The large differences seen between Jiamusi and Shenzhen cities did not reach statistical significance either as a crude effect (OR = 0.45 95% CI 0.16–1.23, p = 0.12) or after adjusting for age, sex, income, and education differences between the two regions (OR = 0.39, 95% CI 0.12–1.30, p = 0.13).
1
0.1200
0.1200