Occupational Physical Activity and Blood Pressure: The Role of Leisure Time Physical Activity and Sex Differences.

Among males with insufficient leisure-time physical activity, occupational physical activity was significantly associated with higher systolic blood pressure.

• β = 1.944, P = 0.004 for the association between OPA and systolic BP in males with insufficient LTPA
• No significant association between OPA and systolic BP was observed in males with sufficient LTPA
• This suggests LTPA moderates the relationship between OPA and BP in males
• The study used linear regression analyses accounting for sex differences and LTPA levels

Among females, occupational physical activity was significantly associated with lower systolic blood pressure regardless of LTPA status.

• β = -1.133, P = 0.048 for the association between OPA and systolic BP in females
• The negative association was observed irrespective of LTPA levels
• Authors describe this as a 'potential protective effect of OPA on systolic BP in females'
• This contrasts with the direction of association seen in males

No significant associations were found between occupational physical activity and diastolic blood pressure in either sex.

• The null finding for diastolic BP applied to both males and females
• Significant associations were only detected for systolic BP outcomes
• Linear regression analyses were conducted to examine interactions with both systolic and diastolic BP

The study analyzed 3,909 adults from the Korea National Health and Nutrition Examination Survey using propensity score matching to balance covariates between groups.

• Total sample size was 3,909 adults
• Data source was the Korea National Health and Nutrition Examination Survey
• Propensity score matching was employed to balance covariates between groups
• Linear regression analyses were conducted to examine interactions between OPA and blood pressure outcomes

The findings underscore the need to consider sex, occupational physical activity, and leisure-time physical activity collectively when developing blood pressure management strategies.

• Sex-specific associations between OPA and BP were revealed
• LTPA was identified as a moderating factor specifically in males but not females
• Authors suggest these results support 'the development of tailored BP management strategies within occupational health contexts'
• The study highlights that the direction of OPA's effect on systolic BP differs by sex