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. Author manuscript; available in PMC: 2019 Jul 1.
Published in final edited form as: Med Decis Making. 2018 Jul;38(5):547–561. doi: 10.1177/0272989X18770664

Table 2.

Mean Ratings on a Disagreement-Agreement Scale with Items Describing the Gist of Antibiotics Expectations, Grouped by Gist

Item short form Item full text Sample Mean (SD)
Online
(N=519)
ED Patients
(N=225)
Providers
(N=149)
Germs are Germs
 Yes against viruses Antibiotics work against viruses. −1.26 (1.88) −0.25 (2.05) −2.81 (0.60)
 No against viruses Antibiotics do NOT work against viruses. 1.25 (1.87) 0.33 (2.01) 2.74 (0.64)
 Yes against bacteria Antibiotics work against bacteria. 1.84 (1.22) 1.84 (1.19) 2.54 (0.83)
 No against bacteria Antibiotics do NOT work against bacteria. −1.76 (1.41) −1.58 (1.45) −2.40 (1.29)
 Viral can turn into bacterial Sometimes a viral illness turns into something that needs treating with an antibiotic. 0.73 (1.65) 1.08 (1.52) 1.81 (0.98)
 Viral can’t turn into bacterial A viral illness never turns into something that needs treating with an antibiotic. −0.69 (1.56) −0.78 (1.72) −2.11 (0.93)
Why Not Take a Risk? (Antibiotics Don’t Hurt)
 Don’t know about ABX, but it can’t hurt/ABX can’t hurt I don’t know if an antibiotic can make me better, but it can’t hurt to take them./It can’t hurt the patient to take antibiotics. −0.70 (1.75) −0.23 (1.87) −1.50 (1.29)
 Might not help, but better safe than sorry Antibiotics might not make (me/the patient) better, but it is better to be safe than sorry so (I/he/she) should take them. −0.57 (1.83) 0.23 (1.82) −1.56 (1.08)
 Take ABX just in case Antibiotics might not make (me/the patient) better, but (I/he/she) should take them just in case. −0.71 (1.78) −0.19 (1.90) −1.78 (1.13)
 ABX might help and can’t hurt (I/The patient) should take antibiotics because they might help and can’t hurt. −0.69 (1.74) −0.15 (1.82) −1.77 (1.04)
 It can’t hurt It can’t hurt to take antibiotics. −0.81 (1.71) −0.36 (1.88) −1.68 (1.29)
 Better safe than sorry (I/The patient) should take antibiotics because it’s better to be safe than sorry. −0.47 (1.81) 0.13 (1.87) −1.72 (1.10)
 Might as well take a chance (I am already/The patient is) sick, so (I) might as well take a chance that antibiotics will help. −0.43 (1.85) 0.30 (1.86) −1.52 (1.24)
 Better safe than sorry, so take ABX It is better to be safe than sorry, so (I/the patient) should take antibiotics. −0.48 (1.83) 0.21 (1.84) −1.56 (1.20)
 Might not work but why take a chance? An antibiotic might not work, but why take a chance on not getting better? −0.45 (1.68) 0.10 (1.81) −1.16 (1.34)
Antibiotics Don’t Help
 Might not help, so better not to take ABX Antibiotics might not make (me/the patient) better, so (I/he/she) should NOT take them. −0.16 (1.67) −0.93 (1.61) 0.84 (1.28)
 Don’t take ABX if they don’t make me better (I/The patient) should NOT take antibiotics if they might not make (me/him/her) better. 0.51 (1.73) 0.25 (1.83) 0.81 (1.40)
 ABX don’t help and can hurt (I/The patient) should NOT take antibiotics because they don't help and they can hurt. −0.61 (1.61) −1.25 (1.53) 1.07 (1.37)
 ABX might not be safe (I/The patient) should NOT take antibiotics because they might not be safe. −0.57 (1.50) −1.01 (1.53) 0.17 (1.37)
 Should NOT take a chance (I am/The patient is) already sick, but (I) should NOT take a chance on getting worse (by taking antibiotics). −0.54 (1.63) −1.12 (1.64) −0.32 (1.51)
 Better safe than sorry, so no ABX It is better to be safe than sorry, so (I/the patient) should NOT take antibiotics. −0.22 (1.70) −0.91 (1.54) 0.42 (1.36)
 Might not work so why take ABX? An antibiotic might not work, so why take one? −0.23 (1.66) −0.88 (1.66) 0.40 (1.39)
Side Effects (Antibiotics Hurt)
