Table 3.

Odds ratios and 95% confidence intervals for selected values of the variables entering the interaction terms in Model 2

	OR	95% CI
Interaction: Parity and perceived infant temperament
Primipara
Very temperamental	1.00
Not temperamental	1.77	[1.35:2.33]
Multipara
Very temperamental	1.00
Not temperamental	1.12	[0.82:1.52]
Interaction: Formula-fed or breastfed at week 5 and maternal BMI
Only formula-fed
BMI 20	1.20	[0.99:1.45]
BMI 25	1.00
BMI 30	0.84	[0.69:1.01]
BMI 35	0.70	[0.48:1.03]
Formula and breastfed
BMI 20	1.28	[1.11:1.50]
BMI 25	1.00
BMI 30	0.78	[0.67:0.90]
BMI 35	0.61	[0.45:0.82)
Only breastfed
BMI 20	1.01	[0.94:1.09)
BMI 25	1.00
BMI 30	0.99	[0.91.1.07]
BMI 35	0.98	[0.84:1.14]
Interaction: Recognise cues of hunger weeks 0–5 and birth weight (BW)
Not always recognise cues of hunger
BW 3.0	1.20	[1.10:1.30]
BW 3.5	1.00
BW 4.0	0.84	[0.77:0.91]
Always recognise cues of hunger
BW 3.0	1.05	[0.95:1.16]
BW 3.5	1.00
BW 4.0	0.95	[0.86:1.05]

Note: The values of body mass index (BMI 20, 25, 30, 35) and birth weight (BW 3.0, 3.5, 4.0) are the values for which the odds ratio is calculated.