Retrospective Study
Copyright ©The Author(s) 2015.
World J Gastroenterol. Jun 14, 2015; 21(22): 6914-6923
Published online Jun 14, 2015. doi: 10.3748/wjg.v21.i22.6914
Table 1 Distribution of demographic and professional characteristics among respondents n (%)
CharacteristicValue1
Age (yr)
24-2765 (30)
28-3168 (32)
32-3943 (20)
40+39 (18)
Median
Sex
Male99 (47)
Female113 (53)
Racial/ethnic background
White, non-Hispanic78 (38)
Chinese or Taiwanese22 (11)
South Asian21 (10)
Other or unspecified Asian or Pacific Islander43 (21)
Black or African American17 (8)
Hispanic or Latino13 (6)
Other or mixed14 (7)
Level of training
Incoming intern63 (29)
Outgoing intern60 (27)
Senior resident26 (12)
Attending physician70 (32)
Specialty
Internal medicine88 (40)
Family medicine8 (4)
Pediatrics42 (19)
Obstetrics and gynecology10 (5)
General surgery22 (10)
Emergency medicine10 (5)
Psychiatry8 (4)
Other31 (14)
Practice setting
Academic practice170 (78)
Private practice28 (13)
Other or multiple19 (9)
Table 2 Correct responses to hepatitis B knowledge assessment
NumberPercentPercent1
Through which of the following can HBV be transmitted?8941%47%
Which blood test(s) would you order to screen for chronic hepatitis B infection?5224%20%
Which blood test(s) would you order to confirm immunity to hepatitis B after vaccination?15370%73%
Which of the following viral hepatitis infections can be prevented by immunization?16073%77%
According to California law, who is/are required to report new hepatitis B diagnoses?3114%11%
A patient has been told by a previous physician that he is a healthy hepatitis B carrier. What are the appropriate next steps, if any?2813%16%
Which of the following patient groups has the highest prevalence of chronic hepatitis B?13763%64%
Asians > Caucasians, African Americans, and Hispanics/Latinos (CORRECT RESPONSE)10749%
Which of the following is most likely to result in chronic infection with hepatitis B?10548%52%
Which of the following conditions can be caused by chronic infection with hepatitis B?17379%83%
What are the symptoms of most patients with chronic hepatitis B?13863%69%
Without proper monitoring, what is the chance of dying from chronic hepatitis B?3526%18%
Is there a cure for chronic hepatitis B?19489%91%
Is there a treatment for chronic hepatitis B?19187%89%
According to the American Association for the Study of Liver Diseases (AASLD) guidelines, which of the following are appropriate screening tests for liver cancer?6831%34%
Table 3 Physician self-reported practices n (%)
QuestionValue
Do you routinely screen asymptomatic patients for chronic hepatitis B in your practice?
Yes52 (24)
Would you screen for chronic hepatitis B in an HIV-positive individual?
Yes1208 (95)
No3 (1)
Don't know8 (4)
Would you screen for chronic hepatitis B in a 40-yr-old with a history of hemophilia?
Yes1167 (76)
No39 (18)
Don't know13 (6)
Would you screen for chronic hepatitis B in a healthy 28-yr-old man born in China?
Yes1156 (71)
No57 (26)
Don't know6 (3)
Would you screen for chronic hepatitis B in a Caucasian woman who travels frequently to Central America?
Yes71 (32)
No1133 (61)
Don't know15 (7)
Would you screen for chronic hepatitis B in a cafeteria food server during a pre-employment physical?
