Metric Properties of the Neighborhood Inventory for Environmental Typology (NIfETy): An Environmental Assessment Tool for Measuring Indicators of Violence, Alcohol, Tobacco, and Other Drug Exposures

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Abstract
Objectives: Establish metric properties of the Neighborhood Inventory for Environmental Typology (NIfETy). Method: A total of 919 residential block faces were assessed by paired raters using the NIfETy. Reliability was evaluated via interrater and internal consistency reliability; validity by comparing NIfETy data with youth self-reported violence, alcohol, and other drug exposure and crime statistics. Results: Validity and reliability metrics were moderate to exemplary for the total scale and subscales. NIfETy data correlated strongly with crime data and youth self-reported exposure. Conclusions: The NIfETy is valid and reliable. Future investigations will explore its use in other urban centers and association to other health outcomes.