Table 2. Analytical results of the evaluation questionnaire (A) and number of correct answers to the eight issues raised by question type (B) concerning the ability of the 322 study participants to understand the instructions for use of the Exacto^® Test HIV (Biosynex).

The questions raising specific issues concerning the manipulation of the kit, the interpretation of test results, and the consequences of the test results were asked by the observer and the answers were closed.

A. Analytical results of the evaluation questionnaire			B. Answers to issues raised by question type
Issue raised by question type	Answers	Number (%)	Number of correct answers*	Number (%)	[95% CI]
Q1: “A capital letter is associated with each component of the kit to better identify it during the performance of self-test”	True#	303 (94.1)	0	3 (0.9)	[0.3–2.7]
	False	19 (5.9)
Q2: “The blood collection device helps to collect the blood and place it immediately into the SQUARE well of self-test”	True#	278 (86.3)	2	11 (3.4)	[1.9–6.0]
	False	44 (13.7)
Q3: “Two drops of diluent should be placed in the same well as the drop of blood”	True	157 (48.8)	3	23 (7.1)	[4.9–10.5]
	False#	165 (51.2)
Q4: “A timer (watch or mobile) to clock 10 minutes before reading the result is need”	True#	282 (87.6)	4	29 (9.0)	[6.4–12.7]
	False	40 (5.9)
Q5: “Lack of band by test results is interpreted as a negative test”	True	112 (34.8)	5	54 (16.8)	[13.3–21.5]
	False#	210 (65.2)
Q6: “Lack of control band by test results should be interpreted as an invalid test”	True#	252 (78.3)	6	54 (16.8)	[13.3–21.5]
	False	70 (21.7)
Q7: “In case of positive self-test results, a doctor should be consulted to confirm the result”	True#	268 (83.2)	7	92 (28.6)	[24.3–34.1]
	False	268 (83.2)
Q8: “A negative test result three weeks after high-risk, unprotected sexual intercourse signifies lack of contamination”	True	192 (59.6)	8	56 (17.4)	[13.9–22.1]
	False#	130 (40.4)

^# Correct answers;

* No one participant answered correctly to only one question;

Q: Question.