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Table 1 Characteristics of study subjects.

From: Risk of high blood pressure in salt workers working near salt milling plants: A cross-sectional and interventional study

Characteristics Brine workers (n = 284) Non-brine workers (n = 474) p value
Age (Years)
   Males 31.8 ± 9.8 (n = 238) 29.2 ± 10.0 (n = 398) <0.01*
   Females 35.1 ± 10.9 (N = 46) 36.5 ± 10.5 (N = 76) 0.49†
   Both Sexes 32.3 ± 10.0 30.4 ± 10.4 0.01*
Gender M/F (%) 83.8/16.2 84.0/16.0 0.97 ‡
Literacy (%) 35.2 43.5 0.03 ‡
Income (Rs. per anum) 17760.9 ± 12858.7 19684.5 ± 13761.4 0.06†
Smokers (%) 33.8 35.9 0.25 ‡
Alcohol users (%) 10.6 11.8 0.17 ‡
BMI Kg/m2 18.9 ± 2.2 18.7 ± 2.5 0.28†
Vegetarians (%) 62.3 67.7 0.15 ‡
Duration of working in salt industry (Years) 11.4 ± 7.2 8.7 ± 6.9 <0.01*
  1. *Difference significant; Student's t-test
  2. † Difference not significant; Student's t-test
  3. ‡ Difference not significant; Chi Square test