Longitudinal dietary trajectories from preconception to mid-childhood in women and children in the Southampton Women’s Survey and their relation to offspring adiposity: a group-based trajectory modelling approach

A 1-category decrease in the mother-offspring diet quality trajectory from preconception to mid-childhood was associated with higher DXA percentage body fat and BMI z-score at age 8-9 years, after adj

Effect: decline; 0.08SD per 1-category decrease in diet trajectory (for both %body fat and BMI z-score); CI: 95% CI 0.01, 0.15 for %body fat; 95% CI 0.00, 0.1

After adjustment for confounders, a 1-category decrease in the diet quality trajectory was not significantly associated with arm circumference or waist circumference at age 8-9 years, despite signific

Effect: null; 0.05SD per 1-category decrease for arm circumference; 0.06SD for waist circumference; CI: 95% CI -0.02, 0.12 for arm circumference; 95% CI -0.01

A poorer mother-offspring diet quality trajectory was strongly associated with smoking in pregnancy, multiparity, higher maternal pre-pregnancy BMI, lower maternal age, and lower educational attainmen

Effect: decline; OR 6.68 for smoking in pregnancy; OR 2.63 for multiparity; OR 1.05 per kg/m2 BMI; OR 0.89 per year of maternal age; CI: 95% CI 5.45, 8.19 for

Diet quality trajectories were characterized as stable horizontal lines from preconception to child age 8-9 years, with 5 distinct groups (poor 5%, poor-medium 23%, medium 39%, medium-better 28%, best

Effect: decline