Table 1.

Data from P²C² longitudinal study for 10 randomly selected children

CASE	HIVb	Mom Smokedc	Gest. Age(wks)	Birth Weightd	Heart Pumping ability at agea:
					Birth	1	2	3	4	5	6
1	1	0	41	0	0	0	0	0	0	0	.
2	1	1	34	0	1	.	0	0	1	.	.
3	0	1	40	0	1	0	0	.	.	.	.
4	1	0	40	0	0	.	0	0	0	1	.
5	0	1	39	0	.	1	0	.	.	.	.
6	0	1	35	0	1	.	.	.	.	.	.
7	0	0	36	0	.	0	0	.	.	.	.
7	1	0	33	1	.	1	1	1	.	.	.
8	0	0	36	1	0	0	.	.	.	.	.
9	0	0	41	1	.	.	.	.	0	.	.
10	0	1	34	1	.	0	0	.	0	1	0

(. = missing)

^a1= abnormal, 0= normal;

^b1= HIV positive, 0= not HIV positive;

^c1 = mother smoked during pregnancy, 0 mother did not smoke;

^d1 = low birth-weight for age, 0 = normal birth-weight;