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Table 1 Baseline characteristics of the study subjects and those with incomplete follow-up data on life satisfaction*.

From: The stability of life satisfaction in a 15-year follow-up of adult Finns healthy at baseline

  Study subjects Subjects with incomplete follow-up p-value
Baseline characteristics N (9679) column % N (6817) column %  
Sex      <0.0011)
   Men 4466 46.1 3932 57.7  
   Women 5213 53.9 2885 42.3  
Age-group      <0.0012)
   18 – 25 4121 42.6 3100 45.5  
   16 – 35 3513 36.3 2431 35.6  
   36 – 45 2045 21.1 1286 18.9  
Social class      <0.0013)
   Upper 565 5.8 361 5.3  
   Intermediate 2695 27.8 2121 31.1  
   Lower 6419 66.4 4335 63.6  
Marital status      <0.0014)
   Cohabiting 5386 55.7 3443 50.6  
   Living alone 4291 44.3 3366 49.4  
Smoking cigarettes daily      <0.0015)
   Non-smoker 6698 69.3 3991 58.7  
   1 – 19 2344 24.2 2976 30.5  
   > 19 627 6.5 737 10.8  
Pure alcohol g/month      <0.0016)
   None 1361 14.1 807 11.9  
   1 – 99 4077 42.2 2334 34.3  
   100 – 399 2626 27.1 2076 30.5  
   400 – 799 1083 11.2 939 13.8  
   ≥ 800 524 5.4 648 9.3  
Physical activity/month      <0.017)
   < 1 1138 12.2 888 13.7  
   1 – 5 4585 49.3 3045 46.9  
   ≥ 6 3577 38.5 2563 39.4  
Life satisfaction in 1975      <0.0018)
   4 – 6 2214 22.9 1370 20.1  
   7 – 11 6239 64.4 4303 63.1  
   12 – 20 1226 12.7 1144 16.8  
  1. * Life satisfaction data not available from 1981 and/or 1990.
  2. 1) F(1, 10007) = 165; 2) F(2, 10006) = 7.02; 3) F(2, 10006) = 9.17; 4) F(1, 10002) = 36.1; 5) F(2, 9995) = 94.0; 6) F(4, 9995) = 45.0; 7) F(2, 9786) = 5.50; 8) F(2, 10006) = 29.0