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

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

						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*

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

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