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Table 1 Sample characteristics at baseline of 137 bipolar patients

From: Data quality indicators for daily life chart methodology: prospective self-ratings of bipolar disorder and alcohol use

Demographic variables Clinical variables
  Mean ± SD Type BD disorder Total (%)
Age, years 45.9 ± 10.2 Bipolar I 90 (65.7)
  Bipolar II 47 (34.3)
  Total (%)   Mean ± SD
Gender   Duration bipolar disorder, years 21.7 ± 11.5
 Male 72 (53)   
 Female 65 (47)   
   Onset age bipolar disorder, years 24.1 ± 9.9
Marital status
 With partner 67 (49) No. of episodes  
 Without partner 69 (50) Depression 15.3 ± 23.4
 Unknown 1 (1) (Hypo)mania 13.8 ± 21.5
Annual income   N of hospitalisations  
 <20,000 € 82 (62) Depression 0.9 ± 2.1
 ≥20,000 € 50 (38) (Hypo)mania 1.3 ± 2.3
Educational level
 ≤High school 65 (47)   
 >High school 71 (52)   
 Unknown 1 (1)