Table 4. Metabolic and physical parameters of normotensive, pre-hypertensive and hypertensive study participants (n = 1498). (chi-square test).

Variable		Normotension (n = 318)	Pre-hypertension (n = 670)	p*	Hypertension (n = 510)	p **
BMI (kg/m2)	<18.5	45	35	0.001	21	<0.001
	≥18.5 - 24.9	23	44		33
	≥25.0 - 29.9	23	46		31
	≥30.0 - 39.9	17	45		38
	40+	2	42		56
Blood glucose (mmol/l)	Normal	25	47	0.03	28	<0.001
	Prediabetes	16	43		41
	Diabetes	13	39		48
Total blood cholesterol (mmol/l)	Normal	24	45	0.05	31	0.003
	High	19	45		37
eGFR (ml/minute/1.73 m2)	Stage 1 (>90)	21	46	0.99	33	0.32
	Stage 2 (60 - 89)	22	46		32
	Stage 3 (59 - 30)	19	38		43
	Stage 4 (15 - 29)	17	33		50
	Stage 5 (<15)	0	0		0

Values are expressed as percentage; BMI, body mass index; eGFR, estimated glomerular filtration rate; *p-value <0.05.