Association between Age at Menarche and Hypertension among Females in Southern China: A Cross-Sectional Study

Table 2

Analysis of AAM and hypertension.

AAM		Hypertension OR (95% CI), value
		Cases	Crude	Model 1	Model 2
Continuous variable	5,102	1,495	1.13 (1.10, 1.16), <0.001	1.14 (1.10, 1.17), <0.001	1.15 (1.11, 1.19), <0.001
Categorical variables
≤13 y	869	204	1.00	1.00	1.00
14-15 y	1,749	427	1.05 (0.87, 1.27), 0.597	0.97 (0.78, 1.20), 0.765	0.95 (0.76, 1.19), 0.681
16-17 y	1,578	538	1.69 (1.40, 2.04), <0.001	1.65 (1.43, 2.02), <0.001	1.68 (1.34, 2.11), <0.001
≥18 y	906	326	1.83 (1.49, 2.25), <0.001	1.89 (1.50, 2.40), <0.001	2.01 (1.56, 2.58), <0.001
for trend	—	—	<0.001	<0.001	<0.001
≤15 y	2,618	631
16-17 y	1,578	538	1.63 (1.42, 1.87), <0.001	1.68 (1.44, 1.97), <0.001	1.74 (1.48, 2.05), <0.001
≥18 y	906	326	1.77 (1.50, 2.08), <0.001	1.94 (1.61, 2.33), <0.001	2.08 (1.71, 2.53), <0.001
for trend	—	—	<0.001	<0.001	<0.001

Model 1 included enrollment age, residence, education, and marital status for adjustment. Model 2 included enrollment age, residence, education, marital status, smoking, drinking, menopause, antihypertensive medication, physical activity, BMI, WC, BFP, VAI, BMR, HR, and sleeping duration. BMI = body mass index; BMR = basal metabolism rate; WC = waist circulation; BFP = body fat percentage; VAI = visceral adiposity index; HR = heart rate.