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. 2023 Aug 22;6(8):e2330255. doi: 10.1001/jamanetworkopen.2023.30255

Table 2. Bayley-III Scores for Children by Intervention Group (N = 626).

Bayley-III domain Mediterranean diet (n = 218) Stress reduction (n = 215) Usual care (n = 193) Mediterranean diet vs usual care Stress reduction vs usual care
Mean difference (95% CI) P value Mean difference (95% CI) P value
Cognitive composite score, mean (SD) 123.6 (17.8) 119.3 (19.6) 118.6 (18.3) 5.02 (1.52 to 8.53) .005 0.67 (−3.02 to 4.38) .72
Cognitive score <85, No. (%) 2 (0.9) 8 (3.7) 7 (3.6) NA .06 NA .96
Language composite score, mean (SD)a 107.9 (19.2) 104.7 (17.7) 105.5 (17.0) 2.40 (−1.15 to 5.96) .18 −0.78 (−4.20 to 2.63) .65
Language score <85, No. (%)a 15 (6.9) 19 (8.9) 16 (8.5) NA .55 NA .86
Motor composite score, mean (SD)b 113.3 (14.4) 113.4 (13.9) 114.7 (13.8) −1.40 (−4.17 to 1.33) .31 −1.37 (−4.07 to 1.34) .32
Motor score <85, No. (%)b 0 1 (0.5) 3 (1.6) NA .06 NA .27
Social-emotional composite score, mean (SD)c 108.6 (22.0) 108.2 (24.0) 103.4 (18.5) 5.15 (1.18 to 9.12) .01 4.75 (0.54 to 8.85) .02
Social-emotional score <85, No. (%)c 24 (11.1) 23 (10.7) 28 (14.5) NA .30 NA .25
Adaptive composite score, mean (SD)d 94.8 (16.3) 93.0 (16.5) 94.0 (15.5) 0.82 (−2.28 to 3.92) .60 −0.99 (−4.12 to 2.13) .53
Adaptive score <85, No. (%)d 50 (23.1) 58 (26.9) 51 (26.4) NA .44 NA .90

Abbreviations: Bayley III, Bayley Scales of Infant and Toddler Development, 3rd edition; NA, not applicable.

a

n = 620.

b

n = 625.

c

n = 624.

d

n = 624.