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Table 2 T-tests of differences between participants and decliners

From: Reasons for participation and non-participation in a diabetes prevention trial among women with prior gestational diabetes mellitus (GDM)

Continuous variables
  Consented to participate (n = 43) Declined to participate (n = 73) 95% Confidence interval (CI), Consent-No consent P-value
  Mean (SD) Mean (SD)   
Fasting plasma glucose at follow-up 5.3 (0.63) 5.2 (0.71) (-0.34, 0.17) 0.526
2-hour plasma glucose at follow-up 5.4 (1.55) 6.3 (2.37) (-0.06, 0.11) 0.619
BMI at follow-up 33.3 (5.98) 32.1 (6.59) (-3.52, 1.24) 0.344
Age at delivery 36.1 (4.48) 34.1 (5.05) (0.21, 3.8) 0.029
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