Table 1.

Descriptive statistics on BP by time period.

Variable/period	n	Mean ± SD (mmHg)	Range (mmHg)	p-Valuea
SBP
Suburban period	153	117.0 ± 10.1	91–146
Urban period 1	156	119.1 ± 11.4	90–154
Urban period 2	151	120.9 ± 12.1	89–156
Total	460	119.0 ± 11.3	89–156	0.010
DBP
Suburban period	153	65.8 ± 7.3	41–91
Urban period 1	156	66.2 ± 6.9	54–94
Urban period 2	151	65.9 ± 6.7	54–89
Total	460	66.0 ± 7.0	41–94	0.847
PP
Suburban period	153	51.2 ± 8.3	29–75
Urban period 1	156	52.9 ± 7.9	32–71
Urban period 2	151	55.0 ± 9.3	32–73
Total	460	53.0 ± 8.7	29–75	< 0.001
ap-Value for analysis variance for repeated measurements.