Table 1.

Summary of family characteristics.

ID	Child's age	Gender child F/M	Mother age (y)	Mother education (y)	Father age (y)	Father occupation	No. children affected	Religiona	Urban/rural (U/R)	Type of testingb
1	4y 9m	F	30	6	69	Teacher	2	C	U	D
2	3y 9m	F	22	7	29	Casual labourer	2	C	R	D
3	3y	M	28	12	45	Shopkeeper	1	C	R	D
4	5y 7m	M	40	0	50	Palm tapper	3 (2 died)	C	R	D
5	5y 6m	F	31	0	N/A: single parent		1	M	R	D
6	1y 2m	F	24	6	Not known	Bus fare collector	1	C	U	D
7	2y 10m	F	30	6	50	Plumber	1	C	U	D
8	2y 9m	M	30	12	30	Bus driver	1	N	U	D
9	1y 11m	M	30	0	43	Palm tapper	2	M	R	D
10	2y	M (twins)	25	0	Not known	Shopkeeper	2	M	U	D
11	2y 5m	F	30	0	Not known	Missing	2	C	R	P
12	1y 3m	F	39	0	39	Pastor	2	C	U	P
13	1y 8m	M	20	0	Not known	Stonemason	1	M	R	P

^aC, Christian; M, Muslim; T, traditional or other; N, none.

_bD, diagnostic; P, predictive testing.