile workers (OR 5 1.1, 95 % CI: 0.8-1.5), although an excess was reported among knitters (OR 5 2.0, 95% CI: 1.0-3.9). Significant associations were not observed among textile workers in other case-control studies.…”

Section: Occupational and Environmental Chemical Exposurementioning

confidence: 99%