Explaining educational differences in mortality: the role of behavioral and material factors

Area of Science:

• Public Health
• Socioeconomic Determinants of Health
• Epidemiology

Background:

• Educational attainment is a known predictor of mortality.
• Both behavioral and material factors are implicated in health disparities.
• The interplay and relative importance of these factors require further investigation.

Purpose of the Study:

• To examine the roles of behavioral and material factors in educational differences in all-cause mortality.
• To quantify the contribution of each factor type while accounting for their overlap.
• To determine the relative importance of behavioral versus material factors.

Main Methods:

• Utilized prospective data from 15,451 participants in a Dutch longitudinal study.
• Calculated relative hazards of all-cause mortality by educational level.
• Adjusted for multiple behavioral (e.g., smoking, BMI) and material (e.g., financial problems, employment) factors.

Main Results:

• Lower educational groups exhibited higher mortality rates.
• Behavioral factors (smoking, BMI, alcohol, physical activity) and material factors (financial problems, employment, income proxy) partially explained these differences.
• After accounting for overlap, material factors demonstrated greater importance than behavioral factors in explaining mortality disparities.

Conclusions:

• Material factors are the primary drivers of the association between education and mortality.
• Interventions aimed at improving individuals' material circumstances could significantly reduce educational inequalities in mortality.