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Table 1 Characteristics of respondents by study periods

From: Twenty-five year trends in body mass index by education and income in Finland

   1978-1982 1983-1987 1988-1992 1993-1997 1998-2002
   Women Men Women Men Women Men Women Men Women Men
BMI M 23,8 25,1 23,8 25,3 24,0 25,6 24,4 25,9 24,6 26,1
  SD 3,6 3,1 3,7 3,2 3,8 3,4 3,8 3,4 4,2 3,5
  N 5254 6519 4448 4278 5565 5341 4996 4506 5127 4695
Household income per comsumption unit
low M 3220 3010 5960 5600 9410 9120 10640 10000 12220 11920
  SD 1130 1080 2320 2260 2610 2640 2970 2880 3530 3570
  N 1740 2165 1482 1421 1857 1774 1664 1500 1701 1556
intermediate M 5800 5530 9720 9300 15040 15000 17360 17160 20400 20660
  SD 630 640 2510 2610 1870 1880 1900 2200 2230 2420
  N 1759 2171 1483 1430 1856 1782 1664 1502 1712 1569
high M 9340 9190 15380 14970 24430 24830 28090 29380 36730 38250
  SD 3080 2900 7540 6020 10380 10290 8893 11100 40330 31980
  N 1755 2183 1483 1427 1852 1785 1668 1504 1714 1570
Education (in years)
low M 7 7 7 7 8 8 9 8 9 9
  SD 1,28 1,37 1,12 1,07 1,04 1,00 1,18 1,22 1,31 1,14
  N 2091 2286 1420 1502 1420 1825 1676 1471 1682 1493
intermediate M 10 9 10 10 11 11 12 11 13 12
  SD 0,72 0,82 1,02 0,78 1,04 0,90 1,04 0,97 1,14 1,00
  N 1509 2007 1561 1353 1561 1821 1680 1567 1747 1707
high M 14 14 15 15 16 16 17 16 17 17
  SD 2,54 2,82 2,24 2,56 2,11 2,35 2,19 2,34 2,24 2,56
  N 1654 2226 1467 1423 1850 1695 1640 1468 1698 1495
Means (M) and standard deviations (SD)