Table 5 BMI Comparison in Matched Age Subgroups (2013–2020)

20–29

26.54 ± 6.79 (n = 95)

25.25 ± 5.64 (n = 191,054)

24.80 (23.65 to 25.95)

 < 0.001

30–39

28.24 ± 5.93 (n = 275)

26.59 ± 5.95 (n = 219,986)

21.36 (20.60 to 22.11)

 < 0.001

40–49

30.04 ± 6.51 (n = 899)

27.83 ± 6.07 (n = 200,808)

25.70 (25.12 to 26.27)

 < 0.001

50–59

30.00 ± 6.27 (n = 2,643)

28.29 ± 5.98 (n = 220,612)

30.22 (29.69 to 30.75)

 < 0.001

60–69

29.26 ± 6.04 (n = 4,001)

28.02 ± 5.72 (n = 141,086)

30.96 (30.21 to 31.72)

 < 0.001

70–79

28.25 ± 5.52 (n = 2,591)

27.64 ± 5.35 (n = 32,493)

34.12 (32.62 to 35.63)

 < 0.001

80–89

27.06 ± 4.75 (n = 692)

26.64 ± 4.87 (n = 8,890)

41.40 (38.40 to 44.40)

 < 0.001