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1.
Cigarette smoking and alcohol consumption, known to cause free radical generation and lipid peroxidation, are established risk factors for larynx cancer. Malondialdehyde (MDA) is a naturally occurring product of lipid peroxidation, capable of interacting with DNA to form exocyclic MDA-DNA adducts. In the present study, we investigated if the production of MDA-DNA adducts was increased in larynx cancer patients with respect to controls using (32)P-DNA postlabeling techniques. Moreover, we examined the potential effects of cigarette smoking and alcohol consumption on endogenous DNA adducts. We then analyzed the same set of larynx tissues for the presence of (32)P-postlabeled aromatic DNA adducts to determine more about the levels and types of adducts formed in the larynx. We observed that cancer patients tended to have increased levels of MDA and aromatic DNA adducts with respect to controls. In addition, smoking and alcohol were found to influence the formation of endogenous adducts in the larynx tissues. Finally, the amounts of endogenous adducts were found to be comparable to those observed for aromatic DNA adducts in the same set of larynx tissues. These findings imply that endogenous lesions, if not repaired, may contribute to larynx cancer development. 相似文献
2.
《Cancer epidemiology》2013,37(3):284-289
BackgroundResults on the relationship between coffee and tea drinking and the risk of oral cavity cancer are contrasted.The aim of this study was to evaluate the relation between coffee and tea drinking and the risk of oral cavity cancer in France, a high incidence area.Material and methodsWe conducted a population based case–control study with face-to-face interviews and standardized questionnaires (the ICARE study, Investigation of occupational and environmental causes of respiratory cancers). We used data from 689 cases of oral cavity squamous cell carcinoma and 3481 controls. Odds-ratios (ORs) and 95% confidence intervals (95% CI) associated with tea and coffee consumption (quantity, duration, cumulative consumption) were estimated by unconditional logistic regression with adjustment for age, gender, area of residence, education, body mass index, tobacco smoking and alcohol drinking.ResultsWe observed inverse associations between oral cavity cancer and tea or coffee consumption (odds ratio, 0.39; 95% CI 0.21–0.70, for the highest quartile of tea consumption, and 0.60, 95% CI 0.34–1.05, for the highest quartile of coffee consumption). Exclusive tea or coffee consumption was associated with a reduced risk of oral cavity cancer and their joint effect was multiplicative. No differences in risk between men and women or between consumers of tobacco and alcohol and non-consumers were observed. The odds ratios related to the subsites usually included in the oropharynx (soft palate and base of the tongue) did not differ significantly from that observed for the other subsites of the oral cavity.ConclusionsTea and coffee drinking may decrease the risk of oral cavity cancer through antioxidant components which play a role in the repair of cellular damages. These findings need further investigation in prospective studies and the underlying mechanisms in humans remain to be clarified. 相似文献
3.
BackgroundAlthough tobacco involuntary smoking is an established risk factor for lung cancer, the association with head and neck cancer (HNC) is not established. We aimed to investigate this potential association in an East Asian population.MethodsWe conducted a multicenter case-control study in East Asia including eight centers. We restricted our analysis to never tobacco smokers (303 cases and 459 controls) and to never tobacco smokers/never alcohol drinkers (243 cases and 403 controls).ResultsAmong never tobacco smokers, involuntary smoking was associated with a 1.47-fold increase in risk of HNC (95%CI = 1.02, 2.13) and a 1.8-fold increase in the risk of oral cavity cancer (95%CI = 1.14, 2.92). Among never tobacco smokers who were also never alcohol drinkers, increased risks were detected for more than 3 h per day of involuntary smoking exposure and for 15 or more years of exposure. A dose-response relation was suggested for frequency of exposure (p for trend = 0.014) and for years of exposure (p for trend = 0.010) for oral cavity cancer. We did not detect strong increases in the risk of the other HNC subsites.ConclusionsOur study supports the association between involuntary smoking and the risk of HNC. The association may be stronger for oral cavity cancer than for other HNC subsites. 相似文献
4.
