Table 2: Baseline characteristics of maternal covariates by tertiles of AHEI-P.

T1 T2 T3 -valueOverall

Maternal demographics
Age, years <0.001
Race, (%)
 White264 (89.5)261 (87.9)251 (84.8)0.22777 (87.4)
Education, (%)
 High school or less68 (23.9)42 (14.7)43 (15.3)<0.001154 (18.0)
 Some College126 (44.2)108 (37.8)102 (36.2)336 (39.3)
 Associate or BA73 (25.6)97 (33.9)101 (35.8)271 (31.7)
 Master or more18 (6.3)39 (13.6)36 (12.8)93 (10.9)
Poverty index ratio, (%)
 <185%138 (46.5)105 (35.2)92 (31.0)<0.0001335 (37.5)
 185 to 350%114 (38.4)118 (39.6)113 (38.1)346 (38.8)
 ≥350%45 (15.2)75 (25.2)92 (31.0)212 (23.7)
Maternal health
Smoked, (%)31 (10.5)25 (8.5)17 (5.8)0.1174 (8.3)
Alcohol, g 0.16
Prepregnancy BMI, kg/m2 <0.0001
Gestational weight gain, kg 0.12
Total food energy, kcal <0.0001
Infant Health
Gestational age, weeks 0.62
Birthweight
 Birthweight, g 0.14
 BW 10th percentile, (%)24 (8.1)23 (7.7)24 (8.1)0.9871 (7.95)
 BW 90th percentile, (%)32 (10.8)22 (7.4)28 (9.4)0.3582 (9.18)

Diet scores
 AHEI-P, range 33–52 (297)53–62 (298)63–98 (297)
 aMEDa, range 0–3 (369)4-5 (333)6–8 (191)

Carbohydrate quality
 GIb, range 35–48 (297)49–51 (298) 52–63 (298)
 GLc, range 38–107 (297) 108–152 (298) 153–520 (298)

Alternate Mediterranean diet, out of 8 pts; bglycemic index; cglycemic load.