Table 2

Adjusted associations of 10% increments in mean relative aerobic workload (%HRR) and hours of work at ≥30%HRR with SBP, DBP and pulse pressure, by age group (<47 years old, n=301; ≥47 years old, n=261)

Age groupSBPDBPPulse pressure
mm Hg95% CIP valuemm Hg95% CIP valuemm Hg95% CIP value
10% changes in mean relative aerobic workload
 <47 years oldModel 1−2.29−4.44 to −0.140.04−0.47−2.07 to 1.140.57−1.83−3.47 to −0.190.03
Model 2−1.65−3.77 to 0.460.12−0.66−2.26 to 0.930.41−0.99−2.75 to 0.770.27
 ≥47 years oldModel 1−1.28−3.51 to 0.950.262.190.74 to 3.64<0.01*−3.47−5.22 to −1.72<0.01
Model 2−0.84−3.62 to 1.930.552.230.43 to 4.020.02*−3.07−5.18 to −0.95<0.01
Duration of relative aerobic workload ≥30%HRR
 <47 years oldModel 1−0.73−1.62 to 0.160.11−0.05−0.71 to 0.610.88−0.68−1.36 to −0.010.05
Model 2−0.44−1.32 to 0.430.32−0.01−0.66 to 0.650.99−0.44−1.16 to 0.290.24
 ≥47 years oldModel 1−0.06−0.98 to 0.860.900.840.24 to 1.43<0.01*−0.90−1.63 to −0.170.02
Model 20.14−0.91 to 1.200.790.68−0.01 to 1.360.05−0.53−1.35 to 0.280.20
  • Model 2 is adjusted for age, sex, country of birth, smoking, work hours per week, alcohol consumption, body mass index and HRR intensity during leisure time physical activity.

  • DBP, diastolic blood pressure; %HRR, per cent heart rate reserve; SBP, systolic blood pressure.