Physical Activity Patterns and Risk of Type 2 Diabetes and Metabolic Syndrome in Middle-Aged and Elderly Northern Chinese Adults

Table 3

Prevalence of physical activity levels.

Variables	Low (%)	Moderate (%)	High (%)
Total	28.6	47.3	24.1
Sex
Male	29.4	47.2	23.4
Female	27.8	47.3	24.9
	0.60	0.99	0.41
Age
40–49	31.8	41.7	26.5
50–59	29.3	44.7	26.0
60–69	26.1	53.5	20.4
70+	18.5	63.9	17.6
	0.016	<0.001	0.017
BMI
−24	26.7	47.9	25.4
24–28	30.9	47.1	22.0
28+	27.4	46.3	26.2
	0.14	0.86	0.15
WC
Female < 85	27.5	45.4	27.1
Male < 90
Female ≥ 85	29.3	48.6	22.1
Male ≥ 90
	0.36	0.16	0.009
Education
Illiteracy	26.5	46.3	27.2
Primary school	32.7	35.9	31.3
Junior high school	24.0	44.5	31.5
Senior high school	31.0	53.7	15.7
College or above	27.7	63.6	8.6
	0.018	<0.001	<0.001

WC: waist circumference; BMI: body mass index.