Study Control CP CLP
Cases aORs (95% CI) Cases aORs (95% CI)
Waller et al. [32] OW = 858
NW = 2241
Total = 3099 		OW = 125
NW = 330
Total = 455 		1.03 (0.82 - 1.28) OW = 215
NW = 592
Total = 807 		0.97 (0.81 - 1.15)
Stott-Miller et al. [46] OW = 1945
NW = 4829
Total = 6774 		OW = 57
NW = 191
Total = 248 		0.84 (0.66 - 1.08) OW = 149
NW = 304
Total = 453 		1.27 (1.06 - 1.53)
Watkins et al. [58] OW = 55
NW = 212
Total = 267 		OW = 5
NW = 22
Total = 27 		a0.9 (0.3 - 2.4) OW = 8
NW = 21
Total = 29 		a1.5 (0.6 - 3.5)

aOR is unadjusted. The Adjusted OR was not reported.
Cases included both isolated and non-isolated orofacial cleft.
Excluded preexisting diabetes.
NW = normal weight (reference weight); OW = overweight.