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Table 1 Regression coefficients (and 95% C.I.) for blood pressure over sodium excretion adjusted for age, sex, locality, body mass index (random effect model)

From: A community programme to reduce salt intake and blood pressure in Ghana [ISRCTN88789643]

Unit change Systolic B.P. (mmHg) Diastolic B.P. (mmHg)
50 mmol of 24 h urinary sodium 2.17 (0.44 to 3.91)# 1.01 (0.08 to 1.94)#
Unit of sodium: creatinine ratio 0.45 (0.17 to 0.75)# 0.18 (0.02 to 0.33)#
Unit of sodium: potassium ratio 1.74 (0.45 to 3.03)# 1.16 (0.43 to 1.80)#
  1. Adjusted for time of day. # p < 0.001