Table 3.

Final multivariable regression model of total gestational weight gain: prospective cohort of pregnant women (n 799), recruited in March–May 2011 at the National Maternity Hospital, Dublin, Republic of Ireland

Variable	B	se	P value*
BMI class
Underweight (<18·5 kg/m2)	−0·95	0·89	0·285
Normal weight (18·5–24·9 kg/m2)	Ref.	–
Overweight (25·0–29·9 kg/m2)	0·40	0·47	0·393
Obese (≥30·0 kg/m2)	−3·05	0·65	<0·001
Parity
0	Ref.	–
1	−0·97	0·42	0·021
2+	−1·60	0·51	0·002
Height
<157 cm	−2·31	0·74	0·002
157–170 cm	−0·80	0·47	0·089
>170 cm	Ref.	–
Health insurance
Yes	Ref.	–
No	−1·04	0·38	0·007
Nationality
Irish national	Ref.	–
Foreign national	1·71	0·42	<0·001
Change in amount of food eaten since pregnant
A lot less	−1·53	0·77	0·046
A little less	−0·53	0·60	0·372
About the same	Ref.	–
A little more	1·31	0·46	0·005
A lot more	2·66	0·67	<0·001
Takeaway consumption in pregnancy
Once weekly or less	Ref.	–
More than once weekly	2·20	0·82	0·007

Ref., reference category.

Model controlled for length of gestation (weeks) and the length of time (weeks) between the last measured maternal weight and delivery. Model R ²=0·23.

^* P<0·05 is indicated in bold.