Table 4.

Linear regression coefficients assessing the association between explanatory variables and reported days since last coitus among concordant couples, Liberia, Madagascar, and Namibia, 2006–09

Characteristic	Liberia	Madagascar	Namibia
Residence
Urban (r)	0.0	0.0	0.0
Rural	−0.9	−0.3	−3.9
Wealth quintile
Poorest (r)	0.0	0.0	0.0
Lower-middle	0.4	−1.3*	−9.6*
Middle	0.1	−0.8	−4.2
Upper-middle	−1.8	−2.4***	−2.3
Wealthiest	−5.2**	−2.3**	−5.7
Age
Same age (r)	0.0	0.0	0.0
Wife 3+ years older	−3.8**	−0.1	−3.0
Husband 3+ years older	0.7	1.1*	−0.1
Education
Both uneducated (r)	0.0	0.0	0.0
Wife has primary, husband has none	−4.9**	0.9	−5.6
Husband has primary, wife has none	−1.4	0.9	−2.3
Both have at least primary educationa	−1.1	1.3*	−5.1
Both have secondary or more education	−1.2	−0.1	−9.1*
Fertility preference
Both want no more children (r)	0.0	0.0	0.0
Both want another child	−0.5	−1.7***	−5.2*
Only wife wants another child	−0.3	−0.9	−5.0
Only husband wants another child	0.3	−1.3	−2.0
Constant	12.6***	8.0***	23.8***
Number of couples	(876)	(2,975)	(184)
R-squared	0.044***	0.020***	0.105***

^*Significant at p < 0.05;

^**p < 0.01;

^***p < 0.001. (r) = Reference category.

^aBoth have primary education, or one has primary and the other has higher schooling.