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. Author manuscript; available in PMC: 2014 Jun 9.

Published in final edited form as: Circulation. 2009 Jul 6;120(3):221–228. doi: 10.1161/CIRCULATIONAHA.108.839241

Mean (a) Systolic and (b) Diastolic Blood Pressure (mm Hg) by Country-specific Quartiles of Glutamic Acid Intake (% Total Protein)*, Adjusted for Model 5b - Mg Covariates^†, For All 4,680 Participants. Whiskers are 99% Confidence Intervals. P for Trend: for (a), <0.001; for (b), P =0.12

* Country-specific quartile cut-offs for glutamic acid intake (% Total Protein) were: for Japan, 16.8 (25^th percentile), 17.6 (50^th percentile), 18.6 (75^th percentile); for PRC, 19.4, 25.1, 27.4); for UK, 19.4, 20.3, 21.5; for USA, 18.6, 19.7, 20.9

^† Estimated by analysis of variance, overall (coefficients not pooled by country). Adjusted for Country (not sample), Age, Gender, Special Diet, Supplement Intake, CVD-DM Diagnosis, Physical Activity, Family History of High BP, Urinary Na, Urinary K, 14-Day Alcohol, Cholesterol, Total SFA, Total PFA, Magnesium (see Table 1 footnote for units)

Mean (a) Systolic and (b) Diastolic Blood Pressure (mm Hg) by Country-specific Quartiles of Glutamic Acid Intake (% Total Protein)*, Adjusted for Model 5b - Mg Covariates^†, For All 4,680 Participants. Whiskers are 99% Confidence Intervals. P for Trend: for (a), <0.001; for (b), P =0.12

* Country-specific quartile cut-offs for glutamic acid intake (% Total Protein) were: for Japan, 16.8 (25^th percentile), 17.6 (50^th percentile), 18.6 (75^th percentile); for PRC, 19.4, 25.1, 27.4); for UK, 19.4, 20.3, 21.5; for USA, 18.6, 19.7, 20.9

^† Estimated by analysis of variance, overall (coefficients not pooled by country). Adjusted for Country (not sample), Age, Gender, Special Diet, Supplement Intake, CVD-DM Diagnosis, Physical Activity, Family History of High BP, Urinary Na, Urinary K, 14-Day Alcohol, Cholesterol, Total SFA, Total PFA, Magnesium (see Table 1 footnote for units)