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Table 1 Initial and Confirmatory Screening Criteria

From: Improving mental health through integration with primary care in rural Karnataka: study protocol of a cluster randomized control trial

Screening stage Inclusion criteria at each stage
Initial Screening
Inclusion Criteria
Enhanced screening (health fair or PHC)
Standard screening (PHC only)
Age: 30 years or older
Mental competency: Modified Short Blessed Cognitive Test [103] score ≤7
General psychological distress: The Kessler-10 [81] score ≥6
One or more of the following cut-off measures for diabetes, hypertension, and/or CVD:
• Capillary Blood Sugar ≥160 mg/dL
• Blood pressure ≥ 140/90 mmHg
• Possible Angina: Rose angina questionnaire [104]a
• Self-reported physician-diagnosed history of DM, hypertension or ischemic heart disease
Confirmatory Screening
Inclusion Criteria
(PHC only)
Depression/anxiety: The Mini-International Neuropsychiatric Interview (MINI) [82]
One or more of the following clinical measures for diabetes, hypertension, and/or CVD:
• Blood pressure ≥ 140/90 mmHg
• Capillary blood sugar ≥160 mg/dL
• Physician-diagnosed history of DM, hypertension or ischemic heart disease (patient must show prescription or medication)
• Possible rose anginab
Exclusion Criteria • not mentally competent to provide consent per the standard screener [103], answer to study measures and/or participate in the intervention.
• Participants who do not provide contact information
  1. a Patients who screen negative for hypertension and DM, but have possible angina on the rose angina questionnaire will be invited to the confirmatory screening
  2. b Patients who screen positive on the rose angina measure at initial screening and positive on the MINI during the confirmatory screening, but negative on hypertension and DM are marked as tentatively enrolled on the confirmatory screening form. At the baseline assessment electrocardiogram and cholesterol to check for CVD will confirm eligibility