Table 4 Multiple linear regression analysis of perceived milk supply (N = 237)
Variable | n | % | β | SE | Standardized β | p value |
|---|---|---|---|---|---|---|
Intercept |  |  | 89.9 | 5.37 |  | < 0.0001 |
Employment status | ||||||
 Not working | 173 | 73.0 | Reference |  |  |  |
 Working | 64 | 27.0 | −0.96 | 1.36 | −0.04 | 0.48 |
Parity | ||||||
 Primiparous | 95 | 40.1 | Reference |  |  |  |
 Multiparous | 142 | 59.9 | 0.89 | 1.21 | 0.04 | 0.46 |
Rooming-in | ||||||
 No | 86 | 36.3 | Reference |  |  |  |
 Yes | 151 | 63.7 | 1.69 | 1.25 | 0.08 | 0.18 |
Skin-to-skin contact | ||||||
 No | 71 | 30.0 | Reference |  |  |  |
 Yes | 166 | 70.0 | 3.20 | 1.31 | 0.15 | 0.02 |
Breastfeeding self-efficacy | ||||||
  ≤ 50 | 31 | 13.1 | Reference |  |  |  |
  > 50 | 206 | 86.9 | 10.78 | 1.81 | 0.37 | < 0.0001 |
Infant sucking behavior | ||||||
 Negative | 37 | 15.6 | Reference |  |  |  |
 Positive | 200 | 84.4 | 2.10 | 1.63 | 0.08 | 0.20 |