Association between immunoglobulin A and depression in Chinese older adults: findings from a cross-sectional study

Table 3 Multiple logistic regression analyses between immunoglobulins and depression

Variables	OR	95% CI	P
Immunoglobulin A
Model 1	1.083	1.013–1.157	0.019
Model 2	1.078	1.004–1.157	0.037
Model 3	1.083	1.001–1.172	0.047
Immunoglobulin G
Model 1	1.017	0.985–1.049	0.307
Model 2	0.995	0.963–1.029	0.782
Model 3	0.988	0.953–1.024	0.513
Immunoglobulin M
Model 1	0.949	0.780–1.156	0.604
Model 2	0.970	0.793–1.185	0.764
Model 3	0.928	0.729–1.181	0.544
Immunoglobulin E
Model 1	0.999	0.994–1.003	0.605
Model 2	0.997	0.992–1.003	0.336
Model 3	0.995	0.988–1.002	0.158
Complement C3
Model 1	0.995	0.989–1.000	0.043
Model 2	1.000	0.994–1.005	0.886
Model 3	1.003	0.995–1.010	0.491
Complement C4
Model 1	0.991	0.977–1.005	0.223
Model 2	1.003	0.989–1.018	0.653
Model 3	1.001	0.983–1.019	0.929

Notes: Model 1: no adjustment; Model 2: adjusted for age, sex, and ethnicity; Model 3: age, sex, ethnicity, centenarians, SBP, DBP, RBC, hemoglobin, MCHC, WBC, neutrophil, CRP, immunoglobulin A, immunoglobulin G, immunoglobulin M, immunoglobulin E, complement C3, and complement C4
Abbreviations: OR Odds ratio, CI Confidence interval, SBP Systolic blood pressure, DBP Diastolic blood pressure, RBC Red blood cell, MCHC Mean corpuscular hemoglobin concentration, WBC White blood cell, CRP C-reactive protein

ISSN: 1742-4933