Table 1.

Comparison of systolic and diastolic mean blood pressure in people without hypertension in baseline study between phases 1 and 2 in terms of demographic variables

Variable	SBP		P	DBP		P
	Phase 1	Phase 2		Phase 1	Phase 2
Sex
Male	114±11	116.6±14.5	0.03	71.5±5	73.0±10	0.18
Female	110±11	114.6±16.2	<0.001	67.7±10	69.4±15.2	0.11
P	<0.001	0.02		<0.001	0.004
BMI
<25	111±11.1	112.9±13.3	0.12	67.9±10.7	68.6±13.2	0.07
25.29-29.99	112.6±11.1	116±15.7	0.012	70.6±9.6	72.6±15.2	0.16
≥30	112.6±11.5	118.6±16.9	<0.001	69.9±10.1	73.5±16.8	0.68
P	0.29	<0.001		0.046	0.002
Age
20-29	109.8±10.2	109.7±11.0	0.89	67.6±10.3	67.2±14.5	0.79
30-39	109.9±11.8	110.2±12.2	0.86	68.3±9.8	68.7±13.1	0.77
40-49	112.2±11.2	116.5±15.2	0.006	69.2±10.2	71.5±17.3	0.13
50-59	114.9±11.2	124.7±17.9	<0.001	72±10.1	75.1±16.1	0.08
60-69	118.2±8.6	122.8±13.8	0.18	72.6±9.5	78.7±12.4	0.07
≥70	116.0±10.7	124.0±17.1	0.8	75±8.5	75.0±12.7	0.99
P	<0.001	<0.001		0.004	0.006
Married
No	112±9.1	108.6±10.5	0.049	69.5±8.5	67.6±13.7	0.34
Yes	112.1±11.5	116.6±15.7	<0.001	69.5±10.4	71.5±15.6	0.012
P	0.98	<0.001		0.97	0.036
Ethnicity
Arab	111.1±11.5	113.8±14.8	0.049	69±10.0	68.9±13.8	0.34
Fars	113.2±11.3	119.2±17.1	<0.001	70.1±9.6	74.7±16.1	0.012
P	0.04	<0.001		0.22	<0.001
Family history of hypertension
No	112.3±10.7	115.0±15	0.004	69.5±10.1	70.8±15.8	0.17
Yes	111.6±12.4	117.5±15.9	<0.001	69.2±10.5	72.6±14.1	0.008
P	0.46	0.022		0.10	0.06
WC
Normal	115.85±15.9	115.4±15.8	0.99	71.67±11.37	70.8±15.8	0.17
Unmoral	120.0±16.50	120.0±16.5	0.27	72.32±13.3	72.6±14.1	0.008
P	0.027	0.003		0.58	0.06

WC=Waist circumference, SBP=Systolic blood pressure, DBP=Diastolic blood pressure, BMI=Body mass index