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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