nominally significantp < 0.05
As shown in Fig 4 , box plots revealed that observed median weight and height Z-scores at 10 or 11 years of age, as well as BMI Z-scores, were greater in the 1991 ALSPAC and 2001 MCS compared to the older three cohorts; these comparisons were nominally significant at p < 0.05 ( S10 Table ).