Table 5.

Duration of interviews based on fixed sequence modules.

Module	N	Mean duration, (minutes)	95% CI
Self-reported health,symptoms	167	8.2	7.8 to 8.5
Self-reported health, symptoms, satisfaction	7	8.9	5.8 to 11.9
Self-reported health, symptoms, PHQ-2	37	9.5	8.5 to 10.5
Self-reported health, symptoms, PHQ-2, tobacco	1169	10.0	9.8 to 10.2
Self-reported health, symptoms, PHQ-2, tobacco, satisfaction	290	11.5	11.1 to 11.9

Instruments: Self-reported health, NIH PROMIS 10-item short form; symptoms, memorial symptom assessment scale (17-item MSAS); satisfaction, HRSA patient satisfaction survey; PHQ, two-item public health questionnaire depression screen; tobacco, 1 to 3 item conditional logic screen based on the Fagerström assessment.