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Table 3 Univariate and multivariate logistic regression analysis of factors affecting depressive symptoms

From: Association between serum vitamin D and depressive symptoms among female workers in the manufacturing industry

Variables   Unadjusted Adjusteda
  ORb 95 % CIc ORb 95 % CIc
Vitamin D ≥10 1.00   1.00  
(ng/ml) <10 1.69 1.27–2.26 1.55 1.15–2.07
Shift work No 1.00   1.00  
  Yes 2.46 1.66–3.64 1.83 1.18–2.82
Education level ≥college 1.00   1.00  
  ≤high school 1.74 1.31–2.32 1.39 1.02–1.90
Age (years) ≥30 1.00   1.00  
  <30 1.55 1.15–2.09 1.15 0.82–1.62
Marital status Married 1.00   1.00  
  Unmarried 1.68 1.18–2.39 1.19 0.80–1.77
  1. aadjusted for vitamin D serum concentration, shift work, educational level, age, marital status
  2. bodds ratio
  3. cconfidence interval