BackgroundReduced tobacco consumption in the population has not been associated with reduced incidence rates of head and neck cancer in several countries.ObjectiveTo explore the associations between HNC and sociodemographic characteristics and lifestyle of former smokers from three Brazilian cancer centers.MethodsA multicenter case-control study was conducted with 229 former smokers diagnosed with squamous cell carcinoma of the oral cavity, oropharynx, larynx, and 318 controls (former smokers without head and neck cancer). Bivariate and multiple logistic regression analyses were conducted to estimate odds ratios (ORs) with a 95% confidence interval (CI).Results11–20 years after smoking cessation showed significant impact on HNC reduction (OR 0.22, 95% CI, 0.12–0.39), which reached 82% (95% CI, 0.09–0.35) among 20 + former smokers when compared to individuals who had stopped smoking for up to 5 years. A history of high-intensity smoking (>40 pack-years) increased HNC risk by 2.09 times (95% CI 1.13–3.89) when compared to subjects who smoked up to 20 pack-years. Past alcohol consumption (OR 1.99, 95% CI, 1.06–3.82) was also associated with head and neck cancer risk in former smokers when compared to no alcohol consumption. There was a decreased head and neck cancer risk in former smokers who had high school level of education (OR 0.38, 95% CI, 0.16–0.91) compared to illiterate former smokers; and former smokers with moderate intake of vegetables (OR 0.49, 95% CI, 0.28–0.85) and fruits (OR 0.43, 95% CI, 0.25–0.73) compared to those with low intake.ConclusionHead and neck cancer risk in former smokers decreases after 11 years after smoking cessation, former smokers with past alcohol consumption showed an increased risk of HNC. High school level of education and moderate intake of vegetables and fruits reduced HNC risk among former smokers. 相似文献
5.
Kaposi Sarcoma (KS) is endemic in several countries in Southern and Eastern Africa, relatively rare worldwide but a leading cancer among people living with HIV. KS has always been more common in adult males than females. We assessed the prevalence of known cancer modifying factors (parity, hormonal contraceptive use in females, sex-partners, smoking and alcohol consumption in both sexes), and their relationship to KS, and whether any of these could account for the unequal KS sex ratios. We calculated logistic regression case-control adjusted odds ratios (ORadj), and 95% confidence intervals (95%CI), between KS and each of the modifying factors, using appropriate comparison controls. Controls were cancer types that had no known relationship to exposures of interest (infection or alcohol or smoking or contraceptive use). The majority of the 1275 KS cases were HIV positive (97%), vs. 15.7% in 10,309 controls. The risk of KS among those with HIV was high in males (ORadj=116.70;95%CI=71.35–190.88) and females (ORadj=93.91;95%CI=54.22–162.40). Among controls, the prevalence of smoking and alcohol consumption was five and three times higher in males vs. females. We found a positive association between KS and heavy vs. non-drinking (ORadj=1.31;95%CI=1.03–1.67), and in current heavy vs. never smokers (ORadj=1.82;95%CI=1.07–3.10). These associations remained positive for alcohol consumption (but with wider CIs) after stratification by sex, and restriction to HIV positive participants. We found no evidence of interactions of smoking and alcohol by sex. Smoking and alcohol consumption may provide a possible explanation for the KS sex differences, given both exposures are more common in men, but confounding and bias cannot be fully ruled out. The role smoking and alcohol play in relation to viral loads of HIV/KSHV, differences in immunological responses or other genetic differences between males and females warrant further studies. 相似文献
6.
Objective: Alcohol and tobacco are the two major established environmental factors associated with squamous cell carcinoma of the esophagus (ESCC). However, the prevalence of these exposures differs substantially between men and women. Moreover, the prevalence of smoking has declined in recent years, whereas per capita consumption of alcohol has remained steady in both sexes. Quantifying the burden of ESCC attributable to these causal factors is necessary to inform potential preventive strategies. Methods: We estimated the population attributable fraction (PAF) of ESCC due to smoking and alcohol, using data from an Australian population based case–control study (305 ESCC cases, 1554 controls). Results: Estimated PAF for ESCC were 49% (95% CI: 38–60) and 32% (95% CI: 25–40) due to smoking and heavy alcohol consumption respectively. More than 75% of the ESCC burden in men could be attributed to smokers with heavy alcohol consumption. The highest burden was among ≥30 pack years smokers who also consumed alcohol heavily (>17 drinks/week); this differed significantly between men (PAF 36%, 95% CI 29–44) and women (PAF 5%, 95% CI 2–10). Among women only, low intakes of fruit and vegetables accounted for about 9% of the ESCC burden. Conclusion: The burden of ESCC attributable to smoking combined with heavy alcohol consumption is remarkably high in men. In women, the burden of ESCC due to these factors is lower, and poor nutrition may also play a role. 相似文献
7.
