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Table 11 Meta-regression analysis for difference in HbA1c between current and quitters

From: Relationship of cardiometabolic parameters in non-smokers, current smokers, and quitters in diabetes: a systematic review and meta-analysis

Covariate

N studies

Coefficient (95% CI)

p value

Mean study age

4

0.01 (−0.02, 0.03)

0.432

Study age criteria (under 22 or over 18)

4

0.36 (−1.06, 1.79)

0.391

Type I or type II diabetes

4

0.21 (−1.46, 1.89)

0.640

Male (percent)

4

0.001 (−0.035, 0.037)

0.909

Study design

4

0.40 (0.13, 0.66)

0.022

Duration smoked

3

0.003 (−0.063, 0.070)

0.628

  1. The italics values were to indicate statistical significance. A value of <0.05 was statitically significant
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Cardiovascular Diabetology

ISSN: 1475-2840