Please select the arm or intervention descriptions that belong to the clinical trial below.
Title: Developing and Scaling a Text Messaging Tool to Help Pregnant Smokers
Brief Summary: The goal of this project is to evaluate the effectiveness (Phase II) of a text-based program to be called Quit4Baby to support smoking cessation efforts of pregnant women who smoke.

In Phase II, Dr. Abroms will conduct a randomized clinical trial among 500 pregnant smokers who have been recruited from users of text4baby - the first large scale mobile health application in the United States. Developed and operated by Voxiva and Healthy Mothers, Healthy Babies (HMHB)-collaborators in this program -text4baby is a free national service that has enrolled more than 800,000 pregnant women and mothers of infants 0-1 nationwide and delivered more than 150 million health messages to them including messages encouraging them not to smoke during pregnancy and referring them to quit lines.

Hypothesis 1: Pregnant smokers who receive quit4Baby + text4Baby will demonstrate higher levels of knowledge about the dangers of second hand smoke and the benefits of smoking cessation for mothers and their infants than text4baby only users.

Hypothesis 2: Pregnant smokers who receive quit4baby + text4baby will report significantly higher rates of calling a quit line, discussions with their health provider and/or use of cessation counseling than those who receive Text4baby alone.

Hypothesis 3: Pregnant smokers who receive quit4baby + text4baby will have significantly more favorable quitting outcomes compared with text4baby alone.


Options:
A: Arm Label: Intervention; Type: EXPERIMENTAL; Interventions: Behavioral: Quit4Baby, Behavioral: Text4Baby | Arm Label: Control; Type: OTHER; Interventions: Behavioral: Text4Baby | Intervention Type: BEHAVIORAL; Name: Quit4Baby; Assigned to Arm(s): Intervention | Intervention Type: BEHAVIORAL; Name: Text4Baby; Assigned to Arm(s): Control, Intervention
B: Arm Label: Controls; Type: NO_INTERVENTION; Interventions: N/A | Arm Label: Reminders alone; Type: ACTIVE_COMPARATOR; Interventions: Behavioral: Reminders alone | Arm Label: Reminders + compliance-linked incentives; Type: ACTIVE_COMPARATOR; Interventions: Behavioral: Reminders alone, Behavioral: Compliance-linked incentives | Intervention Type: BEHAVIORAL; Name: Reminders alone; Assigned to Arm(s): Reminders + compliance-linked incentives, Reminders alone | Intervention Type: BEHAVIORAL; Name: Compliance-linked incentives; Assigned to Arm(s): Reminders + compliance-linked incentives
C: Arm Label: Text and Voice Messages; Type: EXPERIMENTAL; Interventions: Behavioral: Text and Voice Messages | Arm Label: Interactive Phone Call; Type: EXPERIMENTAL; Interventions: Behavioral: Interactive Phone Call | Arm Label: Control; Type: NO_INTERVENTION; Interventions: N/A | Intervention Type: BEHAVIORAL; Name: Text and Voice Messages; Assigned to Arm(s): Text and Voice Messages | Intervention Type: BEHAVIORAL; Name: Interactive Phone Call; Assigned to Arm(s): Interactive Phone Call
D: Arm Label: Control; Type: NO_INTERVENTION; Interventions: N/A | Arm Label: SMS reminder; Type: EXPERIMENTAL; Interventions: Behavioral: SMS reminder | Arm Label: SMS reminder + Unconditional Incentive; Type: EXPERIMENTAL; Interventions: Behavioral: SMS reminder, Behavioral: Unconditional Incentive | Intervention Type: BEHAVIORAL; Name: SMS reminder; Assigned to Arm(s): SMS reminder, SMS reminder + Unconditional Incentive | Intervention Type: BEHAVIORAL; Name: Unconditional Incentive; Assigned to Arm(s): SMS reminder + Unconditional Incentive

Answer: A