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Table 2 Descriptive socio-economic data.

From: The influence of calcium and magnesium in drinking water and diet on cardiovascular risk factors in individuals living in hard and soft water areas with differences in cardiovascular mortality

  West N = 105 East N = 102 p-value
Age years* 43.1 (6.1) 43.4 (6.4) .693
Sex (M/F)** 47/58 49/53 .636
Years living in the municipality* 35.4 (17.4) 28.2 (16.4) .002
Years using same water supply * 19.3 (11.9) 21.0 (12.3) .318
Educational level%**    .004
   Grammar school 44 42.7  
   Upper secondary school 41 24.0  
   University degree 15 33.3  
  1. * Mean (sd), Student's T-test ** Chi-square test