| Qualitative Variables | ||
|
| n = 296 | % |
| Gender |
|
|
| Male | 180 | 60.8 |
| Female | 116 | 39.2 |
| Type of feeding during phototherapy |
|
|
| Exclusive breast-fed | 81 | 27.4 |
| Exclusive formula-fed | 131 | 44.3 |
| Mixed breast-fed/ formula-fed | 84 | 28.4 |
| Quantitative Variables | ||
|
| Mean ± SD | Range |
| Postnatal age (days) | 4.66 ± 1.65 | 1.36 - 7.96 |
| Birth weight (kg) | 2.41 ± 0.41 | 1.59 - 3.23 |
| Measured light irradiance (µW/cm2/nm) | 71.8 ± 11.45 | 48.9 - 83.5 |