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Table 1 Chi-square analysis of association

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

Categorical variables
  Consented to participate n = 43 (37%) Declined to participate n = 73 (63%) All (n = 116) P-value χ2test
First degree relative with diabetes mellitus     
No 22 (35%) 41 (65%) 63 0.601
Yes 21 (40%) 32 (60%) 53  
Smoker     
Past 17 (41%) 25 (59%) 42 0.790
Current 7 (39%) 11 (61%) 18  
Never 19 (34%) 37 (66%) 56  
Meets daily exercise requirements     
No 5 (31%) 11 (69%) 16 0.604
Yes 38 (38%) 62 (62%) 100  
Meets daily fruit and vegetable requirements     
No 0 3(100%) 3 0.178
Yes 43 (38%) 70 (62%) 113  
Insulin use during pregnancy     
No 33 (46%) 38 (54%) 71 0.008 95% CI (7.5, 41)
Yes 10 (22%) 35 (77%) 45  
IFG at follow-up     
No 34 (36%) 61 (64%) 95 0.544
Yes 12 (57%) 9 (43%) 21  
IGT at follow-up     
No 41 (38%) 68 (62%) 109 0.631
Yes 2 (29%) 5 (71%) 7  
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