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Table 2 Predictors of depression in the elderly population with type 2 diabetes mellitus and enrolled in a Medicare health maintenance organization

From: Self-reported predictors of depressive symptomatology in an elderly population with type 2 diabetes mellitus: a prospective cohort study

  Depressive symptomatology
Independent variables Sample (n = 792) Only insulin (n = 252) Only sulfonylurea (n = 562) Combination therapy (n = 71)
  Odds ratio (95% CI) Odds ratio (95% CI) Odds ratio (95% CI) Odds ratio (95% CI)
Age (years) 0.97 (0.94–0.99)* 0.97 (0.94–1.1) 0.97 (0.95–1.00) 0.99 (0.92–1.06)
Male gender 0.67 (.43–1.05) 0.99 (0.47–2.1) 0.48 (0.28–0.82)* 0.62 (0.16–2.36)
Health related quality of life 0.97 (0.96–0.98)* 0.97 (0.95–0.99)* 0.97 (0.96–0.98)* 0.95 (0.91–0.99)*
ADLs causing problems 0.87 (0.71–1.1) 0.83 (0.59–1.12) 0.83 (0.61–1.15) 0.64 (0.23–1.71)
IADLs causing problems 1.31 (1.14–0.52)* 1.24 (1.01–1.53)* 1.29 (1.07–1.56)* 1.31(0.82–2.08)
No of Prescription 1.02 (0.77–1.35) 2.06 (0.90–4.72) 0.91 (0.68–1.23) 0.79 (0.23–2.71)
Hospitalizations during previous year 0.93 (.64–1.28) 1.28 (0.80–2.05) 0.58 (0.35–0.95)* 0.81 (0.31–2.08)
ER visits during previous year 1.22 (0.90–1.66) 1.10 (0.68–1.78) 1.51 (1.04–2.18)* 1.06 (0.49–2.26)
Insulin therapy 0.88 (0.31–2.52) - - -
Sulfonylurea therapy 1.49 (0.55–4.03) - - -
Combination therapy 1.66 (0.54–5.12) - - -
  1. *Statistically significant at p < 0.05.
  2. ADLs = Activities of Daily Living; IADLs = Instrumental Activities of Daily Living; ER = Emergency room.