A disposable, wearable article can be used for collecting a sample and performing urinalysis. The article incorporates a test port feature to simplify this function. The test port has a resealable cover that can be used to selectively expose an aperture through the backsheet of the disposable article. The test port is used to position test devices, such as urine test strips to urine collected in the disposable article.

An inkjet printing ink according to the present disclosure contains a pigment, acrylic particles, an alcohol, and water. The alcohol contains at least a trihydric alcohol. A ratio of an amount of the alcohol to a whole mass of the inkjet printing ink is 30% by mass or less. A ratio of an amount of the acrylic particles to a mass of the pigment is 5% by mass to 100% by mass. Further, the inkjet printing ink has negative skin irritation.

An inkjet printing ink according to the present disclosure contains a pigment, acrylic particles, an alcohol, and water. The alcohol contains at least a trihydric alcohol. A ratio of an amount of the alcohol to a whole mass of the inkjet printing ink is 30% by mass or less. A ratio of an amount of the acrylic particles to a mass of the pigment is 5% by mass to 100% by mass. Further, the inkjet printing ink has negative skin irritation.

A disposable, wearable article can be used for collecting a sample and performing urinalysis. The article incorporates a test port feature to simplify this function. The test port has a resealable cover that can be used to selectively expose an aperture through the backsheet of the disposable article. The test port is used to position test devices, such as urine test strips to urine collected in the disposable article.