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Table 3 Results of a model using age, sex, baseline YMRS score and chronotype to predict the number of hypomania/mania episodes during the follow up period as derived from the LIFE interview

From: Late chronotype predicts more depressive symptoms in bipolar disorder over a 5 year follow-up period

 

Rate ratio [95% CI]

 

Age (years)

Sex (male)

YMRS

Early chronotype

Late chronotype

Hypomania/mania

0.999

[0.995–1.002]

1.142

[1.034–1.260]

1.050

[1.041–1.060]

0.921

[0.797–1.065]

0.747

[0.646–0.863]

  1. Females and normal chronotype were used as reference groups
  2. Bold RRs are significant at p < 0.01