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Table 2 Adjusted prevalence and trend of pre-hypertension and hypertension based on JNC-VII guideline in adolescents aged 15–19: SuRFNCD 2007–2011

From: National trends of pre-hypertension and hypertension among Iranian adolescents across urban and rural areas (2007–2011)

Year 2007 2008 2009 2011 P for trend
Girls
 Urban
  Pre-hypertension 18.33 (15.91–20.75) 17.71 (15.36–20.06) 18.04 (15.55–20.52) 20.06 (16.41–23.71) 0.540
  Hypertension 8.02 (6.31–9.72) 6.98 (5.49–8.46) 6.56 (5.04–8.08) 9.06 (6.44–11.69) 0.510
 Rural
  Pre-hypertension 22.25 (19.37–25.13) 21.63 (18.76–24.50) 22.04 (19.15–24.92) 24.13 (19.74–28.52) 0.279
  Hypertension 10.35 (8.19–12.52) 9.07 (6.99–11.14) 8.53 (6.57–10.48) 11.60 (8.29–14.91) 0.425
Boys
 Urban
  Pre-hypertension 28.96 (26.39–31.54) 27.28 (24.87–29.69) 31.61 (28.83–34.39) 29.24 (24.83–33.66) 0.937
  Hypertension 12.76 (10.82–14.71) 10.81 (9.12–12.50) 12.27 (10.26–14.28) 15.04 (11.26–18.82) 0.099
 Rural
  Pre-hypertension 31.58 (28.36–34.80) 26.65 (26.59–32.71) 34.34 (31.10–37.58) 32.05 (27.03–37.07) 0.182
  Hypertension 9.95 (7.89–12.01) 8.39 (6.59–10.20) 9.53 (7.61–11.44) 11.79 (8.69–14.89) 0.502
  1. Prevalence rates were adjusted for physical activity and BMI