Table 5.

Correlations among variables, and the reliability and validity of the research model.

Variables	Correlationsa												AVEb (>0.5)		CRc (>0.7)		Cronbach α (>.7)
	ACCd	PORe	MATf	TCg	INTh	MBi	TSj	PIk	HBl	INFm	PERn
ACC	0.792	0.686	0.643	0.582	0.581	0.501	0.382	0.598	0.412	0.550	0.456	0.628		0.761		.830
POR	0.686	0.830	0.715	0.538	0.414	0.374	0.439	0.481	0.619	0.663	0.576	0.689		0.753		.822
MAT	0.643	0.715	0.787	0.546	0.480	0.321	0.370	0.375	0.449	0.538	0.460	0.619		0.801		.870
TC	0.582	0.538	0.546	0.899	0.653	0.576	0.482	0.294	0.430	0.518	0.498	0.808		0.871		.855
INT	0.581	0.414	0.480	0.653	0.856	0.658	0.429	0.336	0.309	0.517	0.447	0.732		0.857		.881
MB	0.501	0.374	0.321	0.576	0.658	0.831	0.537	0.443	0.295	0.570	0.321	0.691		0.823		.868
TS	0.382	0.439	0.370	0.482	0.429	0.537	0.805	0.353	0.531	0.635	0.453	0.812		0.875		.866
PI	0.598	0.481	0.375	0.294	0.336	0.443	0.353	0.901	0.318	0.499	0.314	0.648		0.827		.798
HB	0.412	0.619	0.449	0.430	0.309	0.295	0.531	0.318	0.865	0.675	0.704	0.749		0.899		.925
INF	0.550	0.663	0.538	0.518	0.517	0.570	0.635	0.499	0.675	0.777	0.803	0.604		0.734		.801
PER	0.456	0.576	0.460	0.498	0.447	0.321	0.453	0.314	0.704	0.662	0.803	0.645		0.892		.931

^aThe values in the diagonal are square roots of the AVE and the off-diagonal elements are the correlation coefficients (r) among constructs.

^bAVE: average variance extracted.

^cCR: composite reliability.

^dACC: accessibility.

^ePOR: portability.

^fMAT: maturity.

^gTC: time criticality.

^hINT: interdependence.

ⁱMOB: mobility.

^jPI: personal innovativeness in information technology.

^kTS: technostress.

^lHAB: habit.

^mINF: electronic medical record infusion.

ⁿPER: performance.