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Association of employment and company size with lung cancer screening participation among Japanese based on the socioeconomic conditions using the Comprehensive Survey of Living Conditions

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Abstract

Background

The proportion of non-regularly employed persons has increased in Japan, but few studies have examined the relationship between employment status and lung cancer screening (LCS) participation.

Methods

Authors analyzed data from the 2010 Comprehensive Survey of Living Conditions in Japan. The anonymous responses of 28,951 people aged 40–69 years old were analyzed. Authors defined nine employment status categories: unemployed, regularly employed in a large-, middle-, and small-scale company, non-regularly employed in a large-, middle-, and small-scale company, self-employed, and other. LCS participation in the past year was surveyed through a self-reported questionnaire. Sex-specific prevalence ratios (PRs) and 95% confidence intervals (CIs) for LCS participation for all employment status categories, using the regularly employed in a middle-scale company category as the reference, were calculated using multivariable Poisson regression analysis, after adjusting for potentially confounding factors.

Results

Multivariable-adjusted PRs (95% CI) for LCS participation for the regularly employed in a large-scale company were 1.33 (1.25–1.41) in men and 1.53 (1.38–1.71) in women. Multivariable-adjusted PRs (95% CI) for LCS participation for the non-regularly employed in a middle- and small-scale company compared with the regularly employed in a middle-scale company were 0.81 (0.72–0.92) and 0.62 (0.50–0.76) in men, and 0.89 (0.80–0.99) and 0.80 (0.71–0.91) in women, respectively.

Conclusion

Regularly employed in a large-scale company had significantly higher LCS participation, and non-regularly employed in a middle- or small-scale company showed significantly lower LCS participation than those who were regularly employed in a middle-scale company.

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Funding

This research received no specific grant from any funding agency in the public, commercial, or not-for-profit sectors.

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Authors and Affiliations

  1. Department of Public Health, Juntendo University Graduate School of Medicine, 2-1-1, Hongo, Bunkyo-ku, Tokyo, 113-8421, Japan

    Mitsuya Maeda, Ronald Filomeno, Yumi Kawata, Tomoyo Sato, Koutatsu Maruyama, Motoki Endo, Hiroo Wada, Ai Ikeda & Takeshi Tanigawa

  2. Laboratory of Community Health and Nutrition, Special Course of Food and Health Science, Department of Bioscience, Graduate School of Agriculture, Ehime University, 3-5-7 Tarumi, Matsuyama, Ehime, 790-8566, Japan

    Koutatsu Maruyama

Authors
  1. Mitsuya Maeda
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  2. Ronald Filomeno
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  3. Yumi Kawata
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  4. Tomoyo Sato
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  5. Koutatsu Maruyama
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  6. Motoki Endo
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  7. Hiroo Wada
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  8. Ai Ikeda
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  9. Takeshi Tanigawa
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Contributions

MM and TS participated in the study concept and design, and interpretation of data, and drafting the manuscript. RF and YK participated in the interpretation and analysis of data. TT, AI, HW, ME and KM participated in the study concept and design, interpretation of data, and critically revised the manuscript.

Corresponding authors

Correspondence to Mitsuya Maeda or Takeshi Tanigawa.

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The authors declare that they have no conflict of interest.

Ethical approval

This survey was conducted according to the guidelines of the Declaration of Helsinki, and informed consent was obtained from all individual participants included in the study.

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Maeda, M., Filomeno, R., Kawata, Y. et al. Association of employment and company size with lung cancer screening participation among Japanese based on the socioeconomic conditions using the Comprehensive Survey of Living Conditions. Int J Clin Oncol 25, 670–680 (2020). https://doi.org/10.1007/s10147-019-01594-9

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  • DOI: https://doi.org/10.1007/s10147-019-01594-9

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