Relationship between weight-to-waist index and post-stroke depression

Table 3 Multivariable logistics regression analysis of the association between weight-to-waist index and post-stroke depression

Model	Characteristic	Unmatching		Matching
		OR (95%CI)	P value	OR (95%CI)	P value
Model 1	WWI	2.21 (1.84-2.66)	< 0.0001	1.43 (1.09-1.88)	0.01
	WWI category
	Q1 (8.11-10.69)	Reference	Reference	Reference	Reference
	Q2 (10.70-11.43)	2.29 (1.21-4.32)	0.01	1.58 (0.71-3.52)	0.26
	Q3 (11.44-15.70)	6.20 (3.69-10.43)	< 0.0001	2.25 (1.27-3.97)	0.01
Model 2	WWI	1.66 (1.31-2.12)	< 0.0001	1.59 (1.13-2.24)	0.01
	WWI category
	Q1 (8.11-10.69)	Reference	Reference	Reference	Reference
	Q2 (10.70-11.43)	1.59 (0.78-3.24)	0.19	1.73 (0.75-4.03)	0.20
	Q3 (11.44-15.70)	3.09 (1.67-5.71)	< 0.001	2.83 (1.45-5.52)	0.003
Model 3	WWI	1.55 (1.05-2.29)	0.03	2.31 (1.36-3.94)	0.003
	WWI category
	Q1 (8.11-10.69)	Reference	Reference	Reference	Reference
	Q2 (10.70-11.43)	2.07 (0.88-4.87)	0.09	4.53 (1.54-13.39)	0.01
	Q3 (11.44-15.70)	3.14 (1.19-8.26)	0.02	6.60 (2.08-20.88)	0.002

Model 1: No adjustments made for confounding factors. Model 2: Adjustments made for age, sex, race, poverty ratio, education, marital status, alcohol, and smoking. Model 3: Adjustments made for age, sex, race, poverty ratio, education, marital status, diabetes, hypertension, hyperlipidemia, heart failure, Healthy Eating Index 2015 score, and Metabolic Equivalent of Task units. OR: Odds ratio; CI: Confidence interval; WWI: Weight-to-waist index.