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Table 3 Multivariate analysis of factors associated with frequency of hypnotics use (daily vs. as-needed use)***

From: Sleep pattern and predictors of daily versus as-needed hypnotics use in middle-aged and older adults with insomnia

Variables

Odds Ratio

95% CI

P-Value

Age

0.866

0.764–0.980

0.023

Duration of hypnotics used

1.134

0.988–1.302

0.074

Pain at nighta

1.370

0.901–2.081

0.141

Sleep durationb

1.010

1.001–1.018

0.025

PHQ-2

0.849

0.563–1.281

0.436

  1. aPain at night is a scale that ranges from 0 to 5, where 0 is no pain on any day during the week, and 5 is pain every day during the week
  2. bSleep duration is the time between when the patient falls to sleep at night and wakes up in the morning; it is a continuous variable measured in minutes
  3. ***The significance of this model is (P < 0.0001)