Abstract
Obesity impacts the quality of life (HRQL). Studies about the effects of a possible interaction between gender and body mass are rare. The objective of the present paper is to estimate the biological interaction between gender and obesity on HRQL. This was a cross-sectional study based on data from CAMELIA study with population assisted by the Family Doctor Program of Niteroi visited between June 2006 and December 2007. HRQL was assessed by the SF-36. The exposure categories were: obese women, non-obese women, obese men and non-obese men, the reference category. Obese women showed higher percentages of low overall, physical and mental quality of life with the largest associations in the physical component. The excess risk due to interaction was statistically significant in physical dimension: RERI = 1.97 (0.40-3.52) and RERIa = 1,97 (0.40-1.7). Among the Brazilian population aged 20-64 years, obesity was independently associated with low HRQL. This association differed by gender, being significant for women. The possibility of the combined effect takes greater importance in the context of increasing incidence of obesity globally. Healthcare professionals in primary care settings should pay attention to gender differences in the impact of obesity on HRQL.
Highlights
In the last decades, the impact on quality of life (QoL) has gained increasing interest as an outcome measure of health status defined as the individual’s perception regarding their position in life according to the cultural context and value systems which they live in, agreeing to their goals, expectations, standards and concerns[1]
As gender differences differs by population groups with diverse sociocultural contexts, it is important to study the interaction between gender and body mass in Brazilian population
The biological interaction refers to an action dependency between two or more factors acting in the same cause, enough to produce an outcome, in other words, a factor may potentiate the action of another[10,11]
Summary
The impact on quality of life (QoL) has gained increasing interest as an outcome measure of health status defined as the individual’s perception regarding their position in life according to the cultural context and value systems which they live in, agreeing to their goals, expectations, standards and concerns[1]. Studies about the effects of a possible interaction between gender and body mass have been little studied[9]. As gender differences differs by population groups with diverse sociocultural contexts, it is important to study the interaction between gender and body mass in Brazilian population.
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