. 2010 May 1;88(5):342–349. doi: 10.2471/BLT.09.072728

Table 3. Results from ordinary least-squares and interval regression analysis of determinants of rural reservation wages^a among nursing and medical students in Ethiopia (2005) and Rwanda (2008).

Variable	Ordinary least-squares analysis^b				Interval regression^b
	1		2		3		4
	RC	SE	RC	SE	RC	SE	RC	SE
HELPPOOR	−0.153***	0.042	−0.179***	0.043	−0.230***	0.065	−0.236***	0.067
HHEXP	0.000	0.000	−0.000	0.000	−0.000	0.000	−0.000	0.000
TSCORE	−0.001	0.002	−0.001	0.002	−0.001	0.003	−0.001	0.003
FEMALE	0.047	0.033	0.007	0.035	−0.017	0.047	−0.038	0.049
AGE	0.000	0.004	−0.000	0.004	−0.003	0.005	−0.003	0.005
DISTANCE	–	–	−0.001	0.001	–	–	−0.001	0.001
KIGALI	–	–	−0.012	0.067	–	–	−0.022	0.082
ADDIS	–	–	0.086**	0.041	–	–	−0.044	0.070
ADVENTIST	–	–	−0.291***	0.100	–	–	−0.395***	0.129
CATHOLIC	–	–	−0.074	0.050	–	–	−0.115*	0.070
PROTESTANT	–	–	−0.074*	0.040	–	–	−0.123**	0.054
DOCTOR	0.694***	0.029	0.640***	0.033	0.710***	0.041	0.662***	0.045
R²	0.76	–	0.77	–	–	–	–	–

*P < 0.1; **P < 0.05; ***P < 0.01.

RC, regression coefficient; SE, robust standard error.

^a The dependent variable is the natural log of the reported rural reservation wage.

^b All regressions include a constant term and a dummy variable for Ethiopia.

Table 3. Results from ordinary least-squares and interval regression analysis of determinants of rural reservation wagesa among nursing and medical students in Ethiopia (2005) and Rwanda (2008).