To study cigarette smoking as a risk factor for the development of schizophrenia, a study is planned to survey 100 pts with schizophrenia and 100 age-matched controls with regards to their smoking hx. Which type of study is this?

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Psychiatric-Mental Health NP Certification.
 


1. To study cigarette smoking as a risk factor for the development of schizophrenia, a study is planned to survey 100 pts with schizophrenia and 100 age-matched controls with regards to their smoking hx. Which type of study is this?