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Table 2 Univariate and multivariate logistic regression analysis showing associations between the study variables and current self-diagnosed depression (n = 1684)

From: Self-diagnosed depression in the Norwegian general population – associations with neuroticism, extraversion, optimism, and general self-efficacy

Independent variables Univariate model Multivariate model
B (SE) OR p 95% CI B (SE) OR p 95% CI
Age increase in 10 years −0.20 (0.05) 0.82 <  0.001 0.74–0.91 − 0.20 (0.08) 0.82 <  0.05 0.70–0.95
Gender 0.52 (0.19) 1.68 <  0.01 1.16–2.41 0.12 (0.23) 1.13 0.61 0.72–1.78
Education −0.50 (0.18) 0.61 <  0.01 0.43–0.86 −0.01 (0.22) 0.99 0.97 0.64–1.54
Work status −0.48 (0.18) 0.62 <  0.01 0.43–0.88 −0.56 (0.28) 0.57 <  0.05 0.33–0.98
General self-efficacy −1.31 (0.14) 0.27 <  0.001 0.20–0.36 −0.40 (0.18) 0.67 <  0.05 0.47–0.96
Optimism −1.68 (0.19) 0.19 <  0.001 0.13–0.27 −0.66 (0.24) 0.52 <  0.01 0.32–0.83
Extraversion −0.25 (0.05) 0.78 <  0.001 0.71–0.86 −0.08 (0.06) 0.93 0.18 0.83–1.04
Neuroticism 0.80 (0.06) 2.23 <  0.001 1.98–2.51 0.68 (0.07) 1.97 <  0.001 1.72–2.25
  1. Adjusted model parameters: Nagelkerke R2 = 0.38, Cox & Snell R2 = 0.16, Model χ2 = 285.38, p <  0.001, Hosmer-Lemeshow χ2 = 6.17, p = 0.63. Reference categories are lower age, male gender, low education, not working, and lower levels of general self-efficacy, optimism, extraversion, and neuroticism