Table 3.

Mediating effects of attitude and healthcare professionals’ intention to use mobile phone short message service and its predictors for adherence support and care of patients with tuberculosis infection in a resource-limited setting

Path	Hypothesis	Effect	β	P value	Result	Decision
PE→AT→ BI	H10	Total effect	0.025	0.643	No relationship	Not support
		Indirect effect	0.023	0.090
		Direct effect	0.003	0.982
EE→AT→ BI	H11	Total effect	0.365	0.000*	Partial mediation	Support
		Indirect effect	0.043	0.001†
		Direct effect	0.323	0.000*
SI→AT→ BI	H12	Total effect	−0.038	0.390	No relationship	Not support
		Indirect effect	0.006	0.587
		Direct effect	−0.323	0.311
FC→AT→ BI	H13	Total effect	0.136	0.005 †	Direct relationship	Not support
		Indirect effect	0.017	0.158
		Direct effect	0.119	0.012‡

β: estimate.

*Significance at p<0.001.

†Significance at p<0.01.

‡Significance at p<0.05.

ATT, attitude; BI, behavioural intention; EE, effort expectancy; FC, facilitating condition; PE, performance expectancy; SI, social influence.