TABLE 1.
Characteristics of the Participants
| Mothers (n = 22) | M ± SD | Range |
| Age (yrs) | 25.9 ± 6.7 | 15–39 |
| Education (yrs) | 13.8 ± 3.8 | 8–21 |
| Parity | 2 ± 1.8 | 1–9 |
| Income levela | 4 ± 2 | 1–7 |
| Experience feeding (number of bottle feedings)b | 14 ± 11 | 1–47 |
| Anticipation of feeding involvementc | 80% ± 16% | 50–100% |
| Infants (n = 22) | M ± SD | Range |
| Birth weight (g) | 1,155 ± 293 | 620–1,500 |
| Weight at time of study (g) | 2,192 ± 302 | 1,692–2,720 |
| Gender (% female) | 54.5 | |
| Race (% nonwhite) | 31.8 | |
| Gestational age at birth (wks) | 28.1 ± 2.1 | 25–32 |
| Postconceptional age at study | 36.5 ± 1.6 | 33.5–40 |
| Days nipple fed | 16 ± 6.5 | 6–30 |
| Bottle feedings before study | 62 ± 27 | 11–115 |
| Days prior to discharge | 5 ± 9 | 1–38 |
| Prescribed feeding volume ingested (%) | 95% ± 12% | 60–100% |
| Days on oxygen | 42 ± 34 | 1–97 |
| Receiving oxygen at study day (%) | 31.8% | |
| % requiring O2 at 36 weeks | 36.4% |
a
1 = ≤$10,000; 2 = 10,000–11,999; 3 = 12,000–14,999; 4 = 15,000–24,999; 5 = 25,000–34,999; 6 = 35,000–49,999; 7 = ≥50,000.
b
Number of nipple feedings mother has participated in.
c
Percent of feedings mother expects to participate in postdischarge.