Table 1—

PTC staging measures

ComponentHealthy eatingSMBGSmoking
Criterion for action stageConsuming diet with <30% fatTesting frequency ≥four times daily for insulin users or ≥two times daily if on oral agentsSmoking cessation
Stage of change measures
  • A single-item staging algorithm based on intention alone

  • Five behavioral items regarding eating habits

  • A follow-up staging question

  • Self-reported testing frequency

  • A single-item staging algorithm based on intention alone

  • Smoking history

  • Current smoking status

  • Intention to quit

  • History of quit attempts