The aim of the study was to assess the role of smoking and alcohol consumption as possible risk factors for vertebral deformities in an elderly Croatian population sample. Data on smoking habit, alcohol consumption, body mass index, and overall life activity were collected in 425 randomly chosen community dwelling subjects. Radiographic morphometric method was used to assess vertebral deformities of thoracic and lumbar spine. Men smoked and drank significantly more than women. There was no association of either smoking status or number of cigarettes, or frequency of alcohol intake with prevalent vertebral deformities. There was a tendency of an increased risk of vertebral deformities in heavy drinkers (OR = 1.69; 95% CI = 0.98-2.91), and a reduced risk of these deformities in female regular drinkers (OR = 0.72; 95% CI = 0.14-3.66). Further studies in the Croatian population are needed to establish the association of smoking and alcohol consumption with vertebral deformities. 相似文献
8.
James WH 《Journal of theoretical biology》2001,209(1):97-102
There are grounds for suspecting that, to varying degrees, smoking, alcohol consumption, oral contraceptive use, vasectomy and induced abortion are markers for high steroid hormone levels. So in epidemiological studies, false inferences may be drawn that these markers (treated as risk factors) have causal or exacerbating effects on diseases which are truly partially caused by high levels of hormones (e.g. probably prostatic cancer and breast cancer). Analogously, such studies of conditions which are truly partially caused by low levels of hormones (e.g. bone fractures, poor sperm quality, and perhaps testicular cancer and rheumatoid arthritis) may yield spurious suggestions of an ameliorative effect. The results of epidemiological studies of the above five "risk factors" for the above six pathologies are-in many cases-in striking disarray. I suggest that this is, at least partially, because of this form of confounding. The point may be tested by contrasting the hormone levels of people who self-select for smoking, vasectomy, etc., at the time that self-selection is made with those of appropriately selected control subjects. 相似文献
9.
10.
Páldy A Nádor G Vincze I Zsámbokiné Bakacs M Rajcsányi A Pintér A 《Magyar onkologia》2001,45(2):106-114
In evaluating the health state of the population one of the most reliable parameter is mortality. The development of statistical and spatial analytical methods gave a tool for evaluating mortality and morbidity in small areas. GIS mapping helps in the assessment of health state of small areas, to investigate causal relationship and create plans of intervention. Within the frames of the National Environmental Health Action Programme (NEHAP, 1996) a spatial statistical information system was elaborated. By the help of this system, mortality from cancer of the lip, oral cavity and pharynx (ICD-X.: C00-C14) was analysed for 1986-1997 and morbidity for 1997-1999 by computing standardised mortality and morbidity ratio. Regions with unfavourable mortality and morbidity were defined, statistical significance was tested. After age and gender stratification, a cluster analysis was also carried out. An international comparison of mortality was done as well. According to our data, mortality - most frequent in both sexes according to the international comparison - as well as morbidity showed a typical spatial distribution. An excess in mortality and morbidity is observable in the central part of the country, as well as in the Northern part and in traditional wine producing areas. The spatial accumulation of mortality is very similar to that of mortality from chronic liver diseases (ICD-X.: K70). In the primary prevention of oral cancer smoking cessation and the decrease of alcohol consumption is of great importance. Screening activity of GPs and dental doctors is of major importance in secondary prevention. 相似文献
11.
Saeid Doaei Fatemeh Bourbour Samira Rastgoo Mohammad Esmail Akbari Maryam Gholamalizadeh Azadeh Hajipour Alireza Moslem Fereshteh Ghorat Mostafa Badeli Seyedeh Elaheh Bagheri Atieh Alizadeh Zohreh Mokhtari Samaneh Pishdad Sepehr JavadiKooshesh Ghasem Azizi Tabesh Fateme Montazeri Parvin Joola Shahla Rezaei Masoomeh Dorosti Seyed Alireza Mosavi Jarrahi 《Journal of cellular and molecular medicine》2021,25(7):3252-3257
Contradictory results were reported on the effect of fat mass- and obesity-associated (FTO) gene and anthropometric measurements on breast cancer (BC). This study aimed to assess the interactions between rs9939609 polymorphism of FTO gene, anthropometric indices and BC risk in Iranian women. This case-control study was performed on 540 women including 180 women with BC and 360 healthy women in Tehran, Iran. Physical activity and dietary intakes were assessed by validated questionnaires. Data on sociodemographic and pathologic factors of the participants as well as their blood samples were collected. The rs9939609 FTO gene polymorphism was genotyped using the tetra-primer amplification refractory mutation system-polymerase chain reaction (T-ARMS-PCR). No significant association was found between BC and risk allele of FTO rs9939609 polymorphism after adjustments for the confounders. However, there was a significant association between rs9939609 polymorphism risk allele and BC risk in females with overweight, even after adjusting for age, family history of BC, abortion, BMI and the number of pregnancies (P < .05). The association was disappeared after further adjustments for lifestyle factors including smoking, alcohol consumption, calorie and macronutrients intake, and physical activity. The FTO gene polymorphism was associated with the risk of BC in overweight individuals. This association was influenced by environmental factors including diet, alcohol consumption and smoking. Future studies are required to confirm the association between the FTO gene and BC in overweight females and to identify the underlying mechanisms. 相似文献
12.