 Don’t know, but (I/pt) might get side effects I don't know if an antibiotic can make (me/the patient) better, but (I/he/she) might get side effects (if I take/from taking) them. 0.80 (1.46) 0.51 (1.65) 1.35 (1.09)
 Don’t know but (I/pt) won’t get side effects I don’t know if an antibiotic can make (me/the patient) better, but (I/he/she) will NOT get side effects (if I take/from taking) them. −0.93 (1.47) −0.92 (1.55) −1.74 (1.01)
 (I/Pt) might get side effects (I/The patient) might get side effects if (I/he/she) take antibiotics. 1.02 (1.41) 1.11 (1.50) 1.79 (0.81)
 (I/Pt) won’t get side effects (I/The patient) will NOT get side effects if (I/he/she) take antibiotics. −0.86 (1.36) −1.06 (1.44) −1.48 (1.02)
 ABX might have side effects Antibiotics might have harmful side effects. 0.95 (1.41) 0.93 (1.53) 1.95 (0.79)
 ABX don’t have side effects Antibiotics do NOT have harmful side effects. −1.09 (1.38) −1.15 (1.53) −2.07 (0.96)
 Don’t know about ABX, but it might hurt/ ABX could hurt pt I don’t know if an antibiotic can make (me/the patient) better, but it could hurt (the patient) to take them. 0.44 (1.70) −0.08 (1.77) 1.55 (0.90)
 It could hurt It could hurt to take antibiotics./ It could hurt the patient to take antibiotics. 0.59 (1.67) 0.06 (1.83) 1.70 (0.99)
Antibiotics Help
 Yes against germs Antibiotics work against all germs. −1.61 (1.37) −0.99 (1.78) −2.63 (0.66)
 No against germs Antibiotics only work against some germs. 1.68 (1.31) 1.30 (1.54) 2.50 (0.87)
 (I/Pt) (don’t/doesn’t) need ABX (I/The patient) will get better even if (I don’t/he/she doesn’t) take antibiotics. 0.88 (1.32) −0.11 (1.59) 1.49 (0.93)
 (I/Pt) need ABX (I/The patient) won’t get better unless (I take/he/she takes) antibiotics. 1.18 (1.46) −0.51 (1.73) −1.97 (0.95)
 I know ABX help I know an antibiotic can make (me/the patient) better −0.47 (1.68) 0.63 (1.74) −1.52 (1.12)
 I don’t know if ABX help I don’t know if an antibiotic can make (me/the patient) better. 0.78 (1.57) −0.03 (1.65) 0.28 (1.55)
 ABX will help Antibiotics will make (me/the patient) better. 0.04 (1.33) 0.74 (1.36) −1.26 (1.17)
 ABX might not help Antibiotics might not make (me/the patient) better. −1.40 (1.26) 0.52 (1.77) 1.85 (0.85)
 Symptoms go away with ABX (My/The patient’s) symptoms will only go away with antibiotics. −0.94 (1.53) −0.58 (1.72) −1.95 (0.95)
 Symptoms don’t go away with ABX (My/The patient’s) symptoms will NOT go away with antibiotics. −0.32 (1.43) −0.63 (1.52) 0.16 (1.67)
Antibiotics Should be Taken for Strep Throat
 Yes for strep Antibiotics should be taken for strep throat. 1.16 (1.50) 1.30 (1.47) 1.77 (1.48)
 No for strep Antibiotics should NOT be taken for strep throat. −1.14 (1.52) −1.24 (1.57) −1.94 (1.21)
The Doctor Doesn’t Believe Me
 Doctor doesn’t believe me/I don’t believe pt If a doctor doesn’t give me an antibiotic, the doctor doesn’t believe that I am really sick/If −1.55 (1.44) −1.44 (1.64) −0.89 (1.38)
 Doctor takes (me/pt) seriously I don't prescribe an antibiotic the patient won't think I believe that he/she is really sick. A doctor who takes my illness seriously will only give me an antibiotic if I need it./ The patient knows that I will only prescribe antibiotics if he/she needs them. 1.73 (1.43) 1.38 (1.70) 0.34 (1.52)
Going to the ER Necessitates Antibiotics
 ER means ABX If (I am/ my patient is) sick enough to go to the emergency room, (I/he/she) should get antibiotics. −0.66 (1.82) 1.03 (1.77) −2.02 (1.01)
 ER doesn’t mean ABX Just because (I am/the patient is) sick enough to go to the emergency room does NOT mean (I/he/she) should get antibiotics. 1.15 (1.62) −0.68 (1.78) 1.97 (0.98)

Note. ABX = antibiotics. Pt = Patient. SD = Standard Deviation. Each survey contained both versions of each question. Responses were recorded using a seven-point Likert scale, ranging from strongly disagree (−3) to strongly agree (+3). A source reference for each gist is given in parentheses.