Table 2 Analysis groups

Possible Cases

Screen Positive CMD*

GHQ12 score

Feasible if rolled out and of significance to public health and primary care professionals – but includes 30% false positives;

Prevalence of ICD10 defined CMD* at 6 months

(primary)

Mean scores on CIS-R

(secondary)

Sub-Threshold Cases

Screen Positive CMD*, but not ICD10 cases

CISR computer algorithm

Sub-threshold cases who are at high risk of developing case-level CMD

Incidence of ICD10 CMD* in 6 months

(secondary)

Definite Cases

ICD 10 defined CMD*

CISR computer algorithm

Narrower, biomedical category of significance to mental health professionals

Prevalence of ICD10 defined CMD* at 6 months

(secondary)

Depression Cases

ICD 10 defined depression

CISR computer algorithm

Narrower, severe biomedical category of significance to mental health professionals

Prevalence of ICD10 defined CMD at 6 months

(secondary)