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Table 3 Multinomial logistic regression analysis with forward stepwise method for factors associated with different duration of insomnia disorders

From: Correlates of self-report chronic insomnia disorders with 1–6 month and 6-month durations in home-dwelling urban older adults - the Shih-Pai Sleep Study in Taiwan: a cross-sectional community study

  1–6 month insomnia disorder 6-month insomnia disorder
  OR (95 % CI) OR (95 % CI)
Gender   
 Male 1 1
 Female 2.16 (1.33–3.51) 1.50 (1.07–2.10)
Heart disease   
 No heart disease 1 1
 Heart disease 0.92 (0.51–1.65) 1.73 (1.21–2.49)
Pulmonary disease   
 No pulmonary disease 1 1
 Pulmonary disease 2.57 (1.46–4.52) 1.54 (0.98–2.41)
Depression   
 Geriatric depression scale <5 1 1
 Geriatric depression scale ≥5 2.81 (1.59–4.96) 4.68 (3.24–6.75)
Pain   
 No 1 1
 Mild 1.01 (0.59–1.73) 1.08 (0.74–1.59)
 Moderate 2.56 (1.23–5.32) 2.23 (1.26–3.93)
 Severe 0.39 (0.05–2.93) 2.34 (1.14–4.40)
  1. Covariates entered the model were age, gender, educational status, marital status, living status, smoking, alcohol use, diabetes mellitus, hypertension, heart disease, stroke, gouty arthritis, pulmonary diseases, depression, excessive daytime sleepiness, different severities of pain, falls