International Journal of Hypertension

Research Article

Blood Pressure and Haematological Indices in Twelve Communities in Ashanti, Ghana

Table 2

Systolic BP and diastolic BP (adjusted and unadjusted for BMI) by gender versus measures of viscosity: regression coefficients.


	Men ()	Women ()	Interaction ()

Systolic blood pressure
Haematocrit (%)
Haematocrit only	0.54 (0.06 to 1.01)	1.00 (0.51 to 1.49)	0.47 (−0.22 to 1.16)
Adjusted for age	0.67 (0.20 to 1.14)	0.91 (0.44 to 1.37)	0.24 (−0.42 to 0.90)
Adjusted for age, BMI	0.50 (0.03 to 0.97)	0.69 (0.22 to 1.15)	0.17 (−0.50 to 0.83)
Adjusted for age, BMI, smoking	0.49 (0.02 to 0.96)	#	#
Haemoglobin (g/dL)
Haemoglobin only	1.58 (0.16 to 3.00)	3.43 (1.90 to 4.95)	1.85 (−0.23 to 3.94)
Adjusted for age	2.03 (0.63 to 3.44)	3.33 (1.90 to 4.76)	1.33 (−0.67 to 3.33)
Adjusted for age, BMI	1.46 (0.05 to 2.87)	2.73 (1.27 to 4.19)	1.25 (−0.78 to 3.29)
Adjusted for age, BMI, smoking	1.47 (0.06 to 2.87)	#	#
Red blood count (×10¹²/L)
Red blood count only	4.6 (0.8 to 8.4)	7.3 (3.6 to 11.0)	2.70 (−2.67 to 8.07)
Adjusted for age	5.7 (2.0 to 9.5)	7.0 (3.5 to 10.4)	1.27 (−3.89 to 6.43)
Adjusted for age, BMI	4.3 (0.6 to 8.1)	5.5 (2.0 to 9.0)	1.20 (−4.01 to 6.37)
Adjusted for age, BMI, smoking	4.3 (0.6 to 8.1)	#	#
Mean corpuscular volume (fL)
Mean corpuscular volume only	−0.04 (−0.36 to 0.27)	−0.09 (−0.38 to 0.20)	0.03 (−0.40 to 0.45)
Platelets (×10¹²/L)
Platelets only	0.01 (−0.02 to 0.04)	−0.01 (−0.03 to 0.02)	0.02 (−0.02 to 0.06)
Diastolic blood pressure
Haematocrit (%)
Haematocrit only	0.44 (0.18 to 0.71)	0.66 (0.42 to 0.90)	0.19 (−0.16 to 0.54)
Adjusted for age	0.45 (0.19 to 0.72)	0.64 (0.40 to 0.88)	0.15 (−0.20 to 0.50)
Adjusted for age, BMI	0.36 (0.09 to 0.62)	0.51 (0.27 to 0.75)	0.11 (−0.24 to 0.46)
Adjusted for age, BMI, smoking	0.35 (0.08 to 0.61)	#	#
Haemoglobin (g/dL)
Haemoglobin only	1.36 (0.58 to 2.14)	2.25 (1.51 to 2.99)	0.90 (−0.16 to 1.96)
Adjusted for age	1.40 (0.61 to 2.19)	2.23 (1.50 to 2.96)	0.83 (−0.22 to 1.89)
Adjusted for age, BMI	1.07 (0.27 to 1.86)	1.82 (1.07 to 2.56)	0.77 (−0.31 to 1.84)
Adjusted for age, BMI, smoking	1.09 (0.30 to 1.88)	#	#
Red blood count (×10¹²/L)
Red blood count only	3.50 (1.40 to 5.60)	4.38 (2.57 to 6.20)	0.85 (−1.90 to 3.60)
Adjusted for age	3.61 (1.48 to 5.74)	4.31 (2.52 to 6.11)	0.65 (−2.10 to 3.39)
Adjusted for age, BMI	2.83 (0.71 to 4.96)	3.33 (1.53 to 5.12)	0.44 (−2.31 to 3.19)
Adjusted for age, BMI, smoking	2.83 (0.71 to 4.95)	#	#
Mean corpuscular volume (fL)
Mean corpuscular volume only	−0.03 (−0.20 to 0.14)	−0.02 (−0.16 to 0.13)	−0.00 (−0.22 to 0.22)
Platelets (×10¹²/L)
Platelets only	0.00 (−0.01 to 0.02)	0.00 (−0.01 to 0.02)	−0.00 (−0.02 to 0.02)

: BP = where V is viscosity variable; : BP = × age; : BP = × age + × BMI + × BMI²; : BP = × age + × BMI + × BMI² + × smoking; includes all interactions with sex for main effects in model. was only one female smoker hence there is no regression coefficient given for adjusting for smoking in women; ; ; .