Table 2 Odd’s ratio (OR) and confidence interval (CI) for MetS and its components according to tertiles of PDI, hPDI, and uPDI in a cross-sectional study of MetS in Iran (n = 347)

MetS ^A

  Crude

1 (Ref.)

0.77 (0.45–1.32)

0.87 (0.54–1.47)

0.62

1 (Ref.)

0.87 (0.50–1.51)

0.82 (0.48–1.40)

0.12

1 (Ref.)

0.87 (0.52–1.46)

0.83 (0.87–2.46)

0.48

  Model 1^B

1 (Ref.)

0.98 (0.39–2.46)

1.30 (0.55–3.04)

0.52

1 (Ref.)

0.76 (0.31–1.87)

0.87 (0.34–2.22)

0.80

1 (Ref.)

0.76 (0.22–1.77)

0.84 (0.34–2.07)

0.68

  Model 2^C

1 (Ref.)

0.89 (0.34–2.35)

1.12 (0.42–2.96)

0.78

1 (Ref.)

0.83 (0.32–2.11)

0.96 (0.36–2.54)

0.96

1 (Ref.)

0.80 (0.34–1.91)

0.97 (0.36–2.56)

0.91

High WC

  Crude

1 (Ref.)

0.61 (0.13–2.68)

0.92 (0.20–4.33)

0.84

1 (Ref.)

3.13 (0.58–16.84)

1.19 (0.32–4.36)

0.81

1 (Ref.)

0.52 (0.14–1.97)

1.58 (0.28-9.00)

0.72

  Model 1^B

1 (Ref.)

0.77 (0.14–4.28)

1.10 (0.19–6.33)

0.86

1 (Ref.)

3.03 (0.45–20.03)

0.71 (0.14–3.61)

0.71

1 (Ref.)

0.33 (0.07–1.58)

1.79 (0.25–12.48)

0.73

  Model 2^C

1 (Ref.)

0.74 (0.12–4.44)

1.03 (0.15–7.13)

0.91

1 (Ref.)

3.03 (0.45–20.07)

0.72 (0.14–3.69)

0.72

1 (Ref.)

0.34 (0.07–1.64)

1.96 (0.27–14.24)

0.68

High Cholesterol

  Crude

1 (Ref.)

0.89 (0.42–1.91)

0.70 (0.33–1.47)

0.96

1 (Ref.)

1.17 (0.68–2.38)

0.54 (0.24–1.20)

0.17

1 (Ref.)

0.60 (0.27–1.36)

0.47 (0.19–1.14)

0.08

  Model 1^B

1 (Ref.)

1.12 (0.49–2.59)

0.69 (0.30–1.57)

0.37

1 (Ref.)

1.09 (0.50–2.37)

0.58 (0.54–1.38)

0.25

1 (Ref.)

0.50 (0.21–1.22)

0.42 (0.16–1.09)

0.06

  Model 2^C

1 (Ref.)

1.03 (0.42–2.48)

0.60 (0.23–1.54)

0.26

1 (Ref.)

1.07 (0.49–2.34)

0.54 (0.21–1.39)

0.24

1 (Ref.)

0.52 (0.21–1.26)

0.44 (0.16–1.22)

0.09

High TG

  Crude

1 (Ref.)

1.03 (0.40–2.66)

1.80 (0.76–4.25)

0.15

1 (Ref.)

0.75 (0.31–1.76)

0.80 (0.34–1.88)

0.63

1 (Ref.)

0.94 (0.43–2.04)

0.26 (0.09–1.74)

0.11

  Model 1^B

1 (Ref.)

1.44 (0.48–4.32)

2.51 (0.94–6.71)

0.05

1 (Ref.)

0.83 (0.31–2.26)

0.87 (0.30–2.49)

0.80

1 (Ref.)

0.88 (0.35–2.19)

0.25 (0.07–1.79)

0.12

  Model 2^C

1 (Ref.)

1.32 (0.41–4.18)

2.20 (0.72–6.70)

0.14

1 (Ref.)

0.97 (0.34–2.71)

1.02 (0.34–3.07)

0.95

1 (Ref.)

0.91 (0.36–2.31)

0.27 (0.07–1.93)

0.15

Low HDL-C

  Crude

1 (Ref.)

0.69 (0.33–1.44)

0.66 (0.32–1.35)

0.27

1 (Ref.)

0.84 (0.41–1.71)

1.25 (0.61–2.56)

0.51

1 (Ref.)

1.29 (0.65–2.56)

1.58 (0.77–3.22)

0.19

  Model 1^B

1 (Ref.)

0.78 (0.35–1.72)

0.66 (0.31–1.42)

0.29

1 (Ref.)

0.55 (0.55–1.24)

0.73 (0.31–1.68)

0.49

1 (Ref.)

1.20 (0.57–2.53)

1.65 (0.76–3.58)

0.20

  Model 2^C

1 (Ref.)

0.82 (0.35–1.88)

0.72 (0.30–1.72)

0.46

1 (Ref.)

0.50 (0.22–1.14)

0.65 (0.27–1.53)

0.38

1 (Ref.)

1.17 (0.55–2.49)

1.55 (0.67–3.57)

0.30

Hyperglycemia

  Crude

1 (Ref.)

0.86 (0.37-2.00)

0.87 (0.38–1.99)

0.72

1 (Ref.)

1.10 (0.46–2.60)

1.07 (0.45–2.47)

0.87

1 (Ref.)

1.65 (0.74–3.69)

2.50 (1.13–5.52)

0.28

  Model 1^B

1 (Ref.)

1.18 (0.45–3.11)

1.24 (0.50–3.03)

0.63

1 (Ref.)

1.13 (0.44–2.92)

1.00 (0.36–2.72)

0.98

1 (Ref.)

1.16 (0.45-3.00)

2.51 (1.04–6.04)

0.88

  Model 2^C

1 (Ref.)

1.05 (0.38–2.89)

1.02 (0.36–2.84)

0.97

1 (Ref.)

1.27 (0.48–3.39)

1.13 (0.40–3.18)

0.84

1 (Ref.)

1.21 (0.46–3.19)

2.58 (1.05–6.33)

0.84

Elevated blood pressure

  Crude

1 (Ref.)

0.66 (0.25–1.76)

1.57 (0.69–3.56)

0.21

1 (Ref.)

1.53 (0.61–3.84)

1.95 (0.80–4.79)

0.14

1 (Ref.)

0.89 (0.39–2.03)

0.88 (0.38–2.04)

0.76

  Model 1^B

1 (Ref.)

0.80 (0.27–2.35)

1.76 (0.69–4.51)

0.19

1 (Ref.)

1.36 (0.49–3.74)

1.21 (0.41–3.53)

0.75

1 (Ref.)

0.95 (0.37–2.39)

1.14 (0.42–3.05)

0.81

  Model 2^C

1 (Ref.)

0.72 (0.23–2.20)

1.45 (0.49–4.27)

0.40

1 (Ref.)

1.61 (0.56–4.63)

1.46 (0.48–4.46)

0.54

1 (Ref.)

1.05 (0.41–2.68)

1.51 (0.51–4.40)

0.47