Smoking elderly males with stage 1 and 2 hypertension who currently smoked at least one cigarette per day and were willing to quit smoke will be invited to this cluster randomized, controlled, interventional, open clinical trial. The investigators will provide participants with group education of smoking cessation and their blood pressure measured at clinic at the sixth month is the primary endpoint. The investigators aim to explore how group education of smoking cessation effects smoking cessation, hypertension control and cardiovascular events.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Enrollment
2,000
Group education is one of strategies and behavioural interventions of smoking cessation. Lectures, group meeting for mutual support, discussion of coping skills and suggestions for prevention relapse can help smokers quit smoking by providing support and encouragement from people in same condition.
Including regular follow-up of smoking status and giving advice of smoking cessation
change of clinic systolic blood pressure from baseline at the sixth month
Time frame: 6 months
Cardiovascular events (cardiovascular death, stroke,myocardial infarction)
Time frame: 6 months, 1 year, 2years, 3 years
change of clinical blood pressure and home blood pressure from baseline
Time frame: 1 month, 2 month, 3 month, 6 month, 1 year, 2 years, 3 years
Hypertension control rate
Time frame: 1 month, 2 month, 3 month, 6 month, 1 year, 2 years, 3 years
Biochemical smoking cessation rate
CO≤6 ppm
Time frame: 6 months
Self-reported 7-days smoking cessation rate
Time frame: 1 month, 2 month, 3 month, 6 month, 1 year, 2 years, 3 years
Self-reported long-term smoking cessation rate
Participants hadn't smoked for at least one month.
Time frame: 1 month, 2 month, 3 month, 6 month, 1 year, 2 years, 3 years
Self-reported average number of cigarettes smoked per day
Time frame: 1 month, 2 month, 3 month, 6 month, 1 year, 2 years, 3 years
Relapse rate
Time frame: 6 month
Mini-Mental State Examination score
The cognitive function of participants will be assessed by MMSE. The score of MMSE ranges from 0 (worse) to 30 (better).
Time frame: 6 months
FEV1-Pulmonary functions
Forced expiratory volume in 1 second (FEV1) is the volume of air exhaled in the first second during forced exhalation after maximum inspiration.
Time frame: 6 months
PEF-Pulmonary functions
Peak expiratory flow (PEF), the maximal flow that can be exhaled when blowing out at a steady rate.
Time frame: 6 months
FVC-Pulmonary functions
Forced vital capacity (FVC), is the maximum amount of air that can be exhaled when blowing out as fast as possible.
Time frame: 6 months
Fagerstrom Test for Nicotine Dependence score
The score of FTND ranges from 0 to 10. Participants with higher scores have higher degree of tobacco dependence and are less likely to maintain the status of smoking cessation.
Time frame: 6 months
Carbon monoxide concentration breathed
Time frame: 6 months
Adverse events, including nicotine withdrawal symptoms and other adverse events.
Nicotine withdrawal symptoms were quantified using the Minnesota Tobacco Withdrawal Scale (MNWS).
Time frame: 1 month, 2 month, 3 month, 6 month, 1 year, 2 years, 3 years
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