Table 3.

Volume of milk per expression (g) for different pumping regimes (shown in figure 2), mean difference estimates from a linear mixed model (g) (95% CI, p value)

Number of expressions per day	4	5	6	7	8	9
3	11.5 (−3 to 26.0, 0.226)	12.8 (− 1.2 to 6.9, 0.097)	17.9 (3.4 to 32.4, 0.005)	26.9 (11.9 to 41.8,<0.001)	30.1 (13.6 to 46.7,<0.001)	35.8 (14.4 to 57.3,<0.001)
4		1.4 (−7.6 to 10.4, 0.999)	6.5 (−3.8 to 16.7, 0.509)	15.4 (4.5 to 26.2,<0.001)	18.6 (5.7 to 31.4,<0.001)	24.4 (5.5 to 43.2, 0.003)
5			5.1 (−0.7 to 10.7, 0.124)	14.0 (7.2 to 20.8,<0.001)	17.2 (7.6 to 26.8,<0.001)	23.0 (6.1 to 39.8, 0.001)
6				8.9 (4.7 to 13.1,<0.001)	12.2 (4.0 to 20.3, 0.003)	17.9 (1.9 to 33.8, 0.017)
7					3.2 (−4.4 to 10.9, 0.878)	9.0 (−6.5 to 24.4, 0.609)
8						5.7 (−10.9 to 22.4, 0.950)