Association of serum oleic acid level with depression in American adults: a cross-sectional study

BMC Psychiatry

Table 2 Associations of serum oleic acid with depression (n = 4,382)

	Crude model		Model 1^a		Model 2^b		Model 3^c
	OR (95% CI)	p-value	OR (95% CI)	p-value	OR (95% CI)	p-value	OR (95% CI)	p-value
Per 1 mmol/L increase	1.35 (1.16, 1.57)	0.003	1.40 (1.21, 1.61)	< 0.001	1.29 (1.10, 1.50)	0.003	1.40 (1.03, 1.90)	0.034
Quartiles
Q1 (≤ 1.53 mmol/L)	Reference (1)		Reference (1)		Reference (1)		Reference (1)
Q2 (> 1.53 to 1.93 mmol/L)	1.22 (0.82, 1.82)	0.319	1.25 (0.82, 1.90)	0.262	1.31 (0.83, 2.06)	0.216	1.37 (0.82, 2.28)	0.197
Q3 (> 1.93 to < 2.47 mmol/L)	1.30 (0.93, 1.83)	0.124	1.33 (0.91, 1.95)	0.135	1.37 (0.86, 2.21)	0.169	1.51 (0.86, 2.67)	0.122
Q4 (≥ 2.47 mmol/L)	2.03 (1.38, 3.00)	< 0.001	2.21 (1.60, 3.23)	< 0.001	1.93 (1.23, 3.04)	0.008	2.22 (1.04, 4.73)	0.017
p for trend	< 0.001		< 0.001		0.009		0.043

Abbreviations: CI Confidence interval, OR Odds ratio, Q Quantile
In multivariate regression, samples with missing values for covariates in the model were removed
^aCrude Model: Unadjusted (n = 4,382)
^bModel 1: Adjust for age, sex, and race/ethnicity (n = 4,382)
^cModel 2: Adjust for the variables in Model 1 plus education level, marital status, physical activity, body mass index, smoking status, and alcohol status (n = 4,093)
^dModel 3: Adjust for the variables in Model 2 plus metabolic syndrome, omega-3 polyunsaturated fatty acids, and total cholesterol (n = 3,928)

ISSN: 1471-244X