How often were you able to get an erection during sexual intercourse?
A. No sexual intercourse
B. Almost never / never
C. A few times (much less than half the time)
D. Sometimes (about half the time)
E. Most of the times (much more than half the time)
F. Almost always / always
Were you firmly erected to enter your partner's body?
A. No sexual intercourse
B. Almost never / never
C. A few times (much less than half the time)
D. Sometimes (about half the time)
E. Most of the times (much more than half the time)
F. Almost always / always
Were you able to maintain your erection throughout the sexual intercourse?
A. No sexual intercourse
B. Almost never / never
C. A few times (much less than half the time)
D. Sometimes (about half the time)
E. Most of the times (much more than half the time)
F. Almost always / always
How difficult was it to maintain your erection till the completion of sexual intercourse?
A. No sexual intercourse
B. Extremely difficult
C. Very difficult
D. Difficult
E. Slightly difficult
F. Not difficult
How often did you have a satisfied sexual intercourse?
A. No sexual intercourse
B. Almost never / never
C. A few times (much less than half the time)
D. Sometimes (about half the time)
E. Most of the times (much more than half the time)
F. Almost always / always
How do you rate your confidence that you can get and keep an erection during sexual intercourse?
A. No
B. Very low
C. Low
D. Moderate
E. High
F. Very High
Score Calculation
| Choice | A | B | C | D | E | F |
| Point | 0 | 1 | 2 | 3 | 4 | 5 |
| ED Scores | Grade |
| 1-10 | Severe |
| 11-16 | Moderate |
| 17-21 | Mid Moderate |
| 22-24 | Mild |
| 25-30 | Normal |
Score below 25 from the above 6 questions may have the erectile dysfunction problem * Based on the past 4 weeks of your sexual activities.
Source: Hong Kong Urological Association
| Grade of Hardness | Hardness Definition | Indication |
| Grade 1 | Penis is completely hard and fully rigid | Normal |
| Grade 2 | Penis is hard enough for penetration but not completely hard | Mild Moderate |
| Grade 3 | Penis is hard, but not hard enough for penetration | Moderate |
| Grade 4 | Penis is larger but not hard | Severe |
