Table 3.

Descriptive characteristics for patients with pregnancies complicated by neural tube defects in Hispanic versus non-Hispanic zip codes after initiation of fortification of corn masa flour

	Non-Hispanic zip codes NTD/total pregnancies n = 9346/1,540,544	Hispanic zip code NTD/total pregnancies n = 1650/259,143	p-value
Age n (%)			0.024*/ < .001*
15–19	174 (5.8)/57,669 (8.4)	24 (4.8)/8475 (7.9)
20–24	668 (22.2)/156,818 (22.8)	114 (22.7)/22,792 (21.3)
25–29	804 (26.7)/177,512 (25.8)	137 (27.3)/26,943 (25.2)
30–34	836 (27.8)/153,477 (22.3)	118 (23.5)/24,295 (22.7)
35–39	409 (13.6)/91,348 (13.3)	84 (16.7)/15,736 (14.7)
40–44	116 (3.9)/34,890 (5.1)	25 (5)/6194 (5.8)
45–50	0 (0)/15,937 (2.3)	0 (0)/2405 (2.3)

*Significant values P < 0.05