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Table 1 Instrument development activities

From: Development of the PRE-HIT instrument: patient readiness to engage in health information technology

Activity Participants Items
4 Focus groups to identify domains 16 ---
Literature review of existing scales --- ---
Initial item writing based on domains --- 98
Choosing best items based on best practices --- 53
Feasibility testing/cognitive interviewing 21 53
Instrument development sample 200 53
Test-retest reliability 45 53
Final instrument --- 28