[Alcohol, tobacco and colorectal adenomas and cancer. Case-control study in a population with positive fecal occult blood tests].

Objective: To analyze the associations between lifestyle factors and colorectal adenomas or cancers in a population 50-74 years old.

Method: The study population underwent colonoscopy after positive fecal occult blood test in Health examination centers of the French general health insurance. The two sets of cases (n= 674 cancers, n=2618 adenomas) were compared with controls (n=5456).

Colorectal cancer screening in Health Examination Centers.

Objectives: The aim of this study was to describe the results of colorectal cancer screening performed in the Health Examination Centers of the French general health insurance system.

Methods: The population consisted of 1,262,833 subjects (52.6% men) aged 50 to 74 years old who attended periodic health consultations from 1998 to 2003 in 89 Health Examination Centers in France.

[Colorectal cancer: assessment of two-yearly screening of the population in health care examination centres].

Objective: To present the first assessment of the two-yearly faecal occult blood test used to screen patients attending health care centres for examinations. Method The Hemoccult II test was proposed by correspondence to 26 530 subjects aged 52-74 years, having exhibited a negative test during their periodical check-up 2 years before.

Results: The test was performed by 20 590 subjects and the corrected participation rate, taking into account unjustified sending, was of 83.

Evaluation of the quality of coding of job episodes collected by self questionnaires among French retired men for use in a job-exposure matrix.

Background: and

Aims: The ESPACES study was intended to identify retirees who may have been, according to their job descriptions, exposed to asbestos during their working lives. As part of this study, we analysed the quality of the occupation and activity sector coding as well as its effect on the subjects' exposure status.

Methods: The occupation and activity sector for a sample of 450 retired men were coded twice (with the second coder blinded to the first result), according to the international codes for industries (ISIC-1975) and occupations (ISCO-1968).

[Three-year follow-up of infraclinical hypothyroidism: course in a cohort of 97 women aged 45 to 70 years attending healthcare screening centers].

Infraclinical hypothyroidism is a recognized entity defined in terms of laboratory results which occurs more readily in women. The appropriateness of thyroid hormone multicentric prospective study initiated in 1997 has established that infraclinical hypothyroidism occurred in about 3% of women over 45 years of age undergoing routine check-ups at eleven health screening centers. Associated clinical signs and laboratory findings were reported.