Table 4.

Observed distribution of cross-class friendships and degree constrained null model results

	Program 1			Program 2
	Low-SES 10 [14%]	Middle-SES 32 [46%]	High-SES 27 [39%]	Low-SES 39 [57%]	Middle-SES 14 [21%]	High-SES 15 [22%]
Lower SES	35% ( +) **	51%	14% (-) **	68%	19%	13% (-) **
Middle-SES	13%	46%	41%	47%	30% ( +) *	23% ( +) *
High-SES	7% (-) **	49%	44%	42%	26%	32%
	Program 3			Program 4
	Low-SES 21 (45%)	Middle-SES 13 (28%)	High-SES 13 (28%)	Low-SES 22 (56%)	Middle-SES 14 (36%)	High-SES 3 (8%)
Low-SES	51%	36%	13% (-) *	55%	40%	5%
Middle-SES	39%	36%	25%	60%	32%	8%
High-SES	25%	41%	33% ( +) *	50%	44%	6%