The effect of the street environment on two types of essential physical activity in industrial neighborhoods from the perspective of public health: a study from the Harbin low-income population health survey, China

Table 3 Interviewees’ access to self reports

	High Frequency Street	Low Frequency Street
Average number of questionnaires collected in the street	9	6–7
Total number of valid questionnaires received	180	35

ISSN: 1471-2458