Type of blood donor

HBsAg positive

HBsAg negative

p

Regular volunteers

8 (1%)

225 (28.3%)

-

Family

56 (7%)

308 (38.8%)

0.0000

Casual

23 (2.9%)

175 (22%)

0.0010

Total

87 (10.9%)

708 (89.1%)