Objective  To ascertain tobacco use, secondhand smoke exposure, work environ-ment tobacco control, and awareness of tobacco hazards in groups at high-risk of chronic diseases, providing scientific basis for further formulating intervention strategies suitable for tobacco control and health management for this population.

Methods  A questionnaire survey and physical examinations were used to investigate the tobacco situation of groups at high-risk of chronic diseases in two large en-terprises and institutions. Descriptive data analysis was performed using chi-square test and rank sum test. 

Results  A total of 868 participants were included in the study. The characteristic with the highest detection rate was smoking, accounting for 63.1%. The proportion of men who smoke was significantly higher than that of women, and the difference was statistically significant (χ2=182.630, P<0.01). The percentage of people at high risk for chronic diseases who smoke daily tends to rise with age, and the highest proportion of daily smoking was in the 56-60 age group. Among the groups at high-risk of chronic diseases, exposure to secondhand smoke was significantly higher in men than women, this was statistically significant (χ2=11.979, P<0.01). The proportion of women who believed that smoking could cause serious diseases and that secondhand smoking could cause coronary heart disease and lung can-cer was significantly higher than that of men (P<0.05). The methods of tobacco control were not very effective, although there were anti-smoking signs and tobacco control related publicity. 

Conclusion  The smoking rate among groups at high-risk of chronic diseases was relatively high, and the status of secondhand smoke exposure and awareness of tobacco hazards was not the best. Measures such as the use of non-smoking signs, raising the level of knowledge about tobacco hazards, and the introduction and enforcement of relevant laws and regulations should be further promoted to reduce smoking rates and secondhand smoke exposure rates.

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