Secular Trends of the Impact of Overweight and Obesity on Hypertension in Yi People: Yi Migrant Study, 1996–2015

Table 4

Population attributable fraction of overweight/obesity for hypertension in Yi people, Yi Migrant Study, 1996–2015^a.

Time period	Yi people		Yi farmers		Yi migrants
	PAF, %	95% CI	PAF, %	95% CI	PAF, %	95% CI
Period 1 (1996)	27.66	13.41, 41.90	4.73	-6.52, 15.98	35.79	15.26, 56.32
Period 2 (2007–2008)	33.45	25.95, 41.03	20.10	11.45, 28.75	43.43	31.99, 54.86
Period 3 (2015)	33.26	26.79, 39.73	30.13	21.62, 38.65	35.44	25.74, 45.13

PAF: population attributable fraction; CI: confidence interval. a: all models were adjusted for age, sex, education, and smoking.