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Table 3 Longitudinal analyses of 13-year change in weight (kg), desired weight (kg) and difference between the two (kg), from Tromsø 4 to Tromsø 6

From: Longitudinal changes in desired body weight compared to changes in body weight: evidence of adaptation to weight gain?

  Men Women
Age groups n Actual difference (CI)a Difference in desired weight (CI)b Discrepancy in difference (CI)c n Actual difference (CI)a Difference in desired weight (CI)b Discrepancy in difference (CI)c
25–29 345 7.7 (6.8, 8.5) 3.8 (3.4, 4.4) 3.9 (3.3, 4.8) 460 8.1 (7.4, 9.0) 5.2 (4.9, 5.7) 2.8 (2.3, 3.5)
30–34 243 7.3 (6.5, 8.0) 4.6 (4.0, 5.2) 2.8 (1.7, 3.5) 336 6.5 (5.8, 7.3) 4.3 (3.8, 4.7) 2.2 (1.7, 2.9)
35–39 301 6.2 (5.5, 6.9) 3.7 (3.1, 4.4) 2.5 (1.9, 3.3) 355 6.4 (5.7, 7.1) 4.3 (3.9, 4.7) 2.1 (1.5, 2.7)
40–44 321 5.4 (4.6, 6.4) 3.0 (2.5, 3.4) 2.4 (1.5, 3.1) 378 5.4 (4.9, 6.1) 3.6 (3.1, 4.0) 1.9 (1.3, 2.5)
45–49 593 3.9 (3.4, 4.4) 1.9 (1.6, 2.3) 2.0 (1.5, 2.5) 677 4.8 (4.3, 5.2) 3.3 (3.1, 3.6) 1.5 (1.0, 1.9)
50–54 638 3.0 (2.5, 3.4) 1.3 (0.9, 1.6) 1.6 (1.2, 2.1) 628 4.5 (3.9, 5.0) 3.0 (2.7, 3.2) 1.5 (1.1, 2.0)
55–59 394 2.1 (1.5, 2.8) 1.1 (0.7, 1.6) 1.0 (0.4, 1.5) 399 2.3 (1.8, 2.9) 2.2 (1.9, 2.6) 0.1 (−0.6, 0.7)
60–64 253 0.4 (-0.6, 1.1) 0.1 (-0.4, 0.6) 0.3 (-0.5, 0.8) 280 1.7 (0.7, 2.5) 1.2 (0.7, 1.6) 0.5 (-0.3, 1.3)
65–69 122 0.9 (-0.1, 1.9) 0.1 (-0.8, 0.8) 0.9 (-0.1, 1.8) 176 −0.3 (-1.7, 0.7) 0.4 (-0.4, 1.1) −0.7 (-1.7, 0.4)
Total 3210 4.2 (3.9, 4.4) 2.2 (2.0, 2.3) 2.0 (1.7, 2.2) 3689 4.8 (4.5, 5.0) 3.3 (3.2, 3.4) 1.5 (1.3, 1.7)
  1. aActual difference (CI): Measured body weight in Tromsø 6 (2007–2008) minus measured weight in Tromsø 4 (1994–1995), with 95 % confidence intervals
  2. bDifference in desired weight (CI): Desired weight in Tromsø 6 (2007–2008) minus desired weight in Tromsø 4 (1994–1995), with 95 % confidence intervals
  3. cDiscrepancy in difference (CI): Actual difference minus Difference in desired weight, with 95 % confidence intervals