Table 1.

Participant demographic characteristics

Infant
Age in months	Number of infants
1	2
2	3
3	4
4	3
5	8
6	10
Maternal
Age in years	Number of participants
17–19	4
20–22	5
23–25	3
26–28	12
29–31	2
32–34	2
35+	2
Parity	Number of participants
1st child	7
2nd child	1
3rd child	9
4th child	6
5th child	4
6th child	2
7th child	1