Abstract
OBJECTIVE Water intake alters vasopressin secretion. Recent findings reveal an independent association between plasma copeptin, a surrogate for vasopressin, and risk of diabetes.
RESEARCH DESIGN AND METHODS Participants were 3,615 middle-aged men and women, with normal baseline fasting glycemia (FG), who were recruited in a 9-year follow-up study. Odds ratios (Ors) and 95% CIs for the incidence of hyperglycemia (FG ≥6.1 mmol/L or treatment for diabetes) were calculated according to daily water intake classes based on a self-administered questionnaire.
RESULTS During follow-up, there were 565 incident cases of hyperglycemia. After adjustment for confounding factors, ORs (95% CIs) for hyperglycemia associated with classes of water intake (<0.5 L, n = 677; 0.5 to <1.0 L, n = 1,754; and >1.0 L, n = 1,184) were 1.00, 0.68 (0.52–0.89), and 0.79 (0.59–1.05), respectively (P = 0.016).
CONCLUSIONS Self-reported water intake was inversely and independently associated with the risk of developing hyperglycemia.
- Received April 6, 2011.
- Accepted September 4, 2011.
- © 2011 by the American Diabetes Association.
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Volume 42, Issue 10
