Mortality among bricklayers and carpenters/cabinet makers

Area of Science:

• Occupational Health
• Epidemiology
• Public Health

Background:

• Occupational exposures to dust and organic solvents are common in trades like carpentry and bricklaying.
• Previous studies suggest potential links between specific occupational exposures and respiratory or other diseases.

Purpose of the Study:

• To investigate if higher exposure to dust and organic solvents among carpenters/cabinet makers increased lung disease mortality compared to bricklayers.
• To analyze occupational mortality patterns in two specific trade unions.

Main Methods:

• A cross-sectional study analyzing mortality data from 1971-1975.
• Included life-insured members under 67 from the union of carpenters/cabinet makers and the union of bricklayers.
• Death certificates were obtained and coded based on main and underlying causes of death.

Main Results:

• No significant mortality differences were found between the groups based on the main diagnosis at death.
• When considering underlying causes of death, bricklayers exhibited statistically significant increased death rates from larynx cancer, asthma, bronchitis, and emphysema compared to carpenters.
• Suicide rates were also noted as a significant difference in the initial analysis.

Conclusions:

• The observed increased mortality rates for certain conditions among bricklayers require further investigation.
• Potential explanations include confounding variables or "Healthy Worker" selection effects.
• Occupational mortality studies are sensitive to the selection of occupational groupings and study design.