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Table 3 Prevalence of hypertension and age-adjusted ORs (95% CIs) by study groups

From: High-frequency hearing loss, occupational noise exposure and hypertension: a cross-sectional study in male workers

Groups No. Resting SBP Resting DBP Hypertension No. (%) OR (95%CI)
   Mean ± SD (mm Hg) Mean ± SD (mm Hg)   
Low-hearing-loss group 274 123.2 ± 11.6 82.1 ± 8.8 91 (33.2) 1.00
Median-hearing-loss group 302 122.7 ± 12.4 82.9 ± 8.8 127 (42.1)c 1.45 (1.03-2.04)
High-hearing-loss group 214 122.9 ± 12.7 83.0 ± 9.1 93 (43.5)c 1.50 (1.03-2.18)
   p = 0.800a p = 0.444a p = 0.034b  
  1. 95%CI = 95% confidence interval; DBP = diastolic blood pressure; OR = odds ratio; SBP = systolic blood pressure; SD = standard deviation.
  2. a Kruskal-Wallis test of the difference between three groups. b Chi-square test of the difference between three groups. c Chi-square test for a significant difference (p < 0.05) compared with the low-hearing-loss group.