期刊
INTERNATIONAL JOURNAL OF OBESITY
卷 26, 期 12, 页码 1539-1546出版社
SPRINGERNATURE
DOI: 10.1038/sj.ijo.0802166
关键词
blood pressure; obesity; weight changes; birth weight; catch-up
OBJECTIVE: To determine the influence on blood pressure of relative weight from birth through adulthood in non-obese and juvenile obese men. DESIGN: Case-cohort study of obesity in Danish men, identified at age (mean +/- s.d.) 19.8 +/- 1.6 y at draft board examination, who participated in at least one of two follow-up studies in adulthood (age 36.8 +/- 6.7 and 47.9 +/- 6.8 y at first and second follow-up, respectively). Birth weight and weight and height from the age of 7 - 13 y were collected from school health records. SUBJECTS: Three hundred and twenty-seven non-obese men (controls) selected as 0.5% of the draft board population and 285 obese men with body mass index (BMI) greater than or equal to 31 kg/ m(2) at draft board examination. MAIN OUTCOME MEASURES: Systolic and diastolic blood pressure measured twice in adulthood adjusted for current age. RESULTS: Birth weight was inversely related to systolic blood pressure at first and second follow-up, but only significantly so when adjusted for current BMI (regression coefficients in mmHg per unit Z-score (95% confidence interval (Cl)) - 1.2 (- 2.3, - 0.1) and - 1.6 (- 3.1, 0.0)). Change in Z-score from birth weight to BMI at the age of 7y was significantly positively related to systolic blood pressure, but the relationship weakened by adjustment for current BMI (0.8 (0.1, 1.6) and 0.6 ( - 0.4, 1.6), respectively). If both birth weight and change until 7y were included in the same model, their effects were both positive and significant, but they weakened and became not significant when adjusted for current BMI. BMI since the age of 7y had no significant effect on blood pressure beyond that of current BMI. CONCLUSION: In a wide range of adult BMI in men, the birth weight was inversely related to systolic blood pressure, even when controlled for BMI since the age of 7y. However, the effect may reflect the weight change between birth and 7y of age. After that age BMI had no additional effect on blood pressure beyond the effect of current BMI.
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