Please select the arm or intervention descriptions that belong to the clinical trial below.
Title: Trial Comparing Different Methods of Support With Stopping Smoking Offered Through The National Health Service (NHS) Smoking Helpline
Brief Summary: This study shall determine whether or not proactive telephone support for smoking cessation delivered to quitline callers is more effective than standard 'reactive' provision and whether or not the offer of a voucher for a cost free supply of nicotine replacement therapy (NRT) has any additional impact on smoking cessation rates achieved by behavioural interventions.


Options:
A: Arm Label: Control; Type: ACTIVE_COMPARATOR; Interventions: Behavioral: Smoking cessation | Arm Label: Simultaneous; Type: EXPERIMENTAL; Interventions: Behavioral: Weight gain prevention and smoking cessation | Arm Label: Sequential; Type: EXPERIMENTAL; Interventions: Behavioral: Weight gain prevention and smoking cessation | Intervention Type: BEHAVIORAL; Name: Weight gain prevention and smoking cessation; Assigned to Arm(s): Sequential, Simultaneous | Intervention Type: BEHAVIORAL; Name: Smoking cessation; Assigned to Arm(s): Control
B: Arm Label: Life Style Counseling; Type: EXPERIMENTAL; Interventions: Behavioral: IVR intervention | Arm Label: Life Counseling; Type: ACTIVE_COMPARATOR; Interventions: Behavioral: IVR control | Intervention Type: BEHAVIORAL; Name: IVR intervention; Assigned to Arm(s): Life Style Counseling | Intervention Type: BEHAVIORAL; Name: IVR control; Assigned to Arm(s): Life Counseling
C: Arm Label: Arm 1 - proactive, intensive counseling; Type: EXPERIMENTAL; Interventions: Procedure: Proactive outreach to counseling, Procedure: Intensive counseling | Arm Label: Arm 2 - reactive, intensive counseling; Type: EXPERIMENTAL; Interventions: Procedure: Reactive outreach to counseling, Procedure: Intensive counseling | Arm Label: Arm 3 - proactive, self-help; Type: EXPERIMENTAL; Interventions: Procedure: Proactive outreach to counseling, Procedure: Self-help | Arm Label: Arm 4 - reactive, self-help; Type: EXPERIMENTAL; Interventions: Procedure: Reactive outreach to counseling, Procedure: Self-help | Intervention Type: PROCEDURE; Name: Proactive outreach to counseling; Assigned to Arm(s): Arm 1 - proactive, intensive counseling, Arm 3 - proactive, self-help | Intervention Type: PROCEDURE; Name: Reactive outreach to counseling; Assigned to Arm(s): Arm 2 - reactive, intensive counseling, Arm 4 - reactive, self-help | Intervention Type: PROCEDURE; Name: Intensive counseling; Assigned to Arm(s): Arm 1 - proactive, intensive counseling, Arm 2 - reactive, intensive counseling | Intervention Type: PROCEDURE; Name: Self-help; Assigned to Arm(s): Arm 3 - proactive, self-help, Arm 4 - reactive, self-help
D: Arm Label: Standard support; Type: ACTIVE_COMPARATOR; Interventions: Behavioral: Reactive (standard) telephone support | Arm Label: Proactive telephone support; Type: ACTIVE_COMPARATOR; Interventions: Behavioral: Proactive telephone support | Arm Label: Standard support & offer NRT; Type: ACTIVE_COMPARATOR; Interventions: Behavioral: Reactive (standard) telephone support, Drug: Offer of voucher for cost-free Nicotine Replacement Therapy | Arm Label: Proactive support & offer NRT; Type: ACTIVE_COMPARATOR; Interventions: Behavioral: Proactive telephone support, Drug: Offer of voucher for cost-free Nicotine Replacement Therapy | Intervention Type: BEHAVIORAL; Name: Proactive telephone support; Assigned to Arm(s): Proactive support & offer NRT, Proactive telephone support | Intervention Type: BEHAVIORAL; Name: Reactive (standard) telephone support; Assigned to Arm(s): Standard support, Standard support & offer NRT | Intervention Type: DRUG; Name: Offer of voucher for cost-free Nicotine Replacement Therapy; Assigned to Arm(s): Proactive support & offer NRT, Standard support & offer NRT

Answer: D