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Table 2 Trends in adiposity and blood pressure parameters in the whole population

From: Four-year trends in adiposity and its association with hypertension in serial groups of young adult university students in urban Cameroon: a time-series study

Variables Overall 2009 2010 2011 2012 p-value p-trend p year*gender
N (%) 2726 (100) 559 (20.5) 469 (17.2) 690 (25.3) 1008 (37.0)    
SBP, mmHg) 118 (12) 119 (11) 118 (11) 117 (13) 118 (13) 0.008 0.0007 0.695
DBP mmHg 70 (10) 72 (9) 72 (10) 69 (10) 70 (10) <0.0001 <0.0001 0.841
Hypertension, n (%) 172 (6.3) 33 (5.9) 26 (5.6) 36 (5.2) 77 (7.6) 0.170 0.141 0.430
BMI, kg/m2 23.1 (3.3) 23.0 (3.3) 22.9 (3.2) 23.0 (2.9) 23.5 (3.5) 0.0009 0.965 0.306
Obesity, n (%) 95 (3.5) 17 (3.0) 14 (3.0) 15 (2.2) 49 (4.9) 0.019 0.054 0.500
Overweight and obesity, n (%) 571 (21.0) 95 (17.0) 96 (20.5) 131 (19.0) 249 (24.7) 0.001 0.0005 0.832
Waist circumference, cm 76 (7) 76 (7) 75 (7) 76 (6) 76 (8) 0.095 0.975 0.170
Abdominal obesity, n (%) 73 (2.7) 12 (2.2) 10 (2.3) 11 (1.6) 40 (4.0) 0.016 0.032 0.601
Hip circumference, cm 96 (7) 96 (9) 96 (8) 94 (7) 96 (8) <0.0001 <0.0001 0.021
WHR, cm 0.79 (0.05) 0.79 (0.05) 0.78 (0.05) 0.81 (0.04) 0.79 (0.06) <0.0001 <0.0001 <0.0001
WHtR, cm 0.44 (0.05) 0.44 (0.04) 0.44 (0.04) 0.44 (0.04) 0.44 (0.05) 0.177 0.513 0.096
  1. *p-value adjusted for year and gender; Data are presented as mean (standard deviation), unless indicated otherwise; DBP diastolic blood pressure, SBP systolic blood pressure, WHR: waist-to-hip ratio, WHtR waist-to-height ratio