Table 4. Correlation coefficients and p-values (%) of the seven barrier factors p-values (%).

Barrier factor	Patient load	Operator opinion	Patient opinion	Service management	Material supply	Clinical ART skills	Chair side assist
Patient load		0.1%	0.1%	29.3%	9.9%	11.1%	50.2%
Operator opinion	0.70*		0.0%	2.6%	33.1%	6.9%	66.3%
Patient opinion	0.73**	0.77**		1.1%	46.4%	9.4%	7.5%
Service management	0.26	0.52*	0.57**		51.8%	37.1%	16.1%
Material supply	0.40	0.24	0.18	-0.16		11.3%	43.5%
Clinical ART skills	0.39	0.44	0.40	0.22	0.38		91.3%
Chair side assistance	0.17	0.11	0.42	0.43	-0.19	-0.03

Correlation coefficients

p-value: Pearson correlation test:

^*0.01<p<0.05

^**p< 0.01