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1.
Diabetologia ; 57(1): 30-9, 2014 Jan.
Article in English | MEDLINE | ID: mdl-24065153

ABSTRACT

AIMS/HYPOTHESIS: The relationships between smoking and glycaemic variables have not been well explored. We compared HbA1c, fasting plasma glucose (FPG) and 2 h plasma glucose (2H-PG) in current, ex- and never-smokers. METHODS: This meta-analysis used individual data from 16,886 men and 18,539 women without known diabetes in 12 DETECT-2 consortium studies and in the French Data from an Epidemiological Study on the Insulin Resistance Syndrome (DESIR) and Telecom studies. Means of three glycaemic variables in current, ex- and never-smokers were modelled by linear regression, with study as a random factor. The I (2) statistic was used to evaluate heterogeneity among studies. RESULTS: HbA1c was 0.10% (95% CI 0.08, 0.12) (1.1 mmol/mol [0.9, 1.3]) higher in current smokers and 0.03% (0.01, 0.05) (0.3 mmol/mol [0.1, 0.5]) higher in ex-smokers, compared with never-smokers. For FPG, there was no significant difference between current and never-smokers (-0.004 mmol/l [-0.03, 0.02]) but FPG was higher in ex-smokers (0.12 mmol/l [0.09, 0.14]). In comparison with never-smokers, 2H-PG was lower (-0.44 mmol/l [-0.52, -0.37]) in current smokers, with no difference for ex-smokers (0.02 mmol/l [-0.06, 0.09]). There was a large and unexplained heterogeneity among studies, with I (2) always above 50%; I (2) was little changed after stratification by sex and adjustment for age and BMI. In this study population, current smokers had a prevalence of diabetes that was 1.30% higher as screened by HbA1c and 0.52% lower as screened by 2H-PG, in comparison with never-smokers. CONCLUSION/INTERPRETATION: Across this heterogeneous group of studies, current smokers had a higher HbA1c and lower 2H-PG than never-smokers. This will affect the chances of smokers being diagnosed with diabetes.


Subject(s)
Blood Glucose/metabolism , Fasting/blood , Glycated Hemoglobin/metabolism , Smoking/blood , Smoking/metabolism , Humans
2.
Prim Care Diabetes ; 4(2): 99-103, 2010 Jul.
Article in English | MEDLINE | ID: mdl-20452302

ABSTRACT

AIMS: Qingdao Diabetes Prevention Program aims to translate the trial experience to real-life settings with goals to: (1) raise the public awareness of diabetes and diabetes risk factors, and promote healthy diet and physical activity; (2) reduce the number of high-risk people developing diabetes through lifestyle counselling; (3) early diagnosis of diabetes; (4) evaluate the effectiveness, cost-effectiveness, feasibility, acceptability and sustainability of the programs. PROGRAM DESIGN: The project's first phase (2006-2009) was focused on health promotion targeting at the entire population of 1.94 million, and training of professionals; and the second phase (2009-2012) on lifestyle counselling targeting at individuals with a diabetes risk score of >or=14. The effectiveness of the intervention and the cost-effectiveness of the program between the intervention arm (n=8000) and the control arm (n=4000) who are randomly selected from the project targeting and not-targeting areas will be evaluated with the diabetes incidence as the primary outcome. Milestone achieved from 2006 to 2009: 3993 health professionals finished training courses; 724,130 educational booklets were distributed to families and 318,284 high-risk individuals recorded and 130,164 underwent at least one follow-up counselling session.


Subject(s)
Counseling/organization & administration , Diabetes Mellitus, Type 2/epidemiology , Diabetes Mellitus, Type 2/prevention & control , Health Promotion/organization & administration , Patient Education as Topic/organization & administration , China/epidemiology , Cost-Benefit Analysis , Counseling/economics , Feasibility Studies , Health Promotion/economics , Incidence , Life Style , Pamphlets , Patient Education as Topic/economics , Registries , Risk Factors , Rural Population/statistics & numerical data , Sample Size , Urban Population/statistics & numerical data
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