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  • Title: Associations of grandparental diabetes mellitus with grandchild BMI status.
    Author: Lai Y, Qi J, Tao X, Huang K, Yan S, Chen M, Hao J, Tao F.
    Journal: BMC Public Health; 2019 Feb 11; 19(1):172. PubMed ID: 30744597.
    Abstract:
    BACKGROUND: Maternal family history of diabetes was significantly and positively associated with birth weight in grandchildren, we aim to assess the effect of grandparental diabetes on the grandchild' body mass index (BMI) at infancy peak (IP) and obesity status at age 2. METHODS: In our study, family diabetes mellitus (DM) information from Ma'anshan Birth Cohort Study (MABC) were gathered. For children, height and weight were retrieved from medical records. BMI at 6 observations (0, 3, 6, 9, 12, 18 months) was plotted for every child. Onset of IP was determined by visual inspection. BMI at age 2 was categorized according to WHO Child Growth Standards as normal, overweight or obesity. The association between maternal grandfather' diabetes and the grandchild' BMI at IP and BMI at age 2 were tested using linear regression models and logistic regression models, respectively. RESULTS: In our sample, about 6% of the maternal grandfather had DM, mean of infancy BMI peak was 18.37 kg/m2, and 6.6% of the children were obesity at age 2. Maternal grandfather with DM could significantly increase the IP BMI values (β = 0.30, 95 CI = 0.02~0.57), and was associated with obesity status at age 2 (OR = 1.92, 95 CI = 1.08~3.39), but maternal grandmother and paternal grandparents were unrelated. CONCLUSION: These results suggest that DM in maternal grandfather may be a risk factor for the grandchild high BMI at peak and obesity at age 2.
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