Association between Physical Activity and Neighborhood Environment among Middle-Aged Adults in Shanghai

Table 1

Demographics of the participants in the questionnaire-based survey and accelerometer-based survey.

	Questionnaires-; based survey	Accelerometer-; based survey
Participants number	478	235
Age^a	39.8±6.29	39.6±5.64
Gender^b
Male	231 (48.3)	113 (48.1)
Female	247 (51.7)	122 (51.9)
Area^b
Suburb	231 (48.3)	117 (49.8)
Downtown	247 (51.7)	118 (50.2)
BMI^b
<18	16 (3.4)	3 (1.3)
≥18, <24	300 (63.2)	154 (66.1)
≥24, <28	127 (26.7)	61 (26.2)
28≤	32 (6.7)	15 (6.4)
Family income^b
<20,000 RMB	99 (20.8)	43 (18.5)
2–40000 RMB	150 (31.6)	74 (31.8)
40000 RMB<	226 (47.6)	116 (49.8)
Educational background^b
Primary school	18 (3.8)	8 (3.4)
Junior high school	250 (52.7)	121 (51.7)
High school	93 (19.6)	46 (19.7)
College	89 (18.8)	44 (18.8)
University and above	24 (5.1)	15 (6.4)

adata presented as means ± SD; ^bdata presented as 𝑁 (%).