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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