Table 4 albuminuria regression models - vitamin D quartiles study population & population cut-off points

≥77

Ref

Ref

Ref

61-76

1.00 (0.66-1.53)

0.82 (0.55-1.22)

0.73 (0.48-1.11)

47-60

1.40 (0.93-2.10)

1.14 (0.80-1.62)

1.02 (0.72-1.44)

<47

2.40 (1.55-3.73)^†

1.87 (1.26-2.76)^#

1.48 (0.96-2.27)

P trend

<0.001

<0.001

0.007

Albuminuria OR (95% CI)

≥75

Ref

Ref

Ref

50-74

1.15 (0.81-1.67)

0.96 (0.70-1.34)

0.86 (0.62-1.19)

25-49

2.20 (1.42-3.40)^#

1.74 (1.18-2.56)^#

1.42 (0.93-2.16)

<25

2.60 (1.02-6.64)^*

1.84 (0.42-56.5)

1.22 (0.42-3.58)

P trend

<0.001

0.005

0.13