MHTIMining Heritage Trust of Ireland
MHTIModular Housing Training Institute (Pennsylvania College of Technology)
MHTIMike Henry Travel Insurance (New Zealand)
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The MHTI is the summative index of four items from GAIN that assessed the nights or times of visiting the emergency room, staying in the hospital, or visiting an outpatient facility for mental health problems divided by the range of 90 days.
Mean values for the MHTI across time are shown in Table 2.