Table 2.

Change in weight, BMI and waist circumference during follow-up by exposure (sweetened beverage and snack consumption) among children from the younger cohort of the Young Lives cohort study in Peru, who participated in the third (2009; considered baseline in the current analysis) and the fourth (2013; follow-up) rounds

			Crude model		Adjusted model†
Outcome	Exposure	Category*	Coefficient	95 % CI	Coefficient	95 % CI
Weight (kg)	Sweetened beverages	Up to every 2 weeks	1·61	0·77, 2·46	0·58	−0·22, 1·37
		2–6 times per week	2·44	1·65, 3·24	0·55	−0·21, 1·32
		Daily	3·93	2·19, 5·67	2·29	0·62, 3·96
	Snacks	Up to every 2 weeks	1·66	0·89, 2·43	0·46	−0·29, 1·20
		2–6 times per week	2·50	1·79, 3·22	0·97	0·26, 1·67
		Daily	3·82	2·14, 5·50	2·04	0·48, 3·60
BMI (kg/m2)	Sweetened beverages	Up to every 2 weeks	0·20	−0·10, 0·50	−0·08	−0·39, 0·24
		2–6 times per week	0·59	0·31, 0·87	0·14	−0·15, 0·43
		Daily	1·12	0·53, 1·70	0·74	0·15, 1·33
	Snacks	Up to every 2 weeks	0·20	−0·07, 0·47	−0·10	−0·38, 0·18
		2–6 times per week	0·57	0·31, 0·83	0·20	−0·08, 0·47
		Daily	1·11	0·52, 1·69	0·71	0·14, 1·28
Waist circumference (cm)	Sweetened beverages	Up to every 2 weeks	0·68	−0·11, 1·47	0·16	−0·64, 0·96
		2–6 times per week	1·64	0·87, 2·40	0·80	−0·01, 1·61
		Daily	2·40	0·64, 4·17	1·43	−0·41, 3·27
	Snacks	Up to every 2 weeks	0·66	−0·12, 1·43	−0·15	−0·95, 0·65
		2–6 times per week	1·13	0·38, 1·88	0·26	−0·52, 1·04
		Daily	1·58	−0·23, 3·38	0·85	−0·89, 2·60

Significant (P<0·05) estimates are presented in bold.

^*All categories were compared with those who ‘never’ consumed sweetened beverages/snacks.

^†Model adjusted for sex, age, socio-economic status, physical activity and mother’s BMI at baseline.