Table 2 Risk ratios (RR) and their 95 % confidence intervals (CI) from Cox model for association of fibrinogen on MetS in male and female

Fibrinogen quartiles

 Q2 vs. Q1

1.12 (0.94,1.33)

1.03 (0.87,1.23)

1.09 (0.89,1.32)

1.00 (0.82,1.22)

1.43 (0.97,2.12)

1.33 (0.90,1.96)

1.04 (0.58,1.87)

 Q3 vs. Q1

1.19 (1.01,1.41)

1.01 (0.85,1.20)

1.11 (0.91,1.35)

0.92 (0.76,1.12)

1.66 (1.14,2.4)

1.45 (1.00,2.10)

1.22 (0.71,2.10)

 Q4 vs. Q1

1.39 (1.17,1.65)

1.15 (0.97,1.36)

1.22 (1,1.48)

1.05 (0.86,1.28)

1.84 (1.27,2.66)

1.48 (1.02,2.13)

1.03 (0.60,1.77)

P value for trend

Age

1.03 (1.02,1.03)

1.02 (1.01,1.02)

1.02 (1.01,1.02)

1.01 (1.00,1.02)

1.05 (1.04,1.06)

1.03 (1.02,1.04)

1.03 (1.02,1.04)

Female

0.65 (0.57,0.75)

0.89 (0.77,1.03)

Former smoking

1.06 (0.79,1.42)

1.22 (0.91,1.64)

1.18 (0.87,1.59)

1.32 (0.98,1.79)

0.39 (0.09,1.61)

0.45 (0.11,1.88)

0.46 (0.11,1.94)

Current smoking

0.95 (0.83,1.09)

0.99 (0.86,1.14)

0.93 (0.81,1.08)

0.98 (0.85,1.14)

0.87 (0.49,1.52)

0.96 (0.55,1.67)

0.96 (0.55,1.68)

Frequent drinker

1.34 (1.17,1.55)

1.19 (1.03,1.37)

1.3 (1.12,1.51)

1.18 (1.02,1.37)

0.99 (0.57,1.72)

0.96 (0.55,1.67)

0.95 (0.54,1.65)

Vegetarian

0.77 (0.68,0.89)

0.83 (0.72,0.95)

0.78 (0.65,0.92)

0.83 (0.70,0.99)

0.77 (0.61,0.97)

0.81 (0.64,1.02)

0.81 (0.64,1.02)

Regular exerciser

1.03 (0.92,1.16)

1.02 (0.91,1.15)

1.02 (0.89,1.17)

1.02 (0.89,1.17)

1.17 (0.93,1.46)

1.06 (0.84,1.32)

1.04 (0.83,1.31)

Overweight

3.60 (3.15,4.11)

3.29 (2.81,3.87)

4.11 (3.23,5.22)

2.76 (1.5,5.06)

Dyslipidemia

2.36 (2.06,2.71)

2.13 (1.81,2.50)

2.75 (2.11,3.57)

2.82 (2.16,3.67)

Hypertension

3.04 (2.64,3.5)

2.83 (2.39,3.35)

3.20 (2.46,4.18)

3.26 (2.49,4.25)

Hyperglycemia

3.48 (2.87,4.23)

3.26 (2.59,4.11)

3.85 (2.70,5.48)

3.95 (2.76,5.63)

Overweight*fibrinogen

 1*Q2

1.54 (0.70,3.38)

 1*Q3

1.37 (0.66,2.88)

 1*Q4

1.85 (0.90,3.80)