Table 4.

Employment status of the mothers of the cases and controls

Employment status	Cases		Controls
	Nr	%	Nr	%
Formal	11	12.4	32	18.0
Informal/Self-empl	11	12.3	19	10.6
Pension	10	11.2	14	7.9
Unemployed	54	60.7	101	56.7
Other	3	3.4	12	6.7