Table 3.

Effect of ultra-processed food (UPF)-derived energy percentage during the second and third gestational trimesters on weekly gestational weight gain according to trimester, Botucatu, Brazil, 2012–2014 (n 259)

Variables	GWG during second trimester						GWG during third trimester
	Crude model			Adjusted model*			Crude model			Adjusted model*
	β	95 % CI	P	β	95 % CI	P	β	95 % CI	P	β	95 % CI	P
UPF consumption – second trimester (% energy)	–0·29	–3·61, 3·02	0·861	–1·50	–5·08, 2·08	0·409
UPF consumption – third trimester (% energy)							6·21	2·94, 9·48	<0·001	4·17	0·55, 7·79	0·024
Gestational age at the last weighing	5·75	–11·79, 23·29	0·519				–10·70	–9·95, 31·35	0·308
Age (years)	–1·44	–9·46, 6·57	0·723				–10·37	–18·48, –2·26	0·012	–3·36	–13·19, 6·47	0·501
Schooling (completed years)	13·75	–2·44, 29·95	0·096	7·04	–11·37, 25·46	0·452	17·72	1·06, 34·39	0·037	–1·58	–20·88, 17·72	0·872
Socio-economic classification	–19·80	–60·01, 20·41	0·333				–50·21	–88·75, –11·66	0·011	–41·70	–81·79, –1·62	0·042
Works outside the home	–37·18	–130·29, 55·92	0·432				–37·35	–134·11, 55·42	0·414
Lives with a partner	6·60	–97·97, 111·17	0·901				86·91	–19·21, 193·03	0·108	32·96	–75·98, 141·91	0·552
Parity	–28·74	–63·38, 5·91	0·104	–16·95	–55·23, 21·34	0·384	–67·33	–102·25, –32·42	<0·001	–42·57	–87·31, 2·18	0·062
Skin colour	–72·96	–170·12, 24·19	0·140	–78·08	–176·82, 20·67	0·121	5·30	–93·68, 104·27	0·916
Pre-gestational BMI	–13·40	–21·99, –4·80	0·002	–12·50	–21·73, –3·26	0·008	–4·85	–13·86, 4·15	0·289

GWG, gestational weight gain.

^*Cohort-adjusted multiple linear regression.