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Table 1 Distribution of demographic and socio-economic variables among cases and controls (n = 400)

From: Risk factors for chronic liver disease in population of Central India: a case-control study from rural India

Variable Cases 200 (%) Controls 200 (%) P value
Age
 18-40 years 26 (18%) 24 (12%) > 0.05
 41-65 years 143 (72.5%) 140 (70%) 0.96
 66 years or more 31 (15.5%) 36 (18%)  
 Median age (in years) 58.5 ± 11.8 57 ± 11.7 0.95
Gender
 Male 150 (75%) 150 (75%)  
 Female 50 (25%) 50 (25%) 1
Number of material possessions
 One to two 0 (0%) 49 (12.3) 0.00001
 Three to four 19 (4.8%) 104 (26%)  
 Five to eight 111 (27.7%) 47 (11.8%)  
 More than nine 70 (17.4%) 0 (6.8%)  
Education
 Less than middle school 128 (64%) 187 (93.5%) 0.0003
 More than middle school 72 (36%) 13 (6.5%)  
Residence
 Rural 156 (78%) 200 (100%) 0.000004
 Urban 44 (22%) 00 (0.00%)