"a course of act" is correct and usable in written English.
You can use it to refer to a sequence of actions taken to achieve a particular goal. For example: "The president proposed a course of action that would promote economic growth."
Linear regression was used to examine factors influencing customers' WTP for an RDT, a course of ACT and a course of ACT after a positive RDT, respectively.
The geometric mean WTP for an RDT was US$0.53, US$1.82 for a course of ACT and US$2.05 for a course of ACT after a positive RDT.
A paired t-test on log transformed WTP answers was used for comparing the WTP for a course of ACT and a course of ACT after a positive RDT.
The WTP for an RDT was found to be much lower than the WTP for a course of ACT.
In addition, this study explored the WTP for a course of ACT with and without confirmation with an RDT.
All factors, with the exception of gender and education, remained independently associated with the WTP for a course of ACT in the multivariable analysis.
RDTs have been found to be cost-effective both in Nigeria and elsewhere [12] [16], and they generally cost less than a full course of ACT.
Our results suggest that a price of UGX800 for an adult course of ACT would nevertheless still ensure that almost all drug shop customers (99%) in the present survey would purchase this treatment.
In addition, the WTP for an adult course of ACT was much lower than the actual price of an ACT at the time of the study when a country-wide survey found a median price of UGX9000 (US$4.48) (O'Connell et al. 2011), while a more recent survey found a median price of US$1.92 for an adult course of ACT (Health Action International 2011).
Similarly, the average price of an adult course of ACT was UGX15000 (US$7.46) in drug shops in Mukono District at the time of the study (unpublished data), while a country-wide survey found a median price of UGX9000 (US$4.48) (O'Connell et al. 2011).
We did not identify any studies examining willingness to pay for an adult course of ACT; however, the study by Wiseman et al. found that 95% of caregivers were unwilling to pay TSH 1,500 (USD 1.15) (cost of the adult course of ACT in ADDOs) for a child's course of ACT [ 12].
