TABLE 2—

Odds Ratios and 95% Confidence Intervals of High Blood Pressure Risks Among Different Body Mass Index Trajectory Groups: Guangdong, China, 2006–2016

	HBP During Follow-Up, HR (95% CI)			HBP at Late Adolescence, RR (95% CI)
Trajectory Group	Total	Boys	Girls	Total	Boys	Girls
Crude model
Low	0.71 (0.68, 0.74)	0.66 (0.63, 0.69)	0.74 (0.68, 0.81)	0.70 (0.61, 0.80)	0.59 (0.51, 0.69)	0.74 (0.57, 0.98)
Middle (Ref)	1	1	1	1	1	1
High	1.44 (1.38, 1.51)	1.49 (1.41, 1.57)	1.45 (1.32, 1.60)	1.58 (1.37, 1.83)	1.71 (1.42, 2.06)	1.57 (1.18, 2.09)
Very high	2.50 (2.35, 2.66)	1.96 (1.82, 2.10)	3.53 (3.10, 4.02)	3.98 (3.15, 5.03)	3.55 (2.62, 4.80)	4.44 (2.89, 6.83)
P for trend	< .001	< .001	< .001	< .001	< .001	< .001
Adjusted model
Low	0.83 (0.78, 0.89)	0.75 (0.70, 0.81)	0.73 (0.63, 0.85)	0.73 (0.64, 0.83)	0.63 (0.54, 0.74)	0.74 (0.56, 0.98)
Middle (Ref)	1	1	1	1	1	1
High	1.46 (1.36, 1.56)	1.71 (1.58, 1.86)	1.24 (1.07, 1.43)	1.51 (1.30, 1.75)	1.66 (1.38, 2.01)	1.47 (1.10, 1.96)
Very high	2.70 (2.46, 2.97)	2.33 (2.10, 2.59)	3.09 (2.53, 3.77)	3.73 (2.94, 4.73)	3.32 (2.44, 4.51)	4.20 (2.71, 6.51)
P for trend	< .001	.001	< .001	< .001	.001	< .001

Note. CI = confidence interval; HBP = high blood pressure; HR = hazard ratio; RR = risk ratio. Baseline systolic blood pressure, baseline age, and living condition (urban or rural) were adjusted in the adjusted model.