Table 2.

Descriptive characteristics of populations by enrolment status (from household survey, 1504 household, 2007)

Characteristics	Members	Not members	P-value
	N (%)	N (%)
Use of health services			0.000
- Did not use	53 (14.6)	281 (28.6)
- Have used	310 (85.4)	700 (71.4)
Education			0.000
- None	148 (40.7)	602 (61.3)
- At least primary school level	216 (59.3)	380 (38.7)
Place			0.000
- Nouna town	230 (63.2)	394 (40.1)
- Nouna villages	134 (36.8)	588 (59.9)
Asset ownership			0.000
- Most poor	3 (0.8)	235 (23.9)
- Second quartile	35 (9.6)	235 (23.9)
- Third quintile	85 (23.4)	198 (20.2)
- Fourth quintile	116 (31.9)	161 (16.4)
- Least poor	125 (34.3)	153 (15.6)

P-values are the level of significance on the Pearson chi-square test between enrolment and covariates. There is no difference by age or sex between members and not members.