. 2015 Feb 13;10(2):e0118071. doi: 10.1371/journal.pone.0118071

Table 2. Odds ratios of FLD by quartiles of neck circumference.

	FLD n (%)	Model 1 (Age-adjusted)	Model 2 (Model 1+BMI)	Model 3 (Model 1+WC)	Model 4 (Model 1+ BMI+WC)	Model 5 (Model 1+BMI+WC+WHR)
Women
Q1 (27.0–31.0)	28 (5.7)	1.00	1.00	1.00	1.00	1.00
Q2 (31.1–32.2)	32 (9.8)	1.67 (0.98–2.85)	1.10 (0.64–1.92)	1.08 (0.62–1.88)	1.01 (0.58–1.76)	1.03 (0.59–1.79)
Q3 (32.3–33.8)	63 (15.0)	2.58 (1.60–4.13)^**	1.32 (0.79–2.19)	1.25 (0.75–2.09)	1.13 (0.67–1.90)	1.17 (0.70–1.96)
Q4 (33.9–41.5)	140 (36.7)	7.70 (4.95–11.99) ^**	2.53 (1.50–4.27) ^**	2.29 (1.34–3.93)^*	1.94 (1.12–3.36) ^*	2.09 (1.20–3.63) ^*
P-trend		<0.001	<0.001	<0.001	0.007	0.003
Men
Q1 (28.5–35.8)	72 (11.4)	1.00	1.00	1.00	1.00	1.00
Q2 (35.9–37.3)	133 (22.3)	2.23 (1.63–3.05) ^**	1.06 (0.76–1.48)	1.12 (0.80–1.57)	0.95 (0.68–1.34)	0.99 (0. 70–1.40)
Q3 (37.4–39.0)	237 (37.0)	4.58 (3.42–6.14) ^**	1.49 (1.07–2.07) ^*	1.48 (1.06–2.06) ^*	1.19 (0.84–1.67)	1.29 (0.92–1.83)
Q4 (39.1–50.1)	348 (61.5)	12.42 (9.22–16.74) ^**	2.04 (1.40–2.97) ^**	2.08 (1.43–3.03) ^**	1.45 (0.98–2.15)	1.65 (1.11–2.45) ^*
P-trend		<0.001	<0.001	<0.001	0.015	0.002

Model 1: adjusted for age;

Model 2: adjusted for age and BMI;

Model 3: adjusted for age and WC;

Model 4: adjusted for age, BMI and WC;

Model 5: adjusted for age, BMI, WC and WHR.

*: p<0.05 compared with Q1;

**: p<0.001 compared with Q1.