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Table 2 Baseline characteristics of 15,163 Chinese older participants by lifestyle category

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

Characteristics Participants, No. (%) P value
Total sample (n = 15,163) Unhealthy lifestyle (n = 2056 [13.6%]) Intermediate lifestyle (n = 9988[65.9%]) Healthy lifestyle (n = 3119[20.5%])
Age, y      <.001
 65-79 4658(30.7) 557(27.1) 2915(29.2) 1186(38.0)
 80-94 6258(41.3) 881(42.9) 4092(41.0) 1285(41.2)
  > 95 4247(28.0) 618(30.0) 2981(29.8) 648(20.8)
Sex      <.001
 Men 6479(42.7) 1121(54.5) 3866(38.7) 1492(47.8)
 Women 8684(57.3) 935(45.5) 6122(61.3) 1627(52.2)
Education      <.001
 Illiteracy 9392(61.9) 1300(63.2) 6586(65.9) 1506(48.3)
 Literacy 5771(38.1) 756(36.8) 3402(34.1) 1613(51.7)
Region      <.001
 Urban 6940(45.8) 706(34.3) 4306(43.1) 1928(61.8)
 Rural 8223(54.2) 1350(65.7) 5682(56.9) 1191(38.2)
Marital status      <.001
 Married 4521(29.8) 573(27.9) 2757(27.6) 1191(38.2)
 Widowed and others 10,642(70.2) 1483(72.1) 7231(72.4) 1928(61.8)
Smoking status      <.001
 Never 9983(65.8) 447(21.7) 6735(67.4) 2801(89.8)
 Former 2709(17.9) 830(40.4) 1709(17.1) 170(5.5)
 Current 2471(16.3) 779(37.9) 1544(15.5) 148(4.7)
Alcohol consumption      <.001
 Never 10,111(66.7) 308(15.0) 6923(69.3) 2880(92.3)
 Former 2422(16.0) 854(41.5) 1460(14.6) 108(3.5)
 Current 2630(17.3) 894(43.5) 1605(16.1) 131(4.2)
Dietary diversity      <.001
 Poor 6851(45.2) 1731(84.2) 4869(48.7) 251(8.0)
 Good 8312(54.8) 325(15.8) 5119(51.3) 2868(92.0)
BMI, kg/m2      <.001
  < 18.5 6580(43.3) 538(26.2) 3791(38.0) 2251(72.2)
 18.5- 23.9 131(0.9) 38(1.8) 79(0.8) 14(0.4)
 24.0-27.9 6370(42.0) 1177(57.2) 4525(45.3) 668(21.4)
  ≥ 28.0 2082(13.7) 303(14.7) 1593(15.9) 186(6.0)
Regular exercise      <.001
 No 10,318(68.0) 1944(94.6) 7566(75.8) 808(25.9)
 Yes 4845(32.0) 112(5.4) 2422(24.2) 2311(74.1)
Hypertension      <.001
 No 11,372(75.0) 1655(80.5) 7530(75.4) 2187(70.1)
 Yes 3791(25.0) 401(19.5) 2458(24.6) 932(29.9)
Diabetes      <.001
 No 13,231(87.3) 1865(90.7) 8747(87.6) 2619(84.0)
 Yes 1932(12.7) 191(9.3) 1241(12.4) 500(16.0)
Heart disease      <.001
 No 12,459(82.2) 1788(87.0) 8269(82.8) 2402(77.0)
 Yes 2704(17.8) 268(13.0) 1719(17.2) 717(23.0)
Cerebrovascular disease      <.001
 No 13,077(86.2) 1821(88.6) 8653(86.6) 2603(83.5)
 Yes 2086(13.8) 235(11.4) 1335(13.4) 516(16.5)
Cancer      <.001
 No 13,843(91.3) 1926(93.7) 9149(91.6) 2768(88.7)
 Yes 1320(8.7) 130(6.3) 839(8.4) 351(11.3)
  1. Chi-squared test was used
  2. BMI body mass index