Yes86 (39)
No1121 (55)
Don't know12 (5)
Table 4 Distribution of responses to questions about confidence in hepatitis B knowledge n (%)
QuestionResponseValue
I am confident that I know who should be screened for chronic hepatitis B
Strongly disagree11 (5)
Disagree60 (27)
Neutral78 (36)
Agree59 (27)
Strongly agree8 (4)
Did not reply3 (1)
I am confident that I know who should be vaccinated for chronic hepatitis B
Strongly disagree7 (3)
Disagree23 (11)
Neutral52 (24)
Agree104 (47)
Strongly agree31 (14)
Did not reply3 (1)
I am confident that I know when a patient with chronic hepatitis B should be referred to a specialist
Strongly disagree5 (2)
Disagree57 (26)
Neutral72 (33)
Agree67 (31)
Strongly agree16 (7)
Did not reply2 (1)
Very poorly8 (4)
Not well65 (30)
Neutral101 (46)
Fairly well41 (19)
Very well2 (1)
Did not reply2 (1)
Table 5 Associations of training level and other characteristics with correct (compared with incorrect) responses to questions about hepatitis B knowledge and clinical practice
QuestionCharacteristicRelative risk1(95%CI)P value
Which blood test(s) would you order to screen for chronic hepatitis B infection?2
Incoming intern1.0(Reference)
Outgoing intern1.2(0.5-3.1)
Senior resident2.1(0.7-6.1)
Attending2.0(0.7-5.7)
Do you routinely screen asymptomatic patients for chronic hepatitis B in your practice? (yes vs no)
Incoming intern1.0(Reference)
Outgoing intern1.1(0.4-3.1)
Senior resident1.5(0.5-5.2)
Attending1.5(0.4-5.3)
According to California law, who is/are required to report new hepatitis B diagnoses?2
Incoming intern1.0(Reference)
Outgoing intern0.7(0.3-2.1)
Senior resident0.2(0.02-1.6)
Attending0.6(0.1-2.4)
A patient has been told by a previous physician that he is a healthy hepatitis B carrier. What are the appropriate next steps, if any?2
Incoming intern1.0(Reference)
Outgoing intern1.8(0.5-6.7)
Senior resident1.4(0.2-8.7)
Attending0.9(0.1-7.8)
Not confident in knowledge about referral for chronic hepatitis B31.0(Reference)
Confident in knowledge about referral for chronic hepatitis B36.0(2.4-15.0)0.0001
What is the relative prevalence of chronic hepatitis B in Caucasians, African Americans, Asians, and Hispanics/Latinos?2
Incoming intern1.0(Reference)
Outgoing intern0.8(0.4-1.7)
Senior resident1.8(0.7-4.6)
Attending1.2(0.5-2.9)
Which of the following is most likely to result in chronic infection with hepatitis B?2
Incoming intern1.0(Reference)
Outgoing intern2.0(1.0-4.2)
Senior resident3.3(1.2-9.0)
Attending1.9(0.7-5.0)0.080
Without proper monitoring, what is the chance of dying from chronic hepatitis B?2
Incoming intern1.0(Reference)
Outgoing intern0.8(0.3-1.9)
Senior resident0.3(0.1-1.5)
Attending0.6(0.2-2.3)
According to the American Association for the Study of Liver Diseases guidelines, which of the following are appropriate screening tests for liver cancer?2
Incoming intern1.0(Reference)
Outgoing intern3.6(1.5-8.7)
Senior resident5.6(1.9-16.4)
Attending4.8(1.6-14.9)0.005
Age (5-yr increase)0.7(0.5-0.9)0.005
Table 6 Differences in total hepatitis B knowledge scores by cohort
CohortDifference in score1(95%CI)P value
Total hepatitis b knowledge score
Incoming intern0.0(Reference)
Outgoing intern0.1(-0.9-1.2)
Senior resident21.7(0.4-3.0)0.010
Attending Physician0.9(-0.4-2.2)
Age (5-yr increase)2-0.4[-0.6-(-0.1)]0.003
Responded incorrectly to other cancer screening questions and smoking cessation practices0.0(Reference)
Responded correctly to other cancer screening questions and smoking cessation practices21.0(0.2-1.8)0.010
Age (5-yr increase)-0.4[-0.6-(-0.1)]0.003
Hepatitis b screening knowledge score
Incoming intern0.0(Reference)
Outgoing intern-0.2(-0.6-0.3)
Senior resident0.5(-0.1-1.5)
Attending0.3(-0.3-1.0)
Hepatitis b vaccination knowledge score
Incoming intern0.0(Reference)
Outgoing intern0.1(-0.8-1.2)
Senior resident0.1(0.2-2.8)
Attending0.1(-0.4-2.2)