Table 4

Determinants of HIVST average costs at programme level

Parameters	Model 1		Model 2		Model 3		Model 4		Model 5
Parameters	Estimate	SE	Estimate	SE	Estimate	SE	Estimate	SE	Estimate	SE
Constant	3.501***	0.125	3.428***	0.335	3.135***	0.390	2.395***	0.405	3.153***	0.437
Scale (in thousands)	−1.261***	0.250	−1.935***	0.316	−1.889***	0.319	−1.529***	0.314	−1.578***	0.291
Scale∧2 (in millions)	0.388***	0.132	0.684***	0.149	0.656***	0.150	0.492***	0.146	0.553***	0.137
Scale∧3 (in billions)	−0.036**	0.016	−0.068***	0.018	−0.064***	0.018	−0.046***	0.017	−0.056***	0.016
Campaign-style			0.364***	0.101	0.392***	0.104	0.169	0.108	0.174*	0.100
Efficiency			0.050	0.095	0.071	0.093	0.171*	0.095	−0.049	0.109
% HIVST kits distributed to men					0.533**	0.246	0.737***	0.228	0.511**	0.221
% HIVST kits distributed to people who never tested for HIV					−0.557	0.769	−1.236*	0.722	−0.097	0.748
Distance (in thousands)							1.062***	0.279	0.603**	0.292
Positivity							0.071	0.352	0.177	0.327
HTS average cost							−0.001	0.006	−0.004	0.006
Price_level (in thousands)									0.139***	0.041
No. of observations	74		74		74		74		74
R²	0.51		0.63		0.66		0.74		0.78
R² adjusted	0.49		0.60		0.62		0.69		0.74