Mortality in relation to smoking history: 13 years' follow-up of 68,000 Norwegian men and women 35–49 years

Tverdal, Aage; Thelle, Dag S.; Stensvold, Inger; Leren, Paul; Bjartveit, K

doi:10.1016/0895-4356(93)90025-v

Cited by 168 publications

(111 citation statements)

References 19 publications

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“…26 Two other cohort studies 27,28 found a positive association between cigarettes smoked per day and ovarian cancer mortality, which was significant in the former, 27 but not in the latter study. 28 Some of the studies 7,8,11 in the review 6 support the notion that cigarette smoking may act as an initiator for serous/nonmucinous tumors because of the long period of time between the causal action of cigarette smoking and diagnosis. We find similar HR's among former and current smokers for serous tumors.…”

Section: Discussionmentioning

confidence: 99%

Cigarette smoking and risk of borderline and invasive epithelial ovarian cancer

Gram

Br̈aaten

Adami

et al. 2007

Intl Journal of Cancer

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Studies regarding the association between smoking and risk of epithelial ovarian cancer (EOC) are inconsistent. The purpose of this study was to examine the association between smoking and EOC, overall and according to invasiveness and histological subtype in a cohort of women with a high proportion of smokers at enrolment. We followed 103,081 women, aged 30-50 years in 1991/1992, from the Norwegian-Swedish Women's Lifestyle and Health cohort. The women completed a questionnaire on personal characteristics and exposures at enrolment and were subsequently followed with linkages to national registers through December 31, 2004. We used Cox proportional hazard regression models to estimate hazard ratio (RR) of EOC with 95% confidence intervals (CIs) associated with different measures of smoking exposures adjusting for confounding variables.

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Section: Discussionmentioning

confidence: 99%

Cigarette smoking and risk of borderline and invasive epithelial ovarian cancer

Gram

Br̈aaten

Adami

et al. 2007

Intl Journal of Cancer

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“…To reduce smoking is therefore a crucial factor in preventing disease and promoting health (1,2). The number of smokers in most countries in the western world is decreasing or constant.…”

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confidence: 99%

Smoking cessationA comparative, randomised study between management in general practice and the behavioural programme SmokEnders

Bakkevig

Steine

Hafenbrädl

et al. 2000

Scandinavian Journal of Primary Health Care

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“…However, many of these studies were small and did not control for characteristics common to both smokers and persons who commit suicide. 13,[15][16][17][18][19][20][21][22][23][24][25] For example, only 2 prospective studies with more than 20 suicides controlled for alcohol intake-and these yielded conflicting results. 18,22 In this article, we present data on more than 50 000 men followed up prospectively for 8 years.…”

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confidence: 99%

Cigarettes and suicide: a prospective study of 50,000 men

Miller

Hemenway²,

Rimm³

2000

Am J Public Health

123

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A B S T R A C TObjectives. This study examined the relation between smoking and suicide, controlling for various confounders.Methods. More than 50 000 predominantly White, middle-aged and elderly male health professionals were followed up prospectively with biennial questionnaires from 1986 through 1994. The primary end point was suicide. Characteristics controlled for included age, marital status, body mass index, physical activity, alcohol intake, coffee consumption, and history of cancer.Results. Eighty-two members of the cohort committed suicide during the 8-year follow-up period. In age-adjusted analyses with never smokers as the comparison group, the relative risk of suicide was 1.4 (95% confidence interval [CI] = 0.8, 2.3) among former smokers, 2.6 (95% CI = 0.9, 7.5) for light smokers (<15 cigarettes/day), and 4.5 (95% CI = 2.3, 8.8) among heavier smokers. After adjustment for potential confounders, the relative risks were 1.4 (95% CI = 0.9, 2.4), 2.5 (95% CI = 0.9, 7.3), and 4.3 (95% CI = 2.2, 8.5), respectively.Conclusion. We found a positive, dose-related association between smoking and suicide among White men. Although inference about causality is not justified, our findings indicate that the smoking-suicide connection is not entirely due to the greater tendency among smokers to be unmarried, to be seden- 1 Although the nature of the relation between cigarette smoking and disease has been most convincingly demonstrated for physical illness, several researchers have linked smoking to mental illness, especially depression. 2-14Almost a dozen studies have shown a significant association between smoking and suicide. However, many of these studies were small and did not control for characteristics common to both smokers and persons who commit suicide.13,15-25 For example, only 2 prospective studies with more than 20 suicides controlled for alcohol intake-and these yielded conflicting results. 18,22 In this article, we present data on more than 50 000 men followed up prospectively for 8 years. Our analysis controlled for several potentially important behavioral, situational, and demographic factors that have been identified in the suicide, smoking, and depression literature. In addition, the investigation evaluated the relation between suicide and smoking, while taking into account changes in smoking status during follow-up. The study also examined prospectively the contribution of developing cancer to the association between smoking and suicide.

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Mortality in relation to smoking history: 13 years' follow-up of 68,000 Norwegian men and women 35–49 years

Cited by 168 publications

References 19 publications

Cigarette smoking and risk of borderline and invasive epithelial ovarian cancer

Cigarette smoking and risk of borderline and invasive epithelial ovarian cancer

Smoking cessationA comparative, randomised study between management in general practice and the behavioural programme SmokEnders

Cigarettes and suicide: a prospective study of 50,000 men

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