Table 1

Estimated mean total cholesterol (mmol/L) by sex, survey and age group*: the Tromsø Study 1979–2008

Age group (years)Tromsø 2
1979–1980, n=16 559
Tromsø 3
1986–1987, n=20 504
Tromsø 4
1994–1995, n=26 911
Tromsø 5
2001, n=8028
Tromsø 6
2007–2008, n=12 827
Tromsø 7
2015–2016, n=20 925
Regression coefficient
(95% CI)
Women
20–295.21 (1.00, 3107)4.98 (0.94, 2860)5.08 (0.99, 1781)−0.11 (−0.14 to –0.07)
30–395.62 (1.09, 3145)5.36 (1.01, 3513)5.37 (1.02, 3582)5.19 (0.95, 419)4.80 (0.87, 296)−0.20 (−0.22 to –0.17)
40–496.24 (1.25, 1858)5.97 (1.14, 2568)5.92 (1.13, 3366)5.55 (0.99, 753)5.16 (0.98, 1878)5.09 (0.91, 3364)−0.33 (−0.35 to –0.32)
50–596.84 (1.32, 1190)6.73 (1.27, 2198)6.55 (1.13, 715)5.88 (1.04, 1275)5.74 (1.00, 3228)−0.42 (−0.44 to –0.40)
60–697.14 (1.27, 1615)6.59 (1.14, 1444)6.01 (1.07, 2081)5.87 (1.06, 2661)−0.60 (−0.63 to –0.57)
70–797.24 (1.30, 1217)6.66 (1.18, 1082)5.95 (1.15, 973)5.69 (1.13, 1350)−0.76 (−0.80 to –0.71)
80–897.01 (1.32, 383)6.71 (1.24, 147)5.96 (1.12, 330)5.63 (1.15, 386)−0.69 (−0.77 to –0.61)
Men
20–295.24 (1.08, 2495)5.02 (0.97, 2468)5.22 (1.02, 1504)−0.03 (−0.07 to 0.01)
30–395.90 (1.17, 3127)5.73 (1.13, 3283)5.76 (1.11, 3193)5.43 (0.94, 278)5.20 (1.00, 208)−0.15 (−0.18 to –0.12)
40–496.49 (1.26, 1908)6.26 (1.20, 2551)6.23 (1.17, 3275)5.95 (1.03, 603)5.57 (1.03, 1646)5.47 (1.03, 3042)−0.29 (−0.30 to –0.27)
50–596.78 (1.18, 919)6.56 (1.20, 1721)6.49 (1.16, 2206)6.34 (1.21, 363)5.70 (1.00, 1139)5.57 (1.03, 2770)−0.36 (−0.38 to –0.34)
60–696.55 (1.18, 350)6.56 (1.15, 1476)6.12 (1.13, 1238)5.51 (1.08, 1979)5.32 (1.06, 2490)−0.54 (−0.57 to –0.51)
70–796.49 (1.20, 921)5.93 (1.10, 875)5.27 (1.07, 828)5.01 (1.08, 1311)−0.71 (−0.75 to –0.67)
80–896.06 (1.19, 194)5.92 (0.99, 111)5.12 (1.16, 194)4.85 (1.13, 323)−0.62 (−0.71 to –0.52)
  • Values are means with SD and number of observations in parentheses.

  • *From linear mixed models.

  • †Regression coefficient, change in cholesterol (per 10 years).