Additional file 4 of Occupational lifting and risk of hypertension, stratified by use of anti-hypertensives and age - a cross-sectional and prospective cohort study

Additional file 4: Table S4. Adjusted associations between self-reported heavy occupational lifting and systolic blood pressure (mmHg), stratified by level of occupational physical activity. [β = Difference in mmHg; CI = Confidence interval; Ref. = Reference group].