Table 3

Prevalence of hypertension in brine workers and non-brine workers according to various characteristics.
Characteristics
 Brine Workers
 Non-brine Workers


No.
 Hypertensive cases
 No.
 Hypertensive cases


No.
 %
No.
 %
Age <40 years
 208
 11
 5.3
 368
 33
 9.0
     40+ years
 76
 9
 11.8
 106
 25
 23.6
     Males
 238
 18
 7.6
 398
 46
 11.6
     Females
 46
 2
 4.3
 76
 12
 15.8
Illiterate
 184
 16
 8.7
 268
 38
 14.2
Literate
 100
 4
 4.0
 206
 20
 9.7
Annual income Rs.<18000
 179
 10
 5.6
 256
 33
 12.9
          >18000
 105
 10
 9.5
 218
 25
 11.5
BMI <18 Kg/m2
 109
 3
 2.8
 185
 18
 9.7
     18+ Kg/m2
 175
 17
 9.7
 289
 40
 13.8
Duration of Work <10 Years
 118
 5
 4.2
 305
 31
 10.2
          10+ Years
 166
 15
 9.0
 169
 27
 16.0
Smokers or ex-smokers
 190
 15
 7.9
 316
 43
 13.6
Non-smokers
 94
 5
 5.3
 158
 15
 9.5
Alcohol Users or ex-users
 259
 17
 6.6
 430
 55
 12.8
     Non-users
 25
 3
 12.0
 44
 3
 6.8
Tobacco chewing Yes
 217
 14
 6.5
 325
 40
 12.3
          No
 67
 6
 9.0
 149
 18
 12.1
Diet Vegetarian
 177
 15
 8.5
 321
 41
 12.8
          Mixed
 107
 5
 4.7
 153
 17
 11.1
Total Prevalence
 284
 20
 7.0
 474
 58
 12.2

Haldiya et al. Environmental Health: A Global Access Science Source 2005 4:13   doi:10.1186/1476-069X-4-13