From 1960 to 1979 total annual consumption of tobacco in Papua New Guinea increased from 573 to 1800 metric tonnes. The annual consumption of tobacco per head increased from 2.78 to 6.14 kg, and the proportion of commercial cigarettes smoked is estimated to have increased from 20% to 71% of the total tobacco consumption. Between 1965 and 1979 the average annual age standardised incidence of reported cases of carcinoma of the oral cavity increased significantly in women (p less than 0.01) but not in men (p greater than 0.05). This rise might have been related to increasing consumption of tobacco or alcohol, or both, in individuals who habitually chewed betel nut. There was no significant change in the reported incidences of carcinoma of the larynx, lung, oesophagus, pancreas, kidney, or bladder. At present there are no constraints on the marketing of tobacco in Papua New Guinea. 相似文献
13.
Sze Hang Fu Prabhat Jha Prakash C. Gupta Rajesh Kumar Rajesh Dikshit Dhirendra Sinha 《PloS one》2014,9(7)
Background
Tobacco smoking and binge alcohol drinking are two of the leading risk factors for premature mortality worldwide. In India, studies have examined the geographic distributions of tobacco smoking and alcohol drinking only at the state-level; sub-state variations and the spatial association between the two consumptions are poorly understood.Methodology
We used data from the Special Fertility and Mortality Survey conducted in 1998 to examine the geographic distributions of tobacco smoking and alcohol drinking at the district and postal code levels. We used kriging interpolation to generate smoking and drinking distributions at the postal code level. We also examined spatial autocorrelations and identified spatial clusters of high and low prevalence of smoking and drinking. Finally, we used bivariate analyses to examine the spatial correlations between smoking and drinking, and between cigarette and bidi smoking.Results
There was a high prevalence of any smoking in the central and northeastern states, and a high prevalence of any drinking in Himachal Pradesh, Arunachal Pradesh, and eastern Madhya Pradesh. Spatial clusters of early smoking (started smoking before age 20) were identified in the central states. Cigarette and bidi smoking showed distinctly different geographic patterns, with high levels of cigarette smoking in the northeastern states and high levels of bidi smoking in the central states. The geographic pattern of bidi smoking was similar to early smoking. Cigarette smoking was spatially associated with any drinking. Smoking prevalences in 1998 were correlated with prevalences in 2004 at the district level and 2010 at the state level.Conclusion
These results along with earlier evidence on the complementarities between tobacco smoking and alcohol drinking suggest that local public health action on smoking might also help to reduce alcohol consumption, and vice versa. Surveys that properly represent tobacco and alcohol consumptions at the district level are recommended. 相似文献14.
BackgroundInformation on smoking and other health factors in head and neck cancer (HNC) patients throughout treatment, follow-up and survivorship is limited. This study explores patterns of multiple health factors during radiotherapy (RT) and naturalistic long-term follow-up in a convenience sample of patients with HNC.MethodsSmoking, alcohol use and depression were measured at baseline, 4 and 12 weeks post RT for a sub-group of 99 patients who participated in a randomised controlled trial and completed long-term follow-up. These factors plus healthy eating, physical activity and fatigue are also reported from the long-term follow-up component. Smoking was measured by self-report and biochemically, whilst all other variables were by self-report. Where variables were assessed at multiple time points logistic mixed effects regression models determined within-person changes over time.ResultsThere were important discrepancies between self-reported (4–7%) and biochemically verified (13–29%) rates of smoking. Rates of smoking and hazardous alcohol intake were significantly increased at follow-up compared to baseline. Depression rates were observed to be higher at end of RT compared to baseline. At long-term follow-up, fatigue was common and co-occurred with suboptimal healthy eating and hazardous alcohol use.ConclusionClinically important levels of smoking and alcohol consumption post RT in this sample suggest possible targets for intervention beyond treatment into long-term follow-up of patients. 相似文献
15.
