Table 1.

All-cause mortality associated with physical activity increment and baseline characteristics of inactive primary care attendees

CategorynPerson–yearsDeaths, nAdjusted hazard ratio (95% CI)a
2-year average LTPA increment (MET*h/d)
Null (=0)103114 117.31061 (reference)
Low doses (<1)91712 697.9780.69 (0.51 to 0.93)
Meet recommendations (1–3.9)119016 398.61030.55 (0.41 to 0.74)
Very high doses (≥4)2192977.3250.51 (0.32 to 0.81)
Baseline characteristics
Age (each year)1.12 (1.10 to 1.13)
Sex
  Female220230 819.51361 (reference)
  Male115515 371.61761.63 (1.22 to 2.18)
Smoking status
  Never smoker174124 036.51561 (reference)
  Ex-smoker6358509.5871.37 (1.0 to 1.90)
  Current smoker98113 645.0691.58 (1.13 to 2.22)
Blood pressure
  Normal160522 674.3701 (reference)
  High-normal6418730.5721.56 (1.11 to 2.18)
  Grade I hypertension84511 334.81101.41 (1.02 to 1.96)
  Grade II hypertension2663451.6601.77 (1.21 to 2.60)
Diabetes
  No307542 657.02421 (reference)
  Yes2823534.1701.37 (1.04 to 1.81)
Cancer
  No328745 399.52881 (reference)
  Yes70791.6243.48 (2.25 to 5.37)
Chronic unstable disease
  No304742 399.82161 (reference)
  Yes (ADG11)3103791.4962.56 (1.98 to 3.32)
Psychosocial condition
  No264836 510.82351 (reference)
  Yes (CADG10)7099680.4771.53 (1.17 to 2.00)
  • a Simutaneously adjusted for all the above variables as well as for the primary care center. ADG11 and CADG10: case-mix categories of the Ambulatory Care Groups patients’ classification system. Primary care center P = 0.002. LTPA = leisure time physical activity. MET = metabolic equivalent of task.