The Commission's investigation showed that work was carried on in tenement houses for factories under the most unsanitary conditions, and that the system of licensing tenements for manufacturing purposes in no way insured the work being carried on under proper conditions. Investigators found work carried on in rooms in which there were persons suffering from contagious and infectious diseases - scarlet fever, diphtheria, measles, typhoid, and tuberculosis.. . . Another great evil of tenement house manufacturing was the fact that it made legally possible the work of little children in manufacturing pursuits at home, when the law rigidly excludes them from such occupations in the factories. Children as young as five, six, and seven years of age were found doing work. One little girl, aged seven, testified that she worked until eight o'clock in the evening. Background information: This document is an excerpt from a New York state commission investigation into living and working conditions in tenement houses. These large apartment buildings in the city were known for their overcrowded and unsafe conditions.

What significant issue did the commission find among the tenement workers?

increased likelihood of injury
poor-quality products
unfair pricing and wages
high rates of disease