Table 3 Multivariate adjusted mean values (95% confidence interval) of muscle strength by serum UA quartiles

Grip strength, kg *

Participants (n = 586)

152

144

145

145

  Model 1 ³

41.1 (40.1–42.1)

42.1 (41.1–43.2)

41.8 (40.8–42.8)

40.9 (39.9–42.0)

  Model 2 ⁴

41.2 (40.2–42.3)

42.1 (41.0–43.1)

41.8 (40.8–42.9)

40.8 (39.8–41.9)

  Model 3 ⁵

41.6 (40.6–42.7)

42.2 (41.1–43.2)

41.8 (40.8–42.9)

40.3 (39.2–41.3)

  Model 4 ⁶

41.6 (40.6–42.6)

42.2 (41.2–43.2)

41.8 (40.8–42.8)

40.4 (39.3–41.4)

Leg extension power, W/kg

Participants (n = 355)

92

90

85

88

  Model 1

18.1 (17.2–18.9)

19.2 (18.3–20.0)

18.8 (18.0–19.7)

18.3 (17.4–19.2)

  Model 2

18.0 (17.2–18.9)

19.2 (18.4–20.1)

18.8 (17.9–19.7)

18.2 (17.4–19.1)

  Model 3

18.3 (17.5–19.1)

19.2 (18.4–20.1)

18.9 (18.0–19.7)

17.9 (17.0–18.8)

  Model 4

18.3 (17.5–19.2)

19.2 (18.4–20.1)

18.9 (18.1–19.8)

17.9 (17.0–18.8)