Home pregnancy tests in the hands of the intended user

Figures & data

Table 1. Home pregnancy tests and their label claims.

Test	Test name	Claims
A	Clearblue Rapid Detection Pregnancy Test	Sensitivity of 25 mIU/mL and over 99% accurate from the day of the expected period
B	Suretest	Sensitivity of 25 mIU/mL and more than 99% reliable
C	Cyclotest	Sensitivity of 25 mIU/mL and over 99% accuracy
D	Testamed	Sensitivity of 20 mIU/mL and over 99% accuracy; reliable 4 days before the period is due
E	My Test	Sensitivity of 20 mIU/mL, greater than 99% reliability, and can be used from the day of missed period
F	Analysis	Sensitivity of 25 mIU/mL, over 99% reliable, and can detect pregnancy 1 day after the missed period
G	Acofar	Sensitivity of 20 mIU/mL and concentration corresponds to 2 days of pregnancy

Table 2. Percentage of volunteers scoring 1 and 2 on the Likert scale for each attribute at home.

Questions	Home pregnancy tests
	A	B	C	D	E	F	G
How EASY was the test to use?	95.9%	68.0%	75.4%	65.1%	69.9%	71.8%	83.6%
How CERTAIN were you that you had used the test correctly?	96.7%	76.0%	88.1%	76.2%	84.6%	85.5%	89.3%
How CLEAR did you think the results of the test were?	92.7%	84.0%	83.9%	69.8%	88.6%	86.3%	90.2%
How CERTAIN were you that you read the test results correctly?	95.5%	91.2%	90.7%	83.3%	94.3%	91.9%	93.4%
How HYGIENIC did you find the testing experience?	81.3%	56.8%	65.3%	59.5%	61.8%	55.6%	74.6%
Based on your experience of using it, how ACCURATE do you believe this test to be?	95.5%	86.4%	89.0%	74.6%	90.2%	87.9%	91.8%
Based on your overall experience, if you had bought this test for at-home use, how much would you TRUST the results?	93.5%	76.8%	74.6%	65.9%	82.9%	82.3%	89.3%
How much do you LIKE this test?	92.7%	42.4%	51.7%	40.5%	56.1%	56.5%	71.3%

Table 3. Percentage of volunteers scoring 1 and 2 on the Likert scale for each attribute during on-site testing.

Questions	Home pregnancy tests
	A	B	C	D	E	F	G
How CERTAIN were you that you read the test results correctly?	99.2%	87.2%	44.1%	72.2%	69.9%	85.5%	87.7%
How CLEAR did you think the test results were?	98.4%	83.2%	33.1%	54.0%	61.0%	83.1%	81.1%
How EASY did you think the test results were to read?	97.6%	75.2%	31.4%	61.1%	59.3%	81.5%	85.2%
How ACCURATE did you believe this test was?	98.8%	84.8%	50.0%	65.9%	72.4%	83.1%	86.9%
How much would you TRUST this test?	99.2%	78.4%	39.0%	50.0%	67.5%	80.6%	82.0%

Table 4. Percentage agreement between volunteer result and expected result (0 and 25 mIU/mL).

Test	Percentage agreement	95% CI
A	99.8%	98.9%, 100.0%
B	100.0%	98.5%, 100.0%
C	81.6%	77.9%, 88.0%
D	92.5%	92.1%, 97.7%
E	89.0%	85.2%, 93.3%
F	97.6%	94.8%, 99.1%
G	95.9%	93.0%, 98.3%