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Table 3 Longitudinal associations of lifestyle-related factors with all-cause mortality

From: Combined impact of lifestyle-related factors on total mortality among the elder Chinese: a prospective cohort study

Lifestyle factors Deaths No. Participants, No. Model 1 Model 2 Model 3
HR(95%CI) HR(95%CI) HR(95%CI)
Smoking status
 Never 6367 9983 1 1 1
 Former 1880 2709 1.13(1.07,1.20) 1.16(1.09,1.22) 1.15(1.09,1.22)
 Current 1408 2471 1.08(1.02,1.15) 1.07(1.00,1.14) 1.07(1.00,1.14)
Alcohol consumption
 Never 6337 10,111 1 1 1
 Former 1503 2422 0.98(0.92,1.03) 0.95(0.89,1.01) 0.95(0.89,1.01)
 Current 1815 2630 1.11(1.05,1.17) 1.09(1.03,1.15) 1.09(1.03,1.15)
BMI, kg/m2
  < 18.5 95 131 3.03(2.47,3.72) 3.04(2.48,3.73) 3.01(2.45,3.69)
 18.5- 23.9 4055 6580 1 1 1
 24.0-27.9 4108 6370 0.94(0.90,0.99) 0.93(0.89,0.98) 0.93(0.89,0.98)
  ≥ 28.0 1397 2082 0.92(0.86,0.99) 0.91(0.85,0.98) 0.91(0.85,0.98)
Dietary diversity
 Poor 4736 6851 1 1 1
 Good 4919 8312 0.92(0.88,0.96) 0.94(0.91,0.98) 0.94(0.90,0.98)
Regular exercise
 No 6951 10,318 1 1 1
 Yes 2704 4845 0.80(0.76,0.84) 0.81(0.77,0.85) 0.81(0.77,0.85)
  1. BMI body mass index
  2. Model 1 was adjusted for age and sex
  3. Model 2 was adjusted for age, sex, education level, marital status, place of residence and other lifestyle factors
  4. Model 3 was further adjusted for physical comorbidities at baseline