Naoyoshi Nagata Ryota Niikura Takuro Shimbo Yoshihiro Kishida Katsunori Sekine Shohei Tanaka Tomonori Aoki Kazuhiro Watanabe Junichi Akiyama Mikio Yanase Toshiyuki Itoh Masashi Mizokami Naomi Uemura 《PloS one》2013,8(12)
Colonic diverticula are located predominantly on the right side in Asia and on the left side in Europe and the United States. Factors associated with uncomplicated colonic diverticulosis and its distribution pattern have been unknown. Our aims are to investigate the prevalence and risk factors for uncomplicated colonic diverticulosis. We conducted a prospective cross-sectional study in adults who underwent colonoscopy. Alcohol, alcohol related flushing, smoking, medications, and comorbidities were assessed by interview on the colonoscopy day. Alcohol consumption was categorized as nondrinker, light (1–180 g/week), moderate (181–360 g/week), and heavy (≥361 g/week). Smoking index was defined as the number of cigarettes per day multiplied by the number of smoking years and categorized as nonsmoker, <400, 400–799, and ≥800. A total of 2,164 consecutive patients were enrolled. Overall, 542 patients (25.1%) had uncomplicated colonic diverticulosis located on the right side (50%), bilaterally (29%), and on the left side (21%). Univariate analysis revealed age, male, smoking index, alcohol consumption, aspirin use, anticoagulants use, corticosteroid use, hypertension, and atherosclerotic disease as factors significantly associated with diverticulosis. Alcohol related flushing was not associated with the disease. Multivariate analysis showed increasing age (P<0.01), increasing alcohol consumption (P<0.01) and smoking (P<0.01), and atherosclerotic disease (P<0.01) as significantly associated factors. Alcohol and smoking were associated with right-sided and bilateral diverticula. In conclusion, one in four Japanese adults have colonic diverticulosis (50% right-sided). Age, alcohol consumption, and smoking were found to be significant risk factors for uncomplicated colonic diverticulosis, particularly right-sided and bilateral. 相似文献
16.
ObjectiveTo examine the association between occupational exposure to petroleum-based and oxygenated solvents and the risk of oral and oropharyngeal cancer.MethodsThe ICARE study is a large population-based case-control study conducted in France between 2001 and 2007. This present analysis was restricted to men and included 350 and 543 cases of squamous cell-carcinoma of the oral cavity and oropharynx, respectively, and 2780 controls. Lifetime tobacco, alcohol consumption and complete occupational history were assessed through detailed questionnaires. Job-exposure matrices allowed us to assess occupational exposure to five petroleum-based solvents (white spirits; diesel/fuel oils/kerosene; gasoline; benzene; special petroleum products) and five oxygenated solvents (diethyl ether; tetrahydrofuran; ketones and esters; alcohols; ethylene glycol). Odds-ratios (ORs), adjusted for age, smoking, alcohol consumption and socioeconomic status, and 95% confidence intervals (CI) were estimated using unconditional logistic models.ResultsAssociations between oral cancer risk and exposure to white spirits and diesel/fuel oils/kerosene were suggested, but there was no exposure-response trend. Concerning exposure to oxygenated solvents, participants with the highest levels of cumulative exposure to diethyl ether had a significant excess risk of oropharyngeal cancer (OR = 7.78, 95%CI 1.42 to 42.59; p for trend = 0.04). Ever exposure to tetrahydrofuran was associated with a borderline significant increased risk of oral cancer (OR = 1.87, 95%CI 0.97 to 3.61), but no exposure-response trend was observed. Additional adjustments for exposure to other solvents did not substantially change the results.ConclusionOur results do not provide evidence for a major role of petroleum-based and oxygenated solvents in the occurrence of oral and oropharyngeal cancers in men. 相似文献
17.
van Trier T. J. Mohammadnia N. Snaterse M. Peters R. J. G. Jørstad H. T. Bax W. A. Mackenbach J. D. 《Netherlands heart journal》2022,30(1):58-62
Netherlands Heart Journal - The high prevalence and burden of cardiovascular diseases (CVD) is largely attributable to unhealthy lifestyle factors such as smoking, alcohol consumption, physical... 相似文献
18.
