Relationship satisfaction and metabolic health parameters: a cross-sectional study in Burkinabe population of older adults

Table 4 Hierarchical linear regression models for HbA1c (n = 2145)

Predictors	Model 1			Model 2			Model 3			Model 4
Predictors	β	95% CI	P	β	95% CI	P	β	95% CI	P	β	95% CI	P
CSI-4	0.00	-0.00–0.01	0.381	-0.00	-0.01–0.01	0.829	-0.00	-0.01–0.01	0.899	0.00	-0.01–0.01	0.590
Hypertension				0.11	0.05–0.15	< 0.001	0.10	0.05–0.15	< 0.001	0.10	0.05–0.15	< 0.001
BMI				0.02	0.02–0.03	< 0.001	0.02	0.02–0.03	< 0.001	0.02	0.02–0.03	< 0.001
PHQ-9							0.00	-0.00–0.01	0.346	0.00	-0.00–0.01	0.337
Sitting h/week							0.00	-0.00–0.00	0.081	0.00	-0.00–0.00	0.079
CSI:Gender										-0.01	-0.02–0.01	0.337
CSI:Age										-0.00	-0.00–0.00	0.837
R²/adj.R²	0.023/0.019			0.084/0.078			0.086/0.079			0.087/0.078

Model 1: adjusted for age, gender, and ethnicity
Model 2: additionally adjusted for wealth, education, hypertension, and BMI
Model 3: additionally adjusted for PHQ-9 and sitting time
Model 4: additionally adjusted for interaction terms between CSI-4 and age/gender
β: beta-coefficient; SE: Standard Error; p: p-value; CSI-4: Couples Satisfaction Index 4; PHQ-9: Patient Health Questionnaire 9

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