Association between serum ferritin and hypertension according to the working type in Korean men: the fifth Korean National Health and nutrition examination survey 2010–2012

Table 2 Odds ratios (95% CI) for the prevalence of hypertension according to the interaction of serum ferritin and working type

Variables	Odds ratio (95% confidence intervals)^a
Variables	Quartile 1 (≤ 66.82)	Quartile 4 (> 149.13)
Daytime workers	1.000 (ref.)	1.426 (1.066–1.906)
Shift workers	1.035 (0.680–1.576)	1.696 (1.083–2.658)

FBS fasting blood sugar, TC total cholesterol, TIBC total iron-binding capacity, BMI body mass index
^aLogistic regression analysis after adjusting for age, FBS, TC, TIBC, BMI, alcohol intake and smoking status

ISSN: 2052-4374