Table 1.

Total Engagement by Families in Sample

	Number	Percentage
Total families in sample	502,165	100
No systems	216,443	43
One system	171,367	34
Multisystem families	114,355	23
Two systems	67,443	59
Three systems	30,987	27
Four systems	13,803	12
Five systems	2,122	2

Source: Authors’ tabulation.