Table 2 Linear regression analysis where anxiety/depressiveness 6 months post partum is predicted by infant feeding (block 1); infant feeding and baseline anxiety/depressiveness (block 2); infant feeding, baseline anxiety/depressiveness, and interaction terms (block 3); and infant feeding, baseline anxiety/depressiveness, interaction terms, and medical adjusting variables (block 4)*

1

Intercept (predominant breastfeeding)

−0.10

(−0.12 - -0.07)

.005

.000

Mixed breastfeeding

0.08

(0.05 - 0.11)

Bottle feeding

0.24

(0.21 - 0.28)

2

Intercept (predominant breastfeeding)

−0.05

(−0.07 - -0.03)

.315

.000

Mixed breastfeeding

0.04

(0.02 - 0.06)

Bottle feeding

0.11

(0.09 - 0.14)

Anxiety/depressiveness 30^th week of gestation†

0.56

(0.55 - 0.57)

3

Intercept (predominant breastfeeding)

−0.05

(−0.07 - -0.03)

.316

.002

Mixed breastfeeding

0.04

(0.02 - 0.07)

Bottle feeding

0.11

(0.08 - 0.14)

Anxiety/depressiveness 30^th week of gestation†

0.55

(0.53 - 0.57)

Anxiety/depressiveness 30^th week of gestation x mixed breastfeeding (interaction term)

0.00

(−0.02 - 0.02)

Anxiety/depressiveness 30^th week of gestation x bottle feeding (interaction term)

0.04

(0.01 - 0.06)

4

Intercept (predominant breastfeeding)

−0.03

(−0.06 - -0.01)

.317

.000

Mixed breastfeeding

0.04

(0.02 - 0.07)

Bottle feeding

0.10

(0.07 - 0.13)

Anxiety/depressiveness 30^th week of gestation†

0.55

(0.53 - 0.57)

Anxiety/depressiveness 30^th week of gestation x mixed breastfeeding (interaction term)

0.00

(−0.02 - 0.02)

Anxiety/depressiveness 30^th week of gestation x bottle feeding (interaction term)

0.03

(0.01 - 0.06)

Cesarean section

−0.01

(−0.04 - 0.01)

Primiparous

−0.05

(−0.06 - -0.03)

Plural Birth

0.03

(−0.03 - 0.09)

Preterm birth

0.01

(−0.03 - 0.04)

Maternal smoking

0.08

(0.05 - 0.10)