Tobacco smoking, betel quid chewing and alcohol drinking are oral cancer risk factors. Observational studies unanimously report that oral cancer risk in smoking-drinking-chewing exposed subjects is exceptionally high. However, none of them assessed the fractions of this risk attributable to the three individual risk factors and to the smoking-drinking-chewing interaction. The present study sought to assess the magnitude of the smoking-drinking-chewing interaction effect on oral cancer. A meta-analysis of observational South-East Asian studies which reported oral cancer odds ratios (ORs) stratified for smoking-drinking-chewing exposures was performed. The pooled ORs were estimated and controlled for quality, heterogeneity, publication bias and inclusion criteria. The smoking-drinking-chewing interaction effect was estimated through the pooled Relative Excess Risk due to Interaction (RERI, excess risk in smoking-drinking-chewing exposed individuals with respect to the risk expected from the addition of the three individual risks of smoking, drinking and chewing). Fourteen studies were included with low between-study heterogeneity. The pooled ORs for smoking, drinking, chewing, smoking-drinking-chewing, respectively were 3.6 (95% confidence interval −95% CI, 1.9–7.0), 2.2 (95% CI, 1.6–3.0), 7.9 (95% CI, 6.7–9.3), 40.1 (95% CI, 35.1–45.8). The pooled RERI was 28.4 (95% CI, 22.9–33.7). Among smoking-drinking-chewing subjects, the individual effects accounted for 6.7% (smoking), 3.1% (drinking), 17.7% (chewing) of the risk, while the interaction effect accounted for the remaining 72.6%. These data suggest that 44,200 oral cancer cases in South-East Asia annually occur among smoking-drinking-chewing exposed subjects and 40,400 of these are exclusively associated with the interaction effect. Effective oral cancer control policies must consider concurrent tobacco smoking, alcohol drinking, betel quid chewing usages as a unique unhealthy lifestyle. 相似文献
19.
《PloS one》2014,9(12)
Plasma fibrinogen is an acute phase protein playing an important role in the blood coagulation cascade having strong associations with smoking, alcohol consumption and body mass index (BMI). Genome-wide association studies (GWAS) have identified a variety of gene regions associated with elevated plasma fibrinogen concentrations. However, little is yet known about how associations between environmental factors and fibrinogen might be modified by genetic variation. Therefore, we conducted large-scale meta-analyses of genome-wide interaction studies to identify possible interactions of genetic variants and smoking status, alcohol consumption or BMI on fibrinogen concentration. The present study included 80,607 subjects of European ancestry from 22 studies. Genome-wide interaction analyses were performed separately in each study for about 2.6 million single nucleotide polymorphisms (SNPs) across the 22 autosomal chromosomes. For each SNP and risk factor, we performed a linear regression under an additive genetic model including an interaction term between SNP and risk factor. Interaction estimates were meta-analysed using a fixed-effects model. No genome-wide significant interaction with smoking status, alcohol consumption or BMI was observed in the meta-analyses. The most suggestive interaction was found for smoking and rs10519203, located in the LOC123688 region on chromosome 15, with a p value of 6.2×10−8. This large genome-wide interaction study including 80,607 participants found no strong evidence of interaction between genetic variants and smoking status, alcohol consumption or BMI on fibrinogen concentrations. Further studies are needed to yield deeper insight in the interplay between environmental factors and gene variants on the regulation of fibrinogen concentrations. 相似文献
20.
The aims of our study were to investigate the prevalence of risk factors in persons with previously known diabetes ("old DM"), persons with diabetes developed during the 2003-2008 period ("new DM") and diabetes-free individuals within the CroHort study. Risk factors were defined as physical inactivity, unhealthy nutritional regimen, smoking and excessive alcohol consumption, while diabetes status was self-reported. The most prevalent risk factor in both "old DM" and "new DM" group was physical inactivity (46.7% and 33.7% in 2003; 46.8% and 46.3% in 2008), then smoking (12.1% and 14.6%; 12.7% and 14.4%), unhealthy diet (8.8% and 13.8; 8.2% and 10.0%) and heavy alcohol consumption (11.1% and 6.0%; 7.8% and 13.8%). Diabetes-free individuals had higher rates of smoking and unhealthy diet, and lower rates of alcohol consumption and physical inactivity than both diabetes groups. These results indicate the need for comprehensive actions oriented towards persons with diabetes concerning physical activity. 相似文献