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Table 3 Stratified analysis by age group of depression prevalence among community-dwelling older people living in colder regions of Russia

From: Social and physical factors related to depression in the older population of Siberia, Russia: a cross-sectional study

   N = 422
YO, n = 331 OO, n = 91  
Factor Odds Ratio 95% CI: LL - UL P-value Odds Ratio 95% CI: LL - UL P-value
Asthma 6.40 1.74–23.5 .005*
Obstructive Sleep Apnea
Currently working or self-employed .511 .253–1.03 .061 .115 .014–.974 .047*
Kids 1.78 .979–3.23 .059
Spouse 1.99 1.14–3.48 .016*
Daily Communication to Others .336 .197–.572 >.001** .410 .142–1.19 .100
Weekly Walking .288 .106–.778 .014*
  1. Note: Stratified analysis by age group, YO Young old adults 60–75 years old, OO Older old adults 76–93 years old. Backward Elimination (Likelihood Ratio): Diabetes (No = 0, Yes = 1), Asthma (No = 0, Yes = 1), Obstructive Sleep Apnea (No = 0, Yes = 1), Current Smoking or Smoked in the Past Status (No = 0, Yes = 1), Currently Working or Self-employed (No = 0, Yes = 1), Kids (No = 0, Yes = 1), Spouse (No = 0, Yes = 1), Living Alone (No = 0, Yes = 1), Daily Communication to Others (≤2 times =0, > 3 times = 1), Favorite Person to Talk: Friends (No = 0, Yes = 1), Weekly Walking (< 4 days = 0, ≥4 days = 1). Hosmer-Lemeshow test p = .642 (Total), p = .454 (YO), p = .986 (OO), the discriminant predictive value = 71.3% (Total), 63.7% (YO), 70.1% (OO), cut-off point: GDS Geriatric Depression Scale < 6 = 0, GDS ≥ 6 = 1, *p < 0.05, **p < 0.01. CI Confidence interval, LL Lower limit, UL Upper limit