Table 2.

Tracking patterns^* of adolescents’ FV intake^† between 15- and 18-year follow-ups stratified by sex and assets index; 1993 Pelotas Birth Cohort, Rio Grande do Sul, Brazil, 2008–2011/12 (n 3915)

	Boys			Girls
Assets index	Overall tracking‡			Overall tracking‡
(tertile)	%	95 % CI	κ w §	%	95 % CI	κ w §
1 (lowest)	30·2	26·7, 34·2	0·14	30·8	27·5, 34·4	0·13
2	35·7	32·1, 39·6	0·24	35·4	32·0, 39·3	0·23
3 (upper)	38·6	35·0, 42·7	0·30	40·5	36·9, 44·4	0·32

FV, fruits and vegetables; κ _w, weighted kappa.

^*Tracking is adjusted for adolescents’ leisure-time physical activity, occupation and schooling at 15-year follow-up.

^†Total number of times FV consumed per day.

^‡Proportion of adolescents who remained in the same quartile in both 2008 and 2011 follow-ups at any level.

^§ κ _w coefficients measure the agreement based on quartile position; κ _w>0·2 suggests tracking.