Table S2.

Averages and statistics of collagen and Ecad-Fc spread area and morphology data

	Average ± SEM			P value
Condition	30 kPa	60 kPa	Glass	30 kPa vs. 60 kPa	60 kPa vs. glass	30 kPa vs. glass
Collagen–spread area	1048 ± 72	2013 ± 124	2515 ± 127	0.002	0.03	0.0004
Collagen–aspect ratio	2.07 ± 0.15	1.57 ± 0.07	1.49 ± 0.07	0.04	n.s.	0.02
Collagen–circularity	0.50 ± 0.03	0.64 ± 0.02	0.61 ± 0.03	0.009	n.s.	0.03
Ecad-Fc–spread area	929 ± 28	1550 ± 48	2039 ± 128	0.0003	0.02	0.0001
Ecad-Fc–aspect ratio	2.62 ± 0.019	1.49 ± 0.02	1.46 ± 0.06	1.39E-06	n.s.	6.80E-05
Ecad-Fc–circularity	0.39 ± 0.03	0.59 ± 0.03	0.72 ± 0.03	0.009	0.02	0.0009

Shown is analysis corresponding with the data presented in Fig. 1. Values presented are averages and SEM calculated from three independent experiments. Statistics were determined using a Student’s t test.