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Table 1 Stepwise procedures

From: Care to Quit: a stepped wedge cluster randomised controlled trial to implement best practice smoking cessation care in cancer centres

Week

0

1

…

31

 

Contact

1

2

 

3

 

Enrolment

Screening

X

    

Informed consent

X

    

Baseline assessment

Computer-assisted telephone interview

 

X

   

Follow-up assessment

Computer-assisted telephone interview

   

X

 

Biochemical verification of abstinencea (breath carbon monoxide or salivary cotinine test)

   

X

 

Post study period

Medical record audit

    

X

Quitline data extractionb

    

X

  1. aFor reported abstainers
  2. bFor participants who report using the Quitline service