To examine the relationship between the neighbourhood food environment and dietary intake among adolescents. Cross-sectional design using: (i) a geographic information system to assess characteristics of the neighbourhood food environment and neighbourhood socio-economic status; (ii) the modified Healthy Eating Index (HEI) to assess participants\u27 overall diet quality; and (iii) generalized linear models to examine associations between HEI and home and school food environmental correlates. Mid-sized Canadian city in Ontario, Canada. Participants Grade 7 and 8 students (n 810) at twenty-one elementary schools. Students living in neighbourhoods with a lower diversity of land-use types, compared with their higher diversity counterparts, had higher HEI scores (P \u3c 0.05). Students with more than 1 km between their home and the nearest convenience store had higher HEI scores than those living within 1 km (P \u3c 0.01). Students attending schools with a distance further than 1 km from the nearest convenience store (P \u3c 0.01) and fast-food outlet (P \u3c 0.05) had higher HEI scores than those within 1 km. Those attending schools with three or more fast-food outlets within 1 km had lower HEI scores than those attending schools with no fast-food outlet in the school surroundings (P \u3c 0.05). Close proximity to convenience stores in adolescents\u27 home environments is associated with low HEI scores. Within adolescents\u27 school environments, close proximity to convenience and fast-food outlets and a high density of fast-food outlets are associated with low HEI scores
