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Table 6 Spearman’s rank order correlations of quality indicators with background characteristics

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

  Compliance Consistency Reactivity
Observation length Missings % LC depression-CGI expert LC mania-CGI expert LC mood-LC severity Alcohol consumption week 1–4
Education 0.04 0.06 −0.07 −0.11 0.00 0.03
Income 0.14 0.10 0.03 −0.03 0.01 −0.19*
Age 0.09 0.03 0.21* 0.13 0.11 −0.24*
Gender (t-test) t = 2.55 p = 0.012# t = −0.59 NS. t = 0.84 NS t = −0.63 NS t = 0.97 NS t = 1.52 p = NS
  1. * Significant at level p < 0.05
  2. #Positive T: for females a higher data quality obtains