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Fig. 4 | BMC Public Health

Fig. 4

From: Long-term ambient PM2.5 exposure associated with cardiovascular risk factors in Chinese less educated population

Fig. 4

Exposure-response relationship between PM2.5 exposure and cardiovascular risk factors prevalence in population with preliminary or below education. (A) diabetes; (B) hypertension; (C) hyperlipidemia; (D) being overweight. The exposure-response relationship was calculated by generalized additive model, and further adjusted by age, sex, ethnicity, smoking status, drinking status, intensity of physical activity, diet types. Knots used in the generalized additive model was 3. P value was denoted